73 Toxicology Testing Specialists in District of Columbia

Updated November 2026How we check doctors

73 doctors in District of Columbia Closest first Back to the list

Pins show each doctor's main office. Gold pins are in District of Columbia, navy pins are nearby.

Terri McGuire, PA-C

Family Medicine physician assistantConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
  • Adolescent care
  • Transgender hormone management
  • Integrative care

Michael J. Grady, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.01 review
Concierge Choice Physicians · Washington, DC
Medical school Georgetown University School of Medicine
Training Internal Medicine, Naval Medical Center
Photo of Lisa Kaufman, MD

Lisa Kaufman, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.02 reviews
Castle Connolly Private Health Partners · Washington, DC
Graduate school Master's degree in physiology
Training George Washington University Hospital, Washington, D.C.
  • Wellness and lifestyle medicine
  • Illness prevention
Photo of Alan Greenlee, MD

Alan Greenlee, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.02 reviews
Castle Connolly Private Health Partners · Washington, DC
Medical school George Washington University School of Medicine and Health Services
Training The George Washington University Medical Center
Photo of Jean Ann Beaton, MD

Jean Ann Beaton, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.03 reviews
Castle Connolly Private Health Partners · Washington, DC
Medical school Mount Sinai School of Medicine
Training NewYork-Presbyterian/Weill Cornell Medical Center
  • Diet and lifestyle planning
  • Plant-based nutrition
  • Diet ID diet assessment

Christopher Magliulo, DO

Internal Medicine physicianConcierge
Rated 5.0 out of 55.012 reviews
One Medical · Washington, DC
Medical school Lake Erie College of Osteopathic Medicine
  • Diet and nutrition
  • Healthy lifestyle changes
  • Preventive care and screening

Sofia Fiske, PA-C

Family Medicine physician assistantConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
  • IUD insertion
  • Prevention, diet and exercise
  • Patients of all ages

Alani Gregory, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.012 reviews
One Medical · Washington, DC
  • Health education
  • Chronic disease prevention
  • Chronic disease management

Deborah Grorud, MD

Family Medicine physicianConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
Medical school University of Massachusetts Medical School
Training Greater Lawrence Family Health Center
  • Chronic condition management
  • Women's health issues
  • Hypertension

James Coulter, MD

Family Medicine physicianConcierge
Rated 5.0 out of 55.012 reviews
One Medical · Washington, DC
Medical school Eastern Virginia Medical School
Training VCU-Fairfax Family Practice
  • Adolescent care
  • Adult care

Mikel Anne Hofmann, MD

Family Medicine physicianDPC
Rated 5.0 out of 55.03 reviews
CuraCapitol · Washington, DC
Medical school The Florida State University
Training Georgetown University/Providence Hospital Family Medicine Residency Program (2012)
  • Adult and pediatric care
  • Women's health
  • Long-term continuity of care

Daphne Gellerson, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.024 reviews
One Medical · Washington, DC
Medical school University of Maryland School of Medicine
  • Adult care
  • Mental health
  • Women's health

Ariel Frank, NP

Family Medicine nurse practitionerConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
  • Women's health
  • LGBTQ+ care
  • HIV prevention and PrEP

John Snyder, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.02 reviews
One Medical · Washington, DC
Training Internal medicine, Brown University Residency Program
  • LGBT health issues
  • Adult care

Jillian Noyes, MD

Family Medicine physicianConcierge
Rated 5.0 out of 55.012 reviews
One Medical · Washington, DC
Medical school Thomas Jefferson Medical School (Jefferson Medical College)
Photo of William Condrell, MD

William Condrell, MD

Internal Medicine physicianConcierge
Condrell Primary Care · Washington, DC
Medical school Georgetown University School of Medicine
Training Internal medicine, Georgetown University Medical Center

Daniel Garfinkel, MD

Family Medicine physicianConcierge
Rated 5.0 out of 55.010 reviews
One Medical · Washington, DC
Medical school VCU
Training Fairfax Family Practice Center, Medical College of Virginia

Marie Eugenie Concepcion, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.02 reviews
One Medical · Washington, DC
Medical school University of Santo Tomas
Training NYC Health + Hospitals, Queens Hospital Center
  • Adult medicine
  • Internal medicine
  • Transgender hormone initiation

Lindsay Sher, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
Training Georgetown University
  • Mental health
  • Wellness
  • Complex health concerns

William Narracci, DO

Family Medicine physicianConcierge
Rated 5.0 out of 55.012 reviews
One Medical · Washington, DC
Medical school Des Moines University College of Osteopathic Medicine
Training Georgetown/Providence Family Medicine residency program
  • Adolescent medicine
  • LGBT health care

Amy Stulman, NP

Family Medicine nurse practitionerConcierge
Rated 5.0 out of 55.01 review
One Medical · Washington, DC
  • LGBTQ care
  • Care for older adults
  • Preventive care

Alan Morrison, DO

Internal Medicine physicianConcierge
Rated 5.0 out of 55.01 review
Dr. Alan Morrison · Washington, DC
Medical school Des Moines University
Training Internal Medicine, Johns Hopkins University/Sinai Hospital
  • Internal medicine
  • Primary care
  • Adult care
Photo of Adrienne LaFleur, MD

Adrienne LaFleur, MD

Family Medicine physicianConcierge
Complete Concierge Care · Washington, DC
Medical school Wright State University Boonshoft School of Medicine
Training Family and Community Medicine, University of Maryland Medical Center
  • General primary care
  • Women's health
  • Perimenopause and menopause management
Photo of Allison Hockman, DO

Allison Hockman, DO

Family Medicine physicianConcierge
Complete Concierge Care · Washington, DC
Medical school University of New England College of Osteopathic Medicine
Training University of Maryland Medical Center (Chief Resident, final year)
  • Primary care
  • Women's health
  • Menopause management
Photo of Ana Paunovic, MD

Ana Paunovic, MD

Family Medicine physicianConcierge
Complete Concierge Care · Washington, DC
Medical school Louisiana State University
Training University of Maryland
  • Adult care
  • Women's health
  • Eating disorders

James T. Williams, MD

Family Medicine physicianConcierge
Rated 5.0 out of 55.01 review
Complete Concierge Care · Washington, DC
Medical school Medical College of Virginia (now Virginia Commonwealth University)
Photo of Christian H. LeFevre, MD

Christian H. LeFevre, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.01 review
MDVIP · Washington, DC
Training Internal Medicine, The Washington Hospital Center
  • Same-day and next-day appointments
  • After-hours phone access
Photo of Helene C. Freeman, MD

Helene C. Freeman, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.01 review
MDVIP · Washington, DC
Medical school Hahnemann University (now Drexel University College of Medicine)
Training Internal Medicine, Georgetown University Hospital
Photo of Collin D. Cullen, MD

Collin D. Cullen, MD

Internal Medicine physicianConcierge
Rated 5.0 out of 55.02 reviews
MDVIP · Washington, DC
Medical school Georgetown University School of Medicine
Training Internal medicine, Geisinger Medical Center, Danville, Pennsylvania
  • Same- or next-day appointments
  • After-hours phone access
  • Weekend phone access

Christopher Duke, MD

Internal Medicine physicianConcierge
CloseKnit · Washington, DC
Medical school George Washington University
Training Internal Medicine, Pennsylvania State University
  • Chronic disease management
  • Preventive care and wellness
  • Post-hospital care

Shalini Sitzmann, DO

Internal Medicine physicianDPC
DC Primary Care · Washington, DC
Medical school Texas College of Osteopathic Medicine
Training Internal Medicine, Washington Hospital Center
  • Patient education
  • Disease prevention
  • Nutrition and fitness

Allen Greenlee, MD

Internal Medicine physicianConcierge
Dupont Private Health · Washington, DC
Medical school George Washington University School of Medicine and Health Services (1982)
Training Primary Care/Internal Medicine, The George Washington University Medical Center
Photo of Erin J. Bagshaw, NP

Erin J. Bagshaw, NP

Family Medicine nurse practitionerDPC
Northwest Nurse Practitioner Associates · Washington, DC
Graduate school George Mason/George Washington University collaborative program

Compare toxicology testing specialists in District of Columbia

Same order as the list above. A comparison, not a ranking.

DoctorTypeEducation and trainingReviews
Christopher Saj, PA-CConcierge · Family Medicine physician assistant 5.0 (1)
Terri McGuire, PA-CConcierge · Family Medicine physician assistant 5.0 (1)
Michael J. Grady, MDConcierge · Internal Medicine physicianInternal Medicine, Naval Medical Center 5.0 (1)
Lisa Kaufman, MDConcierge · Internal Medicine physicianGeorge Washington University Hospital, Washington, D.C. 5.0 (2)
Alan Greenlee, MDConcierge · Internal Medicine physicianThe George Washington University Medical Center 5.0 (2)
Jean Ann Beaton, MDConcierge · Internal Medicine physicianNewYork-Presbyterian/Weill Cornell Medical Center 5.0 (3)
Kristin E. Thomas, MDConcierge · Internal Medicine 5.0 (5)
Anoa Gibson-Hunter, PA-CConcierge · Family Medicine 5.0 (1)
Stephanie Rush, DOConcierge · Family Medicine 5.0 (12)
Kimberly Nieves, NPConcierge · Family Medicine nurse practitioner 5.0 (1)
Amanda Sultani, PA-CConcierge · Family Medicine physician assistant 5.0 (8)
Lisa Olin, MDConcierge · Internal Medicine 5.0 (7)
Michael Goldstein, MDConcierge · Internal Medicine physician 5.0 (7)
Casey O'Bryan, FNPConcierge · Family Medicine 5.0 (1)
Christopher Magliulo, DOConcierge · Internal Medicine physicianLake Erie College of Osteopathic Medicine 5.0 (12)
Elizabeth Gwilym, PA-CConcierge · Family Medicine physician assistant 5.0 (7)
Kate Komis, MDConcierge · Internal Medicine physician 5.0 (2)
Peter Kim, MDConcierge · Family Medicine 4.7 (14)
Sofia Fiske, PA-CConcierge · Family Medicine physician assistant 5.0 (1)
Alani Gregory, MDConcierge · Internal Medicine physician 5.0 (12)
Elizabeth Gannon, DOConcierge · Family Medicine physician 5.0 (13)
Sarah Katkhouda, FNP-CConcierge · Family Medicine 5.0 (9)
Alicia Buchwalter, MDConcierge · Internal Medicine physician 5.0 (5)
Kelly Thelin, PA-CConcierge · Family Medicine physician assistant 5.0 (5)
Patricia Evans, MDConcierge · Family Medicine physician 5.0 (3)
Deborah Grorud, MDConcierge · Family Medicine physicianGreater Lawrence Family Health Center 5.0 (1)
Rachel Garcia, FNP-BCConcierge · Family Medicine nurse practitioner 5.0 (1)
James Coulter, MDConcierge · Family Medicine physicianVCU-Fairfax Family Practice 5.0 (12)
Lauren Stover, PA-CConcierge · Family Medicine physician assistant 5.0 (8)
Rebecca Roth, NPConcierge · Family Medicine 5.0 (10)
Melanie Cruze, PA-CConcierge · Family Medicine physician assistant 5.0 (2)
Mikel Anne Hofmann, MDDPC · Family Medicine physicianGeorgetown University/Providence Hospital Family Medicine Residency Program (2012) 5.0 (3)
Allison Coulter, MDConcierge · Family Medicine 5.0 (13)
Daphne Gellerson, MDConcierge · Internal Medicine physicianUniversity of Maryland School of Medicine 5.0 (24)
Ariel Frank, NPConcierge · Family Medicine nurse practitioner 5.0 (1)
John Snyder, MDConcierge · Internal Medicine physicianInternal medicine, Brown University Residency Program 5.0 (2)
Emily Burnworth, PA-CConcierge · Family Medicine
Jillian Noyes, MDConcierge · Family Medicine physicianThomas Jefferson Medical School (Jefferson Medical College) 5.0 (12)
Meghan Jacobs, PA-CConcierge · Family Medicine 5.0 (1)
Hannah Tough, NPConcierge · Family Medicine 5.0 (1)
Jennifer Barnwell, NPConcierge · Family Medicine nurse practitioner 5.0 (10)
Kim Colvin, PAConcierge · Family Medicine 5.0 (11)
William Condrell, MDConcierge · Internal Medicine physicianInternal medicine, Georgetown University Medical Center
Daniel Garfinkel, MDConcierge · Family Medicine physicianFairfax Family Practice Center, Medical College of Virginia 5.0 (10)
Nathaniel Madsen, PA-CConcierge · Family Medicine physician assistant 5.0 (1)
Lara Fife, FNP-BCConcierge · Family Medicine nurse practitioner 5.0 (1)
Marie Eugenie Concepcion, MDConcierge · Internal Medicine physicianNYC Health + Hospitals, Queens Hospital Center 5.0 (2)
John E. Yerg, MDConcierge · Internal Medicine 5.0 (2)
Nandini Ganesh, MDConcierge · Internal Medicine 5.0 (1)
Lewis Pleasants, MDConcierge · Internal Medicine physician 5.0 (7)
Ream Akkeh, NPConcierge · Family Medicine nurse practitioner 5.0 (8)
Ray Mooney, PA-CConcierge · Family Medicine 5.0 (11)
Lindsay Sher, MDConcierge · Internal Medicine physicianGeorgetown University 5.0 (1)
Nyeesha Thompson, NPConcierge · Family Medicine nurse practitioner 5.0 (1)
William Narracci, DOConcierge · Family Medicine physicianGeorgetown/Providence Family Medicine residency program 5.0 (12)
Amy Stulman, NPConcierge · Family Medicine nurse practitioner 5.0 (1)
Shobhna Shukla, NPConcierge · Family Medicine nurse practitioner 5.0 (2)
Alan Morrison, DOConcierge · Internal Medicine physicianInternal Medicine, Johns Hopkins University/Sinai Hospital 5.0 (1)
Adrienne LaFleur, MDConcierge · Family Medicine physicianFamily and Community Medicine, University of Maryland Medical Center
Allison Hockman, DOConcierge · Family Medicine physicianUniversity of Maryland Medical Center (Chief Resident, final year)
Ana Paunovic, MDConcierge · Family Medicine physicianUniversity of Maryland
Eileen T. O'Grady, PhDDPC · Family Medicine nurse practitioner
Gary H. Miller, MDConcierge · Internal Medicine physician 5.0 (3)
Mike Lopoukhine, DOConcierge · Family Medicine physician 5.0 (1)
John Tabacco, MDConcierge · Internal Medicine 5.0 (2)
James T. Williams, MDConcierge · Family Medicine physicianMedical College of Virginia (now Virginia Commonwealth University) 5.0 (1)
Christian H. LeFevre, MDConcierge · Internal Medicine physicianInternal Medicine, The Washington Hospital Center 5.0 (1)
Helene C. Freeman, MDConcierge · Internal Medicine physicianInternal Medicine, Georgetown University Hospital 5.0 (1)
Collin D. Cullen, MDConcierge · Internal Medicine physicianInternal medicine, Geisinger Medical Center, Danville, Pennsylvania 5.0 (2)
Christopher Duke, MDConcierge · Internal Medicine physicianInternal Medicine, Pennsylvania State University
Shalini Sitzmann, DODPC · Internal Medicine physicianInternal Medicine, Washington Hospital Center
Allen Greenlee, MDConcierge · Internal Medicine physicianPrimary Care/Internal Medicine, The George Washington University Medical Center
Erin J. Bagshaw, NPDPC · Family Medicine nurse practitionerGeorge Mason/George Washington University collaborative program

Questions about toxicology testing specialists in District of Columbia

How many toxicology testing specialists are in District of Columbia?

FindMyDirectDoctor lists 73 toxicology testing specialists in District of Columbia. We last checked this list in November 2026.

Which doctors offer telehealth?

44 of the 73 doctors list telehealth visits. Each profile says which visits are offered.

Are these doctors board certified?

We confirmed board certification for 29 doctors on this list. Each profile shows the board and the specialty.

How many of these doctors publish their fees?

4 of the 73 doctors have a fee we confirmed on the practice's own website. The fee is on each of their profiles.

What do patients say about them?

63 of the 73 doctors have patient reviews on FindMyDirectDoctor, 319 reviews in total. Each tile shows the doctor's rating and review count.

Do these doctors take insurance?

It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.