Dr. Kim L. Thornton, MD

Concierge OBGYN physician, Waltham, MA

Boston IVF

5.0 (3 reviews)

Dr. Thornton is a Concierge OBGYN physician and reproductive endocrinologist at Everleap Fertility, formerly Boston IVF.

130 2nd Ave, Waltham, MA 02451

At a glance

Board certification

Obstetrics and gynecology, and reproductive endocrinology and infertility

Practice role

Physician Partner, Everleap Fertility

Hospital role

Division Director, Reproductive Endocrinology and Infertility, Beth Israel Deaconess Medical Center

Facts on this page last checked November 2026. How we check doctors

About Dr. Thornton

Dr. Thornton received her medical degree from Case Western Reserve School of Medicine. She completed her residency in obstetrics and gynecology at Wayne State University School of Medicine. Her fellowship in reproductive endocrinology and infertility was at Yale School of Medicine.

She is double board-certified in obstetrics and gynecology and in reproductive endocrinology and infertility. At Everleap Fertility, formerly Boston IVF, she is a Physician Partner and reproductive endocrinologist. She cares for patients across all areas of infertility treatment and family-building care.

She directs the reproductive endocrinology and infertility division at Beth Israel Deaconess Medical Center. She is also an assistant professor in the obstetrics, gynecology and reproductive biology department at Harvard Medical School. She was elected to the Board of Directors of the American Society for Reproductive Medicine in 2022.

She is also a member of the ASRM task force on diversity, equality and inclusion.

Membership and fees

Fees are not published. Ask the practice.

Services

Infertility treatment Family-building care

What reproductive endocrinology and infertility doctors commonly treat

Education and credentials

Degree

Medical school

Case Western Reserve School of Medicine

Residency

Obstetrics and gynecology, Wayne State University School of Medicine

Fellowship

Reproductive endocrinology and infertility, Yale School of Medicine

Board certification

Obstetrics and gynecology, and reproductive endocrinology and infertility

Professional memberships

Fellow, American College of Obstetricians and Gynecologists

License

Massachusetts

Board actions

Good standing (checked Nov 2026) None on record Verify with the Massachusetts Board of Registration in Medicine

NPI

1992742191

Hospital and practice affiliations

Physician Partner, Everleap Fertility (formerly Boston IVF)

Elected to the ASRM Board of Directors in 2022

Member of the ASRM Diversity, Equality, and Inclusion Task Force

Location

130 2nd Ave, Waltham, MA 02451

Boston IVF practice page

Directions

Recognition and research

Publications

Co-authored "Pursuit of pregnancy by lesbian women: an opportunity to create best practice" (F S Rep, 2021).

Co-authored "Fertility treatment outcomes in transgender men with a history of testosterone therapy" (F S Rep, 2023).

Co-authored "The complexity of addressing racial and ethnic disparities" (Fertil Steril, 2023).

Patient reviews

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3 reviews

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Write a review

Rated 5 out of 5

She is quite direct

"She was also quite direct, telling me what I needed to hear rather than what I wanted to hear."

FMDD UserSep 2022

Rated 5 out of 5

She's exactly who we need!

"Dr. Kim Thornton is very straightforward, and with time being of the essence, she's exactly who we need!"

FMDD UserAug 2022

Rated 5 out of 5

I didn't feel like a number.

"She showed interest in my life outside of treatment, so I didn't feel like a number."

FMDD UserJun 2022

Questions patients ask

Is Dr. Thornton board certified?

Dr. Thornton is double board-certified in obstetrics and gynecology and in reproductive endocrinology and infertility.

Where did Dr. Thornton train?

Dr. Thornton received her medical degree from Case Western Reserve School of Medicine. She completed her residency at Wayne State University School of Medicine and a fellowship at Yale School of Medicine.