James Segars
Experienced in Vitamin D Deficiency

Dr. James Segars

Reproductive Medicine | Obstetrics and Gynecology
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
Lutherville, MD 

Experienced in Vitamin D Deficiency
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
Lutherville, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. James Segars is director of the Division of Reproductive Science and Women’s Health Research and a professor in the Johns Hopkins Department of Gynecology and Obstetrics. He leads the Howard W. and Georgeanna Seegar Jones Laboratory of Reproductive Sciences and Women's Health Research, where he and his team focus on endometriosis, uterine fibroids, and reproductive and ovarian disorders. Dr. Segars received his undergraduate degree from Duke University and earned his M.D. from Duke University School of Medicine. He completed his residency in obstetrics and gynecology and a clinical fellowship in reproductive endocrinology at Vanderbilt University. Dr. Segars performed a postdoctoral fellowship at the Laboratory of Molecular Growth Regulation at the National Institute of Child Health and Human Development. He joined the Johns Hopkins faculty in 2015. Before coming to Johns Hopkins, Dr. Segars was head of the Unit on Reproductive Endocrinology and Infertility at the National Institute of Child Health and Human Development and a professor in the Department of Obstetrics and Gynecology at the Uniformed Services University of the Health Sciences. Dr. Segars has published more than 160 peer-reviewed research articles and serves on the editorial boards of Reproductive Sciences, Molecular Human Reproduction, Seminars in Reproductive Medicine, and Fertility and Sterility.

Dr. Segars is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Uterine Fibroids, Infertility, Endometriosis, Hysterectomy, and Intrauterine Device Insertion.

His clinical research consists of co-authoring 167 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article in the study of Vitamin D Deficiency.

Residency
Vanderbilt University Medical Center, Obstetrics and Gynecology, 1987
Specialties
Reproductive Medicine
Obstetrics and Gynecology
Licenses
Obstetrics & Gynecology in MD
Board Certifications
American Board Of Obstetrics And Gynecology
Fellowships
Vanderbilt University Medical Center, Reproductive Endocrinology & Infertility, 1989
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 2 Less Insurance Carriers -

Locations

Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
Floor 4, Lutherville, MD 21093
Call: 410-847-3835

Additional Areas of Focus

Dr. Segars has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Uterine Fibroids
Endometriosis

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


1 Clinical Trials

Pre-IVF Treatment With a GnRH Antagonist in Women With Endometriosis - A Prospective Clinical Trial
Pre-IVF Treatment With a GnRH Antagonist in Women With Endometriosis - A Prospective Clinical Trial
Enrollment Status: Completed
Publish Date: June 04, 2025
Intervention Type: Drug, Other
Study Drug: Elagolix
Study Phase: Phase 3

167 Total Publications

The Association Between Adenomyotic Abnormal Bleeding and Prevalence of Bacterial Vaginosis.
The Association Between Adenomyotic Abnormal Bleeding and Prevalence of Bacterial Vaginosis.
Journal: Journal of women's health (2002)
Published: July 01, 2025
View All 167 Publications
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Segars's expertise for a condition
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    • Distinguished
    • Infertility
      Dr. Segars is
      Distinguished
      . Learn about Infertility.
      See more Infertility experts
    • Uterine Fibroids
      Dr. Segars is
      Distinguished
      . Learn about Uterine Fibroids.
      See more Uterine Fibroids experts
    • Advanced
    • Adenomyosis
      Dr. Segars is
      Advanced
      . Learn about Adenomyosis.
      See more Adenomyosis experts
    • Endometriosis
      Dr. Segars is
      Advanced
      . Learn about Endometriosis.
      See more Endometriosis experts
    • Experienced
    • Achalasia Microcephaly Syndrome
      Dr. Segars is
      Experienced
      . Learn about Achalasia Microcephaly Syndrome.
      See more Achalasia Microcephaly Syndrome experts
    • Eclampsia
      Dr. Segars is
      Experienced
      . Learn about Eclampsia.
      See more Eclampsia experts
    • Endometrial Cancer
      Dr. Segars is
      Experienced
      . Learn about Endometrial Cancer.
      See more Endometrial Cancer experts
    • HELLP Syndrome
      Dr. Segars is
      Experienced
      . Learn about HELLP Syndrome.
      See more HELLP Syndrome experts
    • Hysterectomy
      Dr. Segars is
      Experienced
      . Learn about Hysterectomy.
      See more Hysterectomy experts
    • Intersex
      Dr. Segars is
      Experienced
      . Learn about Intersex.
      See more Intersex experts
    View All 23 Experienced Conditions
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