Jenna S. Mammen
Expertise in
10
conditions

Dr. Jenna S. Mammen

Endocrinology
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 4, Bayview Medical Offices, Level 01 (G), Clinic 4, 
Baltimore, MD 
Offers Telehealth

Expertise in
10
conditions
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 4, Bayview Medical Offices, Level 01 (G), Clinic 4, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Jennifer Mammen, M.D., Ph.D., Assistant Professor of Medicine, is a member the Division of Endocrinology, Diabetes and Metabolism. Dr. Mammen practices general endocrinology with a focus on thyroid, adrenal and pituitary disorders. She is actively engaged in research on hormonal function and aging.

Dr. Mammen is highly rated in 10 conditions, according to our data. Her top areas of expertise are Hyperthyroidism, Hypothyroidism, Thyroid Storm, Graves Disease, and Hormone Replacement Therapy (HRT).

Her clinical research consists of co-authoring 69 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Johns Hopkins Bloomberg School Of Public Health, PhD, 2004
Residency
Johns Hopkins University School of Medicine, Medicine, 2006
Specialties
Endocrinology
Licenses
Internal Medicine in MD
Fellowships
Johns Hopkins University School of Medicine, Endocrinology, 2010
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
French
Gender
Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 4, Bayview Medical Offices, Level 01 (G), Clinic 4, Baltimore, MD 21224
Call: 410-955-9270
Other Locations
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
10751 Falls Road, Falls Concourse STE 412, Lutherville, MD 21093
Call: 410-955-9270

Additional Areas of Focus

Dr. Mammen 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.

Hypoparathyroidism
Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)

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

Technology Enabled Asthma Management System (TEAMS) Pilot Study
Technology Enabled Asthma Management System (TEAMS) Pilot Study
Enrollment Status: Completed
Publish Date: March 18, 2020
Intervention Type: Behavioral
Study Phase: Not Applicable

69 Total Publications

Do cognitive tests capture symptoms that matter to people with Huntington's disease?
Do cognitive tests capture symptoms that matter to people with Huntington's disease?
Journal: Scientific reports
Published: July 24, 2025
View All 69 Publications
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Expertise in
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601 North Caroline Street, Floor 7, Floor 7, 
Baltimore, MD 
 (3.5 miles away)
410-955-9270
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Dr. Douglas Ball is an associate professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in oncology. His areas of clinical expertise include diagnostic radiology, endocrine oncology, thyroid cancer and thyroid diseases. Dr. Ball earned his M.D. from the George Washington University School of Medicine. He completed his residency at the University of Pittsburgh-Presbyterian University Hospital and performed a fellowship in endocrinology and metabolism at Johns Hopkins. His research interests include medullary thyroid cancer, differentiated thyroid cancer and anaplastic thyroid cancer. Dr. Ball is highly rated in 20 conditions, according to our data. His top areas of expertise are Medullary Thyroid Carcinoma, Thyroid Cancer, Anaplastic Thyroid Cancer, Papillary Thyroid Cancer, and Thyroidectomy.

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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. Mammen's expertise for a condition
ConditionClose
    • Distinguished
    • Hyperthyroidism
      Dr. Mammen is
      Distinguished
      . Learn about Hyperthyroidism.
      See more Hyperthyroidism experts
    • Advanced
    • Addison's Disease
      Dr. Mammen is
      Advanced
      . Learn about Addison's Disease.
      See more Addison's Disease experts
    • Follicular Thyroid Cancer
      Dr. Mammen is
      Advanced
      . Learn about Follicular Thyroid Cancer.
      See more Follicular Thyroid Cancer experts
    • Graves Disease
      Dr. Mammen is
      Advanced
      . Learn about Graves Disease.
      See more Graves Disease experts
    • Hypothyroidism
      Dr. Mammen is
      Advanced
      . Learn about Hypothyroidism.
      See more Hypothyroidism experts
    • Secondary Adrenal Insufficiency
      Dr. Mammen is
      Advanced
      . Learn about Secondary Adrenal Insufficiency.
      See more Secondary Adrenal Insufficiency experts
    • Thyroid Cancer
      Dr. Mammen is
      Advanced
      . Learn about Thyroid Cancer.
      See more Thyroid Cancer experts
    View All 9 Advanced Conditions
    • Experienced
    • Acromegaly
      Dr. Mammen is
      Experienced
      . Learn about Acromegaly.
      See more Acromegaly experts
    • Anaplastic Thyroid Cancer
      Dr. Mammen is
      Experienced
      . Learn about Anaplastic Thyroid Cancer.
      See more Anaplastic Thyroid Cancer experts
    • Deafness Hypogonadism Syndrome
      Dr. Mammen is
      Experienced
      . Learn about Deafness Hypogonadism Syndrome.
      See more Deafness Hypogonadism Syndrome experts
    • Diabetes Insipidus (DI)
      Dr. Mammen is
      Experienced
      . Learn about Diabetes Insipidus (DI).
      See more Diabetes Insipidus (DI) experts
    • Emphysema
      Dr. Mammen is
      Experienced
      . Learn about Emphysema.
      See more Emphysema experts
    • Empty Sella Syndrome
      Dr. Mammen is
      Experienced
      . Learn about Empty Sella Syndrome.
      See more Empty Sella Syndrome experts
    View All 39 Experienced Conditions
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