Jennifer Sophie Mammen, M.D.
Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD
Jennifer Sophie Mammen, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Baltimore, Maryland, and NPI 1982742219, issued on Feb 1, 2007. Check the license (Maryland D66867, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jennifer Sophie Mammen
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- D66867 MD
T3876 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1830 E Monument St, Baltimore, MD 21287
- Phone
- (410) 955-3663
- Enumerated
- Feb 1, 2007
- Record last updated
- Jan 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (410) 955-8172
- Medicaid ID
- 027769000 MD
- Medicare enrollment
- Enrolled (PECOS I20100113000565); may accept Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Also registered at 1830 E Monument St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Akwasi Aduboffour, MDInternal Medicine Physician1649974643
- Tracy Agee, ADULT NPNurse Practitioner1881657567
- Venkata Akshintala, M.D.Gastroenterology Physician1528486594
- Alanood Alqahtani, M.DInternal Medicine Physician1174810022
- Brian Baker, M.D.Emergency Medicine Physician1902942808
- Rebecca Becker, PA-CPhysician Assistant1447894803
Verify Jennifer Sophie Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D66867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
632 Medicare Part D claims for 143 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium201 claims
- Methimazole114 claims
- Synthroid92 claims
- Hydrocortisone72 claims
- Liothyronine Sodium42 claims
- Desmopressin Acetate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Sophie Mammen among 314 endocrinology, diabetes & metabolism physician records in Maryland
Jennifer Sophie Mammen, M.D. is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2004 · median 2003 among the 193 with a school on file
- Record last updated2010 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Baltimore → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Douglas Ball, M.D.Baltimore, MD 212871952366007
- Todd Brown, M.D.Baltimore, MD 212871780642264
- Rachel Chong, M.D.Baltimore, MD 212871346291291
- David Cooper, M.D.Baltimore, MD 212871932159480
- Adrian Dobs, M.D.Baltimore, MD 212871639126667
- Thomas Donner, M.D.Baltimore, MD 212871659329977
- Sherita Golden, M.D.Baltimore, MD 212871346294972
- Hylton Joffe, M.D., M.M.SC.Baltimore, MD 212871912010620
Common questions
What is Jennifer Sophie Mammen, M.D.'s NPI number?
Jennifer Sophie Mammen, M.D.'s National Provider Identifier (NPI) is 1982742219, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Sophie Mammen, M.D. located?
The NPPES record lists a practice address at 1830 E Monument St, Baltimore, MD, 21287. Phone: (410) 955-3663. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Sophie Mammen, M.D.'s license?
NPPES lists Maryland license number D66867, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennifer Sophie Mammen, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Sophie Mammen, M.D. had 632 Medicare Part D claims for 143 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Jennifer Sophie Mammen, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.