Andrew Mammen, M.D.
Neurology Physician · Baltimore, MD
Andrew Mammen, M.D. is a neurology physician with a practice address in Baltimore, Maryland, and NPI 1619923786, issued on May 26, 2006. Check the license (Maryland D61931, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Andrew Mammen
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- D61931 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-5624
- Enumerated
- May 26, 2006
- Record last updated
- Feb 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 410422600 MD
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 526 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D61931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average neurology physician in 2024
255 Medicare Part D claims for 21 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Privigen73 claims
- Prednisone33 claims
- Sodium Chloride24 claims
- Gamunex-C20 claims
- Methotrexate20 claims
- Mycophenolate Mofetil20 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.
Industry payments in 2024: $89.52
1 payment: food and beverage; the largest payer was Ucb, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Mammen among 526 neurology physician records in Maryland
Andrew Mammen, M.D. is one of 526 neurology physician records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Maryland
There are 526 neurology physician records in Maryland.
All 526 in Maryland → Every provider in Baltimore → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Charlene Gamaldo, M.D.Baltimore, MD 212241447200571
- Peter Kaplan, M.D.Baltimore, MD 212241720029010
- Sanjay Keswani, M.D.Baltimore, MD 212241043254311
- Doris Leung, M.D.Baltimore, MD 212241104013184
- Rafael Llinas, M.D.Baltimore, MD 212241437191145
- Elisabeth Marsh, M.D.Baltimore, MD 212241942412911
- Milap Nowrangi, M.D.Baltimore, MD 212241902065410
- Aruna Rao, M.D.Baltimore, MD 212241497795926
Common questions
What is Andrew Mammen, M.D.'s NPI number?
Andrew Mammen, M.D.'s National Provider Identifier (NPI) is 1619923786, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Mammen, M.D. located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-5624. Providers update this record themselves, so call before visiting.
How can I verify Andrew Mammen, M.D.'s license?
NPPES lists Maryland license number D61931, 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 Andrew Mammen, M.D. prescribe under Medicare Part D?
In 2024, Andrew Mammen, M.D. had 255 Medicare Part D claims for 21 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.