Neil Porter, M.D.
Specialist · Baltimore, MD
Neil Porter, M.D. is a specialist with a practice address in Baltimore, Maryland, and NPI 1386742872, issued on Sep 20, 2006. Check the license (Maryland D46426, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Neil Porter
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- D46426 MD
Self-reported in NPPES; status is on the state search - Practice location
- 16 S Eutaw St, Baltimore, MD 21201
- Phone
- (410) 328-4323
- Enumerated
- Sep 20, 2006
- Record last updated
- Mar 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (410) 328-1149
- Medicare enrollment
- Enrolled (PECOS I20110222000379); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 16 S Eutaw St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Neil Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D46426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average specialist in 2024
931 Medicare Part D claims for 123 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Gabapentin92 claims
- Gamunex-C64 claims
- Privigen63 claims
- Prednisone62 claims
- Mycophenolate Mofetil61 claims
- Gammagard Liquid58 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: $284.05
7 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- University OF Maryland Neurology Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neil Porter among 938 specialist records in Maryland
Neil Porter, M.D. is one of 938 specialist records with a practice address in Maryland. 36% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 39% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1990 · median 1989 among the 220 with a school on file
- Record last updated2012 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Maryland
There are 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Baltimore → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Ravi Anandakrishnan, M.D.Baltimore, MD 212011912972522
- Brian BermanBaltimore, MD 212011124061247
- Michelle Duell, CRNABaltimore, MD 212011982604773
- Camellus Ezeugwu, M.D.Baltimore, MD 212011194720110
- Bartley Griffith, M.D.Baltimore, MD 212011104865856
- Miles Harrison, M.D.Baltimore, MD 212011467424911
- Anwar Khokhar, MD PABaltimore, MD 212011407822927
- Lixing LaoBaltimore, MD 212011215976287
Common questions
What is Neil Porter, M.D.'s NPI number?
Neil Porter, M.D.'s National Provider Identifier (NPI) is 1386742872, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Neil Porter, M.D. located?
The NPPES record lists a practice address at 16 S Eutaw St, Baltimore, MD, 21201. Phone: (410) 328-4323. Providers update this record themselves, so call before visiting.
How can I verify Neil Porter, M.D.'s license?
NPPES lists Maryland license number D46426, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Neil Porter, M.D. prescribe under Medicare Part D?
In 2024, Neil Porter, M.D. had 931 Medicare Part D claims for 123 beneficiaries; the average among specialist prescribers was 1,380. 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.