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Martin Passen, M.D.
NPI 1093708877 · Internal Medicine Physician · Baltimore, MD
Martin Passen, M.D. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1093708877).
Provider details
- NPI number
- 1093708877
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0042561 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
307 S Eaton St Ste a
Baltimore, MD 21224-2525
Phone: (410) 337-8446
Street-level locationGet directions
Mailing address
307 S Eaton St Ste a
Baltimore, MD 21224-2525
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2025-06-21
- Certified
- 2025-06-21
Frequently asked questions
- What is Martin Passen's NPI number?
- Martin Passen's National Provider Identifier (NPI) is 1093708877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Passen's specialty?
- Martin Passen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Passen located?
- Martin Passen's practice location on file with NPPES is 307 S Eaton St Ste a, Baltimore, MD 21224-2525.
- What is Martin Passen's phone number?
- The practice phone number listed in the NPPES registry for Martin Passen is (410) 337-8446.
- Is Martin Passen's NPI active?
- Yes — Martin Passen's NPI (1093708877) is active in the NPPES registry as of the last update on 2025-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.