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Marc Nelson, MD
NPI 1922628593 · Emergency Medicine Physician · Baltimore, MD
Marc Nelson, MD is a Emergency Medicine Physician provider in Baltimore, MD (NPI 1922628593).
Provider details
- NPI number
- 1922628593
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D20353 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
400 E Pratt St Fl 8
Baltimore, MD 21202-3180
Phone: (443) 726-2551
Street-level locationGet directions
Mailing address
4409 Falls Bridge Dr Apt E
Baltimore, MD 21211-1369
Registry dates
- Enumerated
- 2020-04-23
- Last updated
- 2020-04-23
- Certified
- 2020-04-23
Frequently asked questions
- What is Marc Nelson's NPI number?
- Marc Nelson's National Provider Identifier (NPI) is 1922628593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Nelson's specialty?
- Marc Nelson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Nelson located?
- Marc Nelson's practice location on file with NPPES is 400 E Pratt St Fl 8, Baltimore, MD 21202-3180.
- What is Marc Nelson's phone number?
- The practice phone number listed in the NPPES registry for Marc Nelson is (443) 726-2551.
- Is Marc Nelson's NPI active?
- Yes — Marc Nelson's NPI (1922628593) is active in the NPPES registry as of the last update on 2020-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.