Stephen Martin, MD
NPI 1528357399 · Obstetrics & Gynecology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Martin, MD is a Obstetrics & Gynecology Physician provider in Baltimore, MD (NPI 1528357399).
Provider details
- NPI number
- 1528357399
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0079410 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$139 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 600 North Wolfe StreetBaltimore, MD 21287Phone: (410) 955-6700
Registry dates
- Enumerated
- 2011-04-01
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Stephen Martin's NPI number?
- Stephen Martin's National Provider Identifier (NPI) is 1528357399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Martin's specialty?
- Stephen Martin is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Martin located?
- Stephen Martin's practice location on file with NPPES is 2700 Remington Ave Ste 2000, Baltimore, MD 21211.
- What is Stephen Martin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Martin is (667) 312-2450.
- Does Stephen Martin accept Medicare?
- Stephen Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Martin's NPI active?
- Yes — Stephen Martin's NPI (1528357399) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.