Willis Medical Services, P.C.
NPI 1548421456 · Geriatric Medicine (Family Medicine) Physician · Brooklyn, NY
Willis Medical Services, P.C. is a Geriatric Medicine (Family Medicine) Physician organization in Brooklyn, NY (NPI 1548421456).
Provider details
- NPI number
- 1548421456
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Aleksandr Martirosov, President(718) 234-1212
- License
- 209027 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2008-06-23
- Last updated
- 2008-06-23
Frequently asked questions
- What is Willis Medical Services, P.C.'s NPI number?
- Willis Medical Services, P.C.'s National Provider Identifier (NPI) is 1548421456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willis Medical Services, P.C.?
- Willis Medical Services, P.C. is classified in the NPPES registry as Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Willis Medical Services, P.C. located?
- Willis Medical Services, P.C.'s practice location on file with NPPES is 7724 New Utrecht Ave, Brooklyn, NY 11214-1014.
- What is Willis Medical Services, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Willis Medical Services, P.C. is (718) 234-1212.
- Who is the authorized official for Willis Medical Services, P.C.?
- The authorized official listed on Willis Medical Services, P.C.'s NPPES record is Aleksandr Martirosov, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willis Medical Services, P.C.'s NPI active?
- Yes — Willis Medical Services, P.C.'s NPI (1548421456) is active in the NPPES registry as of the last update on 2008-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.