Diana Nilsen, MD
NPI 1437194560 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Nilsen, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1437194560).
Provider details
- NPI number
- 1437194560
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1836651 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2024-03-11
- Certified
- 2024-03-11
Frequently asked questions
- What is Diana Nilsen's NPI number?
- Diana Nilsen's National Provider Identifier (NPI) is 1437194560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Nilsen's specialty?
- Diana Nilsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Nilsen located?
- Diana Nilsen's practice location on file with NPPES is 295 Flatbush Avenue Ext Fl 4, Brooklyn, NY 11201-3001.
- What is Diana Nilsen's phone number?
- The practice phone number listed in the NPPES registry for Diana Nilsen is (718) 249-1468.
- Does Diana Nilsen accept Medicare?
- Diana Nilsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Nilsen's NPI active?
- Yes — Diana Nilsen's NPI (1437194560) is active in the NPPES registry as of the last update on 2024-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.