Slawomir Mejnartowicz, MD
NPI 1265489033 · Geriatric Medicine (Internal Medicine) Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Slawomir Mejnartowicz, MD is a Geriatric Medicine (Internal Medicine) Physician provider in New Haven, CT (NPI 1265489033).
Provider details
- NPI number
- 1265489033
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 044146 (CT)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 254 | 80 |
| Atorvastatin Calcium | 187 | 69 |
| Simvastatin | 183 | 60 |
| Amlodipine Besylate | 180 | 61 |
| Lisinopril | 172 | 56 |
| Levothyroxine Sodium | 170 | 51 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2011-04-13
Frequently asked questions
- What is Slawomir Mejnartowicz's NPI number?
- Slawomir Mejnartowicz's National Provider Identifier (NPI) is 1265489033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Slawomir Mejnartowicz's specialty?
- Slawomir Mejnartowicz is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Slawomir Mejnartowicz located?
- Slawomir Mejnartowicz's practice location on file with NPPES is 55 Lock Street, New Haven, CT 06520-8237.
- What is Slawomir Mejnartowicz's phone number?
- The practice phone number listed in the NPPES registry for Slawomir Mejnartowicz is (203) 432-0076.
- Does Slawomir Mejnartowicz accept Medicare?
- Slawomir Mejnartowicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Slawomir Mejnartowicz's NPI active?
- Yes — Slawomir Mejnartowicz's NPI (1265489033) is active in the NPPES registry as of the last update on 2011-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.