Slawomir Mejnartowicz, MD
Geriatric Medicine (Internal Medicine) Physician · New Haven, CT
Slawomir Mejnartowicz, MD is a geriatric medicine (internal medicine) physician with a practice address in New Haven, Connecticut, and NPI 1265489033, issued on May 27, 2006. Check the license (Connecticut 044146, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Slawomir Mejnartowicz
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 044146 CT
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lock Street, New Haven, CT 06520
- Phone
- (203) 432-0076
- Enumerated
- May 27, 2006
- Record last updated
- Apr 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 432-7289
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 104 in Connecticut → Look up another NPI →
Also registered at 55 Lock Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Aquila, PAPhysician Assistant1164463469
- David Arendt, ODOptometrist1497788764
- Thomas Brady, PA-CPhysician Assistant1447287826
- Joan Cho, MDEndocrinology, Diabetes & Metabolism Physician1942242490
- Elizabeth Cole, CNM, RNAdvanced Practice Midwife1306873161
- Christine Colton, MDDiagnostic Radiology Physician1942287396
Verify Slawomir Mejnartowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 044146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,493 Medicare Part D claims for 502 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 13 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium254 claims
- Atorvastatin Calcium187 claims
- Simvastatin183 claims
- Amlodipine Besylate180 claims
- Lisinopril172 claims
- Levothyroxine Sodium170 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Slawomir Mejnartowicz among 104 geriatric medicine (internal medicine) physician records in Connecticut
Slawomir Mejnartowicz, MD is one of 104 geriatric medicine (internal medicine) physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Connecticut
There are 104 geriatric medicine (internal medicine) physician records in Connecticut.
All 104 in Connecticut → Every provider in New Haven → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Brienne Miner, M.D.New Haven, CT 065201942443171
- Joseph Agostini, MDNew Haven, CT 065191104832146
- Leen Bakkali, MDNew Haven, CT 065191629261193
- Hsiao-Ying Chin, M.D.New Haven, CT 065191598080384
- Jesse Chua-Reyes, M.D.New Haven, CT 065191669473724
- Leo Cooney, MDNew Haven, CT 065191992787287
- Margaret Drickamer, M.D.New Haven, CT 065191851393573
- Terri Fried, MDNew Haven, CT 065191902889835
Common questions
What is Slawomir Mejnartowicz, MD's NPI number?
Slawomir Mejnartowicz, MD's National Provider Identifier (NPI) is 1265489033, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Slawomir Mejnartowicz, MD located?
The NPPES record lists a practice address at 55 Lock Street, New Haven, CT, 06520. Phone: (203) 432-0076. Providers update this record themselves, so call before visiting.
How can I verify Slawomir Mejnartowicz, MD's license?
NPPES lists Connecticut license number 044146, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Slawomir Mejnartowicz, MD prescribe under Medicare Part D?
In 2024, Slawomir Mejnartowicz, MD had 3,493 Medicare Part D claims for 502 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Slawomir Mejnartowicz, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.