Anna Zimmerman, M.D.
Internal Medicine Physician · West Haven, CT
Anna Zimmerman, M.D. is an internal medicine physician with a practice address in West Haven, Connecticut, and NPI 1942689682, issued on May 27, 2015. Check the license (Connecticut 60300, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Anna Zimmerman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 60300 CT
Self-reported in NPPES; status is on the state search - Practice location
- 950 Campbell Ave Ste 11, West Haven, CT 06516
- Phone
- (203) 932-5711
- Enumerated
- May 27, 2015
- Record last updated
- Jun 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180710002209); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Verify Anna Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 60300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
200 Medicare Part D claims for 44 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Tramadol Hcl38 claims
- Atorvastatin Calcium21 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).
Bills Medicare through 2 group practices
- Cornell Scott Hill Health CorporationNew Haven, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Zimmerman among 2,623 internal medicine physician records in Connecticut
Anna Zimmerman, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 1,646 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 internal medicine physician records list a practice address in West Haven
They are 84 of the 1,356 NPPES records with a practice address in West Haven, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in West Haven → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Horatiu Balas, M.D.West Haven, CT 065161720084320
- Christine Cheng, MDWest Haven, CT 065161598753980
- Mark Drabinski, M.D.West Haven, CT 065161811992902
- Benedict Fernando, M.D.West Haven, CT 065161932105624
- Glen Gechlik, MDWest Haven, CT 065161710972393
- Jurgen Holleck, M.D.West Haven, CT 065161811964257
- Avlin Imaeda, MDWest Haven, CT 065161851375612
- Laurence Knoll, MDWest Haven, CT 065161003886649
Common questions
What is Anna Zimmerman, M.D.'s NPI number?
Anna Zimmerman, M.D.'s National Provider Identifier (NPI) is 1942689682, issued on May 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Anna Zimmerman, M.D. located?
The NPPES record lists a practice address at 950 Campbell Ave Ste 11, West Haven, CT, 06516. Phone: (203) 932-5711. Providers update this record themselves, so call before visiting.
How can I verify Anna Zimmerman, M.D.'s license?
NPPES lists Connecticut license number 60300, 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 Anna Zimmerman, M.D. prescribe under Medicare Part D?
In 2024, Anna Zimmerman, M.D. had 200 Medicare Part D claims for 44 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Anna Zimmerman, M.D.'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.