Cara R. Zimmerman, MD
Internal Medicine Physician · Woonsocket, RI
Cara R. Zimmerman, MD is an internal medicine physician with a practice address in Woonsocket, Rhode Island, and NPI 1265924955, issued on May 30, 2018. Check the license (Rhode Island MD17556, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Cara R. Zimmerman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD17556 RI
1021779 MA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Clinton St, Woonsocket, RI 02895
- Phone
- (401) 767-4100
- Enumerated
- May 30, 2018
- Record last updated
- Oct 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250306002447); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 450 Clinton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roberto Baca, DNP, ARNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1669808473
- Kristen Bates, FNPFamily Nurse Practitioner1942974076
Verify Cara R. Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD17556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average internal medicine physician in 2024
3,243 Medicare Part D claims for 149 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 368 claims were for opioids.
Most prescribed
- Oxycodone Hcl201 claims
- Atorvastatin Calcium151 claims
- Buprenorphine-Naloxone145 claims
- Albuterol Sulfate Hfa132 claims
- Ibuprofen129 claims
- Gabapentin121 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.
Bills Medicare through 2 group practices
- Stanley Street Treatment And Resources, IncFall River, MA
- Thundermist Health CenterWoonsocket, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cara R. Zimmerman among 1,033 internal medicine physician records in Rhode Island
Cara R. Zimmerman, MD is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.
- NPI issued2018 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · median 2006 among the 590 with a school on file
- Record last updated2025 · 48% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Woonsocket
They are 24 of the 1,112 NPPES records with a practice address in Woonsocket, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Woonsocket → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Irfan Ahmad, M.D.Woonsocket, RI 028951063460426
- Paul Alexandrov, M.D.Woonsocket, RI 028951215358510
- Saman Ali, M.D.Woonsocket, RI 028951730414863
- Stanley Balon, M.D.Woonsocket, RI 028951003860172
- Troyen Brennan, M.D.Woonsocket, RI 028951174686265
- Glenn Fort, MDWoonsocket, RI 028951114900024
- Jibran Khan, M.D.Woonsocket, RI 028951902803935
- Catherine Kigonya, M.DWoonsocket, RI 028951760632483
Common questions
What is Cara R. Zimmerman, MD's NPI number?
Cara R. Zimmerman, MD's National Provider Identifier (NPI) is 1265924955, issued on May 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Cara R. Zimmerman, MD located?
The NPPES record lists a practice address at 450 Clinton St, Woonsocket, RI, 02895. Phone: (401) 767-4100. Providers update this record themselves, so call before visiting.
How can I verify Cara R. Zimmerman, MD's license?
NPPES lists Rhode Island license number MD17556, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cara R. Zimmerman, MD prescribe under Medicare Part D?
In 2024, Cara R. Zimmerman, MD had 3,243 Medicare Part D claims for 149 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.