Jennifer McInnes Ritzau, MD
Geriatric Medicine (Family Medicine) Physician · Providence, RI
Jennifer McInnes Ritzau, MD is a geriatric medicine (family medicine) physician with a practice address in Providence, Rhode Island, and NPI 1508863432, issued on Jul 7, 2005. Check the license (Rhode Island MD11338, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Jennifer McInnes Ritzau
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License numbers
- MD11338 RI
272741 MA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Chalkstone Ave, Providence, RI 02908
- Phone
- (401) 621-6464
- Enumerated
- Jul 7, 2005
- Record last updated
- Jul 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (401) 751-3985
- Medicaid ID
- 7050186 RI
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 10 in Rhode Island → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer McInnes Ritzau 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 MD11338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
79 Medicare Part D claims for 42 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of 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.
Jennifer McInnes Ritzau among 10 geriatric medicine (family medicine) physician records in Rhode Island
Jennifer McInnes Ritzau, MD is one of 10 geriatric medicine (family medicine) physician records with a practice address in Rhode Island. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2019 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Rhode Island
There are 10 geriatric medicine (family medicine) physician records in Rhode Island.
All 10 in Rhode Island → Every provider in Providence → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Stefan Gravenstein, MDProvidence, RI 029031447224191
- John Stoukides, MDEast Providence, RI 029141639176357
- Nadia Mujahid, MDRiverside, RI 029151982803359
- Nishay Tariq, MDCranston, RI 029201720644909
- Cynthia Holzer, MDWarwick, RI 028881770580458
- Kadesha Collins-Fletcher, M.D.Warwick, RI 028861851639702
- Lisa Bob, M.D.Pawtucket, RI 028601598721656
- John Murphy, MDPawtucket, RI 028601336189406
Common questions
What is Jennifer McInnes Ritzau, MD's NPI number?
Jennifer McInnes Ritzau, MD's National Provider Identifier (NPI) is 1508863432, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer McInnes Ritzau, MD located?
The NPPES record lists a practice address at 825 Chalkstone Ave, Providence, RI, 02908. Phone: (401) 621-6464. Providers update this record themselves, so call before visiting.
How can I verify Jennifer McInnes Ritzau, MD's license?
NPPES lists Rhode Island license number MD11338, 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 Jennifer McInnes Ritzau, MD prescribe under Medicare Part D?
In 2024, Jennifer McInnes Ritzau, MD had 79 Medicare Part D claims for 42 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.