Rubens Ribeiro, M.D.
Internal Medicine Physician · Chelsea, MI
Rubens Ribeiro, M.D. is an internal medicine physician with a practice address in Chelsea, Michigan, and NPI 1396935367, issued on Jul 26, 2007. Check the license (Michigan 4301090048, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Rubens Ribeiro
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301090048 MI
Self-reported in NPPES; status is on the state search - Practice location
- 775 S Main St, Chelsea, MI 48118
- Phone
- (734) 593-6000
- Enumerated
- Jul 26, 2007
- Record last updated
- Apr 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101220000639); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 775 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Aagenas, PTPhysical Therapist1215402680
- Latasha Allen, OTRPhysical Rehabilitation Occupational Therapist1851867949
- James Anderson, LLPClinical Social Worker1205000783
- Anne Apaza, CRNACertified Registered Nurse Anesthetist1639116106
- Judith Ashin, LMSWClinical Social Worker1134304355
- Robert Ayotte, P.A.Physician Assistant1184679748
Verify Rubens Ribeiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301090048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
357 Medicare Part D claims for 203 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 33 claims were for opioids.
Most prescribed
- Cefuroxime37 claims
- Prednisone35 claims
- Cephalexin15 claims
- Oxycodone Hcl14 claims
- Hydrocodone-Acetaminophen13 claims
- Azithromycin12 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 one group practice
- Iha Health Services CorporationYpsilanti, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rubens Ribeiro among 5,735 internal medicine physician records in Michigan
Rubens Ribeiro, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2006 among the 3,564 with a school on file
- Record last updated2018 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Chelsea
They are 8 of the 500 NPPES records with a practice address in Chelsea, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Chelsea → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shan Ansari, M.D.Chelsea, MI 481181720108152
- Sarah BurChelsea, MI 481181063730190
- Mark Grenquist, DOChelsea, MI 481181942300454
- Diane Howlin, M.D.Chelsea, MI 481181417964552
- Lynn Kriengkrairut, MDChelsea, MI 481181013595750
- Rebecca Patrias, MDChelsea, MI 481181760594899
- Steven Yarows, MDChelsea, MI 481181275532087
- Tracey Alperin, MDBrighton, MI 481161609227958
Common questions
What is Rubens Ribeiro, M.D.'s NPI number?
Rubens Ribeiro, M.D.'s National Provider Identifier (NPI) is 1396935367, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rubens Ribeiro, M.D. located?
The NPPES record lists a practice address at 775 S Main St, Chelsea, MI, 48118. Phone: (734) 593-6000. Providers update this record themselves, so call before visiting.
How can I verify Rubens Ribeiro, M.D.'s license?
NPPES lists Michigan license number 4301090048, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rubens Ribeiro, M.D. prescribe under Medicare Part D?
In 2024, Rubens Ribeiro, M.D. had 357 Medicare Part D claims for 203 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.