Matthew Jay Weiss, DO
Geriatric Medicine (Internal Medicine) Physician · Fenton, MI
Matthew Jay Weiss, DO is a geriatric medicine (internal medicine) physician with a practice address in Fenton, Michigan, and NPI 1982712717, issued on Aug 29, 2006. Check the license (Michigan 5101007703, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Matthew Jay Weiss
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 5101007703 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Chateaux DU Lac, Fenton, MI 48430
- Phone
- (810) 964-2331
- Enumerated
- Aug 29, 2006
- Record last updated
- Oct 7, 2025
- Fax
- (810) 603-3704
- Medicaid ID
- 3371370 MI
- Medicare enrollment
- Enrolled (PECOS I20051128000323); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1979
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 184 in Michigan → Look up another NPI →
Verify Matthew Jay Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101007703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
60 Medicare Part D claims for 15 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl15 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.
Matthew Jay Weiss among 184 geriatric medicine (internal medicine) physician records in Michigan
Matthew Jay Weiss, DO is one of 184 geriatric medicine (internal medicine) physician records with a practice address in Michigan. 76% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 43% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1979 · median 1997 among the 99 with a school on file
- Record last updated2025 · 60% 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 Michigan 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 Michigan
There are 184 geriatric medicine (internal medicine) physician records in Michigan.
All 184 in Michigan → Every provider in Fenton → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Pany Decossard, M.D.Deckerville, MI 484271376626127
- Roxie Schell, MDDavison, MI 484231124099825
- Shabeta Sahore, M.D.Novi, MI 483771528387032
- Saigeetha Uthamarajan, MDNovi, MI 483771386852952
- Christine Shina, M.D.Novi, MI 483751558457994
- Randolph Schumacher, M.D.Flint, MI 485031912002999
- Jean-Yves Nazroo, M.D.Pontiac, MI 483411568081800
- Raymond Weitzman, M.D.Pontiac, MI 483411669680872
Common questions
What is Matthew Jay Weiss, DO's NPI number?
Matthew Jay Weiss, DO's National Provider Identifier (NPI) is 1982712717, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Jay Weiss, DO located?
The NPPES record lists a practice address at 1 Chateaux DU Lac, Fenton, MI, 48430. Phone: (810) 964-2331. Providers update this record themselves, so call before visiting.
How can I verify Matthew Jay Weiss, DO's license?
NPPES lists Michigan license number 5101007703, 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 Matthew Jay Weiss, DO prescribe under Medicare Part D?
In 2024, Matthew Jay Weiss, DO had 60 Medicare Part D claims for 15 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.