Timothy Matthew Iseri, MD
Surgery Physician · Cadillac, MI
Timothy Matthew Iseri, MD is a surgery physician with a practice address in Cadillac, Michigan, and NPI 1477554277, issued on Aug 3, 2005. Check the license (Michigan 4301065506, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Timothy Matthew Iseri
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 4301065506 MI
M7982 ID
MD22588 OR
Self-reported in NPPES; status is on the state search - Practice location
- 927 Carmel St, Cadillac, MI 49601
- Phone
- (231) 876-3876
- Enumerated
- Aug 3, 2005
- Record last updated
- Feb 20, 2026
- Fax
- (231) 775-1115
- Medicaid IDs
- 288205 OR
805805300 ID
4890725 MI - Medicare enrollment
- Enrolled (PECOS I20060905000345); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1995
- Entity
- Type 1 · individual
Also registered at 927 Carmel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Swiriduk, DPMPodiatrist1346274172
- Glenn Verbrugge, MDSurgery Physician1841224557
Verify Timothy Matthew Iseri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301065506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average surgery physician in 2024
226 Medicare Part D claims for 95 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 39 claims were for opioids.
Most prescribed
- Omeprazole92 claims
- Sucralfate59 claims
- Hydrocodone-Acetaminophen34 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.
Industry payments in 2024: $4,604.71
10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Munson Healthcare CadillacCadillac, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
6 surgery physician records list a practice address in Cadillac
They are 6 of the 646 NPPES records with a practice address in Cadillac, and 1,376 surgery physician records in Michigan.
All 6 in Cadillac → All 1,376 in Michigan → Every provider in Cadillac →
Other surgery physician records in Michigan
- Ahmad Abdul Ali, DOTrenton, MI1700307808
- Senan Abdul-Hamed, MDEast Lansing, MI1396034476
- Marwan Abouljoud, M.D.Detroit, MI1316000896
- Taylor Abraham, MDRoyal Oak, MI1730717992
- Ahmad Abukhader, DOWyandotte, MI1194466342
- Majd Aburabia, M.D.Dearborn Heights, MI1174687370
- Robert Acho, DORochester Hills, MI1932631314
- Jamie Adair, M.DSault Sainte Marie, MI1972775831
- Adewunmi Adeyemo, MDWayne, MI1427289883
- Zachary Adkins, MDWarren, MI1821671835
Common questions
What is Timothy Matthew Iseri, MD's NPI number?
Timothy Matthew Iseri, MD's National Provider Identifier (NPI) is 1477554277, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Matthew Iseri, MD located?
The NPPES record lists a practice address at 927 Carmel St, Cadillac, MI, 49601. Phone: (231) 876-3876. Providers update this record themselves, so call before visiting.
How can I verify Timothy Matthew Iseri, MD's license?
NPPES lists Michigan license number 4301065506, 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 Timothy Matthew Iseri, MD prescribe under Medicare Part D?
In 2024, Timothy Matthew Iseri, MD had 226 Medicare Part D claims for 95 beneficiaries; the average among surgery physician prescribers was 147. 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.