Joanne Elizabeth Mathew
Internal Medicine Physician · Saginaw, MI
Joanne Elizabeth Mathew is an internal medicine physician with a practice address in Saginaw, Michigan, and NPI 1184291619, issued on Jun 3, 2021. Check the license (Michigan 4351048320, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Joanne Elizabeth Mathew
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4351048320 MI
R-13357 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Houghton Ave, Saginaw, MI 48602
- Phone
- (989) 583-6800
- Enumerated
- Jun 3, 2021
- Record last updated
- Sep 3, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1000 Houghton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanne Elizabeth Mathew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351048320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
214 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril18 claims
- Atorvastatin Calcium16 claims
- Dicyclomine Hcl11 claims
- Simvastatin11 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.
Joanne Elizabeth Mathew among 5,735 internal medicine physician records in Michigan
Joanne Elizabeth Mathew 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 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2025 · 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).
169 internal medicine physician records list a practice address in Saginaw
They are 169 of the 6,008 NPPES records with a practice address in Saginaw, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Saginaw → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anna Bartnik, M.D.Saginaw, MI 486021750492864
- Rebecca Baumbach, M.D.Saginaw, MI 486021487674214
- Jon Begos, D.OSaginaw, MI 486021689617003
- Glenn Cipullo, M.DSaginaw, MI 486021174570428
- Manisha Gupta, M.D.Saginaw, MI 486021336250505
- William Hampton, MDSaginaw, MI 486021689683997
- Shireen Haque, M.D.Saginaw, MI 486021760593891
- Minoo Khetarpal, M.D.Saginaw, MI 486021033197942
Common questions
What is Joanne Elizabeth Mathew's NPI number?
Joanne Elizabeth Mathew's National Provider Identifier (NPI) is 1184291619, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Elizabeth Mathew located?
The NPPES record lists a practice address at 1000 Houghton Ave, Saginaw, MI, 48602. Phone: (989) 583-6800. Providers update this record themselves, so call before visiting.
How can I verify Joanne Elizabeth Mathew's license?
NPPES lists Michigan license number 4351048320, 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 Joanne Elizabeth Mathew prescribe under Medicare Part D?
In 2024, Joanne Elizabeth Mathew had 214 Medicare Part D claims for 68 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.