Michael Ambrose, MD
Internal Medicine Physician · Mount Vernon, IL
Michael Ambrose, MD is an internal medicine physician with a practice address in Mount Vernon, Illinois, and NPI 1538398680, issued on Jul 10, 2009. Check the license (Illinois 036128279, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael Ambrose
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036128279 IL
038010043 IL
Self-reported in NPPES; status is on the state search - Practice location
- 605 N 12TH St, Mount Vernon, IL 62864
- Phone
- (618) 241-2212
- Enumerated
- Jul 10, 2009
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (618) 241-2508
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 605 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Beveridge, CRNACertified Registered Nurse Anesthetist1720180508
- Amanda Brown, PTPhysical Therapist1659416923
- Thomas Cain, CRNACertified Registered Nurse Anesthetist1871773879
- Jenny Charlton, O.T.Occupational Therapist1659415594
- Douglas Frankel, M.D.Internal Medicine Physician1215142310
- Gene Gardner, CRNACertified Registered Nurse Anesthetist1710089818
Verify Michael Ambrose in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036128279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
158 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone52 claims
- Levothyroxine Sodium34 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.
Michael Ambrose among 7,238 internal medicine physician records in Illinois
Michael Ambrose, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 49% of them.
- NPI issued2009 · 49% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Mount Vernon
They are 15 of the 578 NPPES records with a practice address in Mount Vernon, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Mount Vernon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ferdinand Apostol, M.D.Mount Vernon, IL 628641447216239
- Hitanshu Chawla, M.D.Mount Vernon, IL 628641942645692
- Ismat Cheema, DOMount Vernon, IL 628641205226560
- Edgardo Emilia, MDMount Vernon, IL 628641710950217
- Douglas Frankel, M.D.Mount Vernon, IL 628641215142310
- Daniel Hoffman, MDMount Vernon, IL 628641134147432
- William Huffstutler, MDMount Vernon, IL 628641578513420
- Brian Hughes, M.D.Mount Vernon, IL 628641417001371
Common questions
What is Michael Ambrose, MD's NPI number?
Michael Ambrose, MD's National Provider Identifier (NPI) is 1538398680, issued on Jul 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ambrose, MD located?
The NPPES record lists a practice address at 605 N 12TH St, Mount Vernon, IL, 62864. Phone: (618) 241-2212. Providers update this record themselves, so call before visiting.
How can I verify Michael Ambrose, MD's license?
NPPES lists Illinois license number 036128279, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Ambrose, MD prescribe under Medicare Part D?
In 2024, Michael Ambrose, MD had 158 Medicare Part D claims for 43 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.