Andrew G. Gregson
Internal Medicine Physician · Midland, MI
Andrew G. Gregson is an internal medicine physician with a practice address in Midland, Michigan, and NPI 1538514518, issued on Apr 27, 2016. Check the license (Michigan 5101025095, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Andrew G. Gregson
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101025095 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Wellness Dr, Midland, MI 48670
- Phone
- (844) 832-1956
- Enumerated
- Apr 27, 2016
- Record last updated
- Jun 20, 2023
- Fax
- (989) 633-5241
- Medicare enrollment
- Enrolled (PECOS I20190726000309); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2016
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 4000 Wellness Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew G. Gregson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101025095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
453 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Prednisone29 claims
- Pantoprazole Sodium25 claims
- Bisoprolol Fumarate18 claims
- Amlodipine Besylate17 claims
- Amoxicillin-Clavulanate Potass16 claims
- Eliquis16 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
- Mymichigan Medical GroupMidland, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew G. Gregson among 5,735 internal medicine physician records in Michigan
Andrew G. Gregson 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 2016, is newer than 69% of them.
- NPI issued2016 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2006 among the 3,564 with a school on file
- Record last updated2023 · 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).
37 internal medicine physician records list a practice address in Midland
They are 37 of the 2,324 NPPES records with a practice address in Midland, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Midland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ali AldabbaghMidland, MI 486701568843324
- Fawaz Alsmaan, MDMidland, MI 486701275846230
- Damilola BabalolaMidland, MI 486701740691286
- Amer BleibelMidland, MI 486701851772388
- Lizbeth Hingst, DOMidland, MI 486701548589237
- Ghazwan JabriMidland, MI 486701194115196
- Sehrish Khan, M.D.Midland, MI 486701376958835
Common questions
What is Andrew G. Gregson's NPI number?
Andrew G. Gregson's National Provider Identifier (NPI) is 1538514518, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Andrew G. Gregson located?
The NPPES record lists a practice address at 4000 Wellness Dr, Midland, MI, 48670. Phone: (844) 832-1956. Providers update this record themselves, so call before visiting.
How can I verify Andrew G. Gregson's license?
NPPES lists Michigan license number 5101025095, 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 Andrew G. Gregson prescribe under Medicare Part D?
In 2024, Andrew G. Gregson had 453 Medicare Part D claims for 171 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.