John S. Macdonald, MD
Internal Medicine Physician · Saint Johns, MI
John S. Macdonald, MD is an internal medicine physician with a practice address in Saint Johns, Michigan, and NPI 1215038906, issued on Sep 26, 2006. Check the license (Michigan 4301038398, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John S. Macdonald
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301038398 MI
Self-reported in NPPES; status is on the state search - Practice location
- 110 W Higham St, Saint Johns, MI 48879
- Phone
- (989) 224-0646
- Enumerated
- Sep 26, 2006
- Record last updated
- Mar 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (989) 224-0929
- Medicaid ID
- 10 2116963 MI
- Medicare enrollment
- Enrolled (PECOS I20071127000526); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 110 W Higham St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Beal, D.O.Internal Medicine Physician1003980277
- Alyce Metoyer, D.O.Adult Medicine Physician1962713982
- Lukas Veith, NPNurse Practitioner1316330426
Verify John S. Macdonald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301038398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average internal medicine physician in 2024
4,104 Medicare Part D claims for 193 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 110 claims were for opioids.
Most prescribed
- Amlodipine Besylate235 claims
- Levothyroxine Sodium196 claims
- Losartan Potassium159 claims
- Metoprolol Succinate152 claims
- Atorvastatin Calcium136 claims
- Rosuvastatin Calcium124 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: $23.64
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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.
4 internal medicine physician records list a practice address in Saint Johns
They are 4 of the 207 NPPES records with a practice address in Saint Johns, and 5,735 internal medicine physician records in Michigan.
All 4 in Saint Johns → All 5,735 in Michigan → Every provider in Saint Johns →
Other internal medicine physician records in Michigan
- Jamie Therese Abad, MDDetroit, MI1700573359
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is John S. Macdonald, MD's NPI number?
John S. Macdonald, MD's National Provider Identifier (NPI) is 1215038906, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John S. Macdonald, MD located?
The NPPES record lists a practice address at 110 W Higham St, Saint Johns, MI, 48879. Phone: (989) 224-0646. Providers update this record themselves, so call before visiting.
How can I verify John S. Macdonald, MD's license?
NPPES lists Michigan license number 4301038398, 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 John S. Macdonald, MD prescribe under Medicare Part D?
In 2024, John S. Macdonald, MD had 4,104 Medicare Part D claims for 193 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.