Isaac J. Vandam, MD
Family Medicine Physician · Grand Rapids, MI
Isaac J. Vandam, MD is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1649809229, issued on Apr 5, 2020. Check the license (Michigan 4351047022, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Isaac J. Vandam
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4351047022 MI
Self-reported in NPPES; status is on the state search - Practice location
- 75 Sheldon Ave SE Ste 101, Grand Rapids, MI 49503
- Phone
- (616) 391-2420
- Enumerated
- Apr 5, 2020
- Record last updated
- Aug 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20221109000732); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 75 Sheldon Ave SE Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac J. Vandam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351047022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,021 Medicare Part D claims for 183 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Atorvastatin Calcium134 claims
- Amlodipine Besylate92 claims
- Gabapentin88 claims
- Omeprazole88 claims
- Levothyroxine Sodium55 claims
- Albuterol Sulfate Hfa51 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Spectrum Health Primary Care PartnersKentwood, MI
- Spectrum Health UnitedGreenville, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac J. Vandam among 6,013 family medicine physician records in Michigan
Isaac J. Vandam, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.
- NPI issued2020 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2008 among the 3,493 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
317 family medicine physician records list a practice address in Grand Rapids
They are 317 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Grand Rapids → Family Medicine Physician nationwide →
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- Ho-See Chan, MDGrand Rapids, MI 495031588617914
- Laurie Daum, MDGrand Rapids, MI 495031457302184
- Maged Hamed, MDGrand Rapids, MI 495031275509044
Common questions
What is Isaac J. Vandam, MD's NPI number?
Isaac J. Vandam, MD's National Provider Identifier (NPI) is 1649809229, issued on Apr 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Isaac J. Vandam, MD located?
The NPPES record lists a practice address at 75 Sheldon Ave SE Ste 101, Grand Rapids, MI, 49503. Phone: (616) 391-2420. Providers update this record themselves, so call before visiting.
How can I verify Isaac J. Vandam, MD's license?
NPPES lists Michigan license number 4351047022, 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 Isaac J. Vandam, MD prescribe under Medicare Part D?
In 2024, Isaac J. Vandam, MD had 2,021 Medicare Part D claims for 183 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Isaac J. Vandam, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.