ISAAC J VANDAM MD
NPI 1649809229
Family Medicine in Grand Rapids, MI
About Isaac J Vandam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISAAC J VANDAM MD (NPI 1649809229) is an individual family medicine provider in Grand Rapids, Michigan, licensed in Michigan (4351047022) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Wayne State University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Isaac J Vandam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Isaac Vandam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 405 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Greenville, MI 48838
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Isaac Vandam's NPI number?
The NPI number for Isaac Vandam is 1649809229. It was assigned to this individual provider in the NPPES registry on April 5, 2020.
Where is Isaac Vandam located?
Isaac Vandam practices at 75 Sheldon Ave SE Ste 101, Grand Rapids, MI 49503. The listed phone number is (616) 391-2420.
What is Isaac Vandam's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Isaac Vandam enrolled in Medicare?
Yes. Isaac Vandam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Isaac Vandam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Vandam reassigns Medicare benefits to 3 organizations: Spectrum Health Hospitals (Grand Rapids, MI), Spectrum Health Primary Care Partners (Grand Rapids, MI) and Spectrum Health United (Greenville, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isaac Vandam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isaac Vandam accept?
Health plans from Priority Health list Isaac Vandam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Isaac Vandam affiliated with any hospitals?
According to CMS data, Isaac Vandam is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Isaac Vandam was last updated on August 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Isaac J Vandam, MD · NPI 1649809229
Family Medicine physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since April 5, 2020.
## Identity
- **NPI:** 1649809229 (Entity type: Individual)
- **Enumerated:** April 5, 2020
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4351047022 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 SHELDON AVE SE STE 101, Grand Rapids, MI 49503-4224
- **Phone:** (616) 391-2420
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Spectrum Health Hospitals (NPI 1558407189, Grand Rapids, MI); Spectrum Health Primary Care Partners (NPI 1790093763, Grand Rapids, MI); Spectrum Health United (NPI 1538436852, Greenville, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** August 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1649809229) · Data from the CMS NPPES public registry.