JOHN G GUSTAFSON MD
NPI 1992777437
Internal Medicine - Interventional Cardiology in Kalamazoo, MI
About John G Gustafson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN G GUSTAFSON MD (NPI 1992777437) is an individual interventional cardiology provider in Kalamazoo, Michigan, licensed in Michigan (4301069176) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Three Rivers Health, and is a graduate of Wayne State University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
John G Gustafson 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 John Gustafson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Medical Group Promed
- 465 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 247 clinicians in this Medicare group
Dowagiac, MI 49047
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Borgess Lee Hospital
- 133 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 25
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Three Rivers Health
Acute Care Hospitals · Three Rivers, MIBronson Methodist Hospital
Acute Care Hospitals · Kalamazoo, MIPromedica Coldwater Regional Hospital
Acute Care Hospitals · Coldwater, MIBorgess Medical Center
Acute Care Hospitals · Kalamazoo, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49048 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KALAMAZOO, MI 49048
KALAMAZOO, MI 49048
KALAMAZOO, MI 49048
KALAMAZOO, MI 49048
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 John Gustafson's NPI number?
The NPI number for John Gustafson is 1992777437. It was assigned to this individual provider in the NPPES registry on February 7, 2006.
Where is John Gustafson located?
John Gustafson practices at 1722 Shaffer St Suite 1, Kalamazoo, MI 49048. The listed phone number is (269) 381-3963.
What is John Gustafson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is John Gustafson enrolled in Medicare?
Yes. John Gustafson 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 John Gustafson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Gustafson reassigns Medicare benefits to 3 organizations: Promed Healthcare (Kalamazoo, MI), Ascension Borgess Hospital (Kalamazoo, MI) and Beacon Dowagiac Inc (Dowagiac, 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 John Gustafson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Gustafson accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list John Gustafson 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 John Gustafson affiliated with any hospitals?
According to CMS data, John Gustafson is affiliated with Three Rivers Health, Bronson Methodist Hospital, Promedica Coldwater Regional Hospital and Borgess Medical Center.
When was this NPI record last updated?
The NPPES record for John Gustafson was last updated on July 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# John G Gustafson, MD · NPI 1992777437
Interventional Cardiology physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since February 7, 2006.
## Identity
- **NPI:** 1992777437 (Entity type: Individual)
- **Enumerated:** February 7, 2006
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 4301069176 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1722 SHAFFER ST, SUITE 1, Kalamazoo, MI 49048-1633
- **Phone:** (269) 381-3963 · **Fax:** (269) 381-2809
## 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): Promed Healthcare (NPI 1568592038, Kalamazoo, MI); Ascension Borgess Hospital (NPI 1336279827, Kalamazoo, MI); Beacon Dowagiac Inc (NPI 1194771030, Dowagiac, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** July 16, 2015
- **Other identifiers:** Medicare UPIN G36177
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Source: [NPI Profile](https://npiprofile.com/npi/1992777437) · Data from the CMS NPPES public registry.