JOHN WILLIAM STANIFER M.D.
NPI 1427373232
Internal Medicine - Nephrology in Traverse City, MI
About John William Stanifer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN WILLIAM STANIFER M.D. (NPI 1427373232) is an individual nephrology provider in Traverse City, Michigan, licensed in Michigan (4301116578) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Munson Healthcare Cadillac Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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 William Stanifer M.d. 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 Reassignment
Medicare enrollment records show John Stanifer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Munson Medical Center
- 492 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 16
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Healthcare Cadillac Hospital
Acute Care Hospitals · Cadillac, MIMunson Medical Center
Acute Care Hospitals · Traverse City, MIPaul Oliver Memorial Hospital
Critical Access Hospitals · Frankfort, MIKalkaska Memorial Health Center
Critical Access Hospitals · Kalkaska, MICharlevoix Area Hospital
Critical Access Hospitals · Charlevoix, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49684 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TRAVERSE CITY, MI 49684
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 Stanifer's NPI number?
The NPI number for John Stanifer is 1427373232. It was assigned to this individual provider in the NPPES registry on April 5, 2010.
Where is John Stanifer located?
John Stanifer practices at 4062 W Royal Dr, Traverse City, MI 49684. The listed phone number is (231) 935-0338.
What is John Stanifer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is John Stanifer enrolled in Medicare?
Yes. John Stanifer 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 organization bills Medicare for John Stanifer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Stanifer reassigns Medicare benefits to Musnon Medical Center (Traverse City, MI). The 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 Stanifer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Stanifer accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Cigna Healthcare and Priority Health list John Stanifer 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 Stanifer affiliated with any hospitals?
According to CMS data, John Stanifer is affiliated with Munson Healthcare Cadillac Hospital, Munson Medical Center, Paul Oliver Memorial Hospital, Kalkaska Memorial Health Center and Charlevoix Area Hospital.
When was this NPI record last updated?
The NPPES record for John Stanifer was last updated on December 8, 2022. 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.