JOHN J MULDER IV PA-C
NPI 1124009071
Physician Assistant in Grand Rapids, MI
About John J Mulder Iv Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J MULDER IV PA-C (NPI 1124009071) is an individual physician assistant in Grand Rapids, Michigan, licensed in Michigan (5601004510) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John J Mulder Iv Pa-c 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.
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIMercy Health Saint Mary's
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Mulder's NPI number?
The NPI number for John Mulder is 1124009071. It was assigned to this individual provider in the NPPES registry on November 8, 2005.
Where is John Mulder located?
John Mulder practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-3431.
What is John Mulder's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is John Mulder enrolled in Medicare?
Yes. John Mulder 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.
What insurance does John Mulder accept?
Health plans from McLaren Health Plan Community and Priority Health list John Mulder 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 Mulder affiliated with any hospitals?
According to CMS data, John Mulder is affiliated with Spectrum Health and Mercy Health Saint Mary's.
When was this NPI record last updated?
The NPPES record for John Mulder was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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 J Mulder IV, PA-C · NPI 1124009071
Physician Assistant physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since November 8, 2005.
## Identity
- **NPI:** 1124009071 (Entity type: Individual)
- **Enumerated:** November 8, 2005
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 5601004510 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MICHIGAN ST NE, Grand Rapids, MI 49503-2560
- **Phone:** (616) 391-3431 · **Fax:** (616) 391-2783
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** January 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124009071) · Data from the CMS NPPES public registry.