JOHN GRZECHOWIAK APN
NPI 1477257095
Nurse Practitioner in Clementon, NJ
About John Grzechowiak Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN GRZECHOWIAK APN (NPI 1477257095) is an individual nurse practitioner in Clementon, New Jersey, licensed in New Jersey (26NJ01443700) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Inspira Medical Center Mullica Hill, and is a graduate of Other (2022).
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
John Grzechowiak Apn 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
2Medicare enrollment records show John Grzechowiak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mullica Hill, NJ 08062
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Inspira Health Network Urgent Care PC
- 36 clinicians in this Medicare group
Vineland, NJ 08361
- Reassigned Medicare billing, New Jersey enrollment
- 40 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 4
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.
Inspira Medical Center Mullica Hill
Acute Care Hospitals · Mullica Hill, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Grzechowiak's NPI number?
The NPI number for John Grzechowiak is 1477257095. It was assigned to this individual provider in the NPPES registry on March 28, 2023.
Where is John Grzechowiak located?
John Grzechowiak practices at 1238 Chews Landing Rd, Clementon, NJ 08021. The listed phone number is (856) 545-9500.
What is John Grzechowiak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is John Grzechowiak enrolled in Medicare?
Yes. John Grzechowiak 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 Grzechowiak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grzechowiak reassigns Medicare benefits to 2 organizations: Inspira Health Network Urgent Care, P.C. (Mullica Hill, NJ) and Inspira Sj Urgent Care PC (Vineland, NJ). 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 Grzechowiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Grzechowiak accept?
Health plans from Oscar Health list John Grzechowiak 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 Grzechowiak affiliated with any hospitals?
According to CMS data, John Grzechowiak is affiliated with Inspira Medical Center Mullica Hill.
When was this NPI record last updated?
The NPPES record for John Grzechowiak was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 Grzechowiak, APN · NPI 1477257095
Nurse Practitioner physician in Clementon, New Jersey. Individual provider, active in the CMS NPPES registry since March 28, 2023.
## Identity
- **NPI:** 1477257095 (Entity type: Individual)
- **Enumerated:** March 28, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 26NJ01443700 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 1238 CHEWS LANDING RD, Clementon, NJ 08021-2808
- **Phone:** (856) 545-9500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Inspira Health Network Urgent Care, P.C. (NPI 1255613329, Mullica Hill, NJ); Inspira Sj Urgent Care PC (NPI 1619320991, Vineland, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1477257095) · Data from the CMS NPPES public registry.