MR. JOHN E ZALLNICK PAC
NPI 1427023753
Physician Assistant in York, PA
About Mr. John E Zallnick Pac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN E ZALLNICK PAC (NPI 1427023753) is an individual physician assistant in York, Pennsylvania, licensed in Pennsylvania (MA054330) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
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
Mr. John E Zallnick Pac 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
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.
Wellspan York Hospital
Acute Care Hospitals · York, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17403 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 20
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 Zallnick's NPI number?
The NPI number for John Zallnick is 1427023753. It was assigned to this individual provider in the NPPES registry on February 21, 2006.
Where is John Zallnick located?
John Zallnick practices at 25 Monument Rd Suite 290, York, PA 17403. The listed phone number is (717) 812-4090.
What is John Zallnick's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is John Zallnick enrolled in Medicare?
Yes. John Zallnick 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.
Is John Zallnick affiliated with any hospitals?
According to CMS data, John Zallnick is affiliated with Wellspan York Hospital.
When was this NPI record last updated?
The NPPES record for John Zallnick was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.
# Mr. John E Zallnick, PAC · NPI 1427023753
Physician Assistant physician in York, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 21, 2006.
## Identity
- **NPI:** 1427023753 (Entity type: Individual)
- **Enumerated:** February 21, 2006
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** MA054330 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 MONUMENT RD, SUITE 290, York, PA 17403-5060
- **Phone:** (717) 812-4090 · **Fax:** (717) 812-4092
## 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 1999
## Record status
- **NPPES last updated:** October 28, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1427023753) · Data from the CMS NPPES public registry.