Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Zerfing, CRNP

Individual provider Adult Health Nurse Practitioner · NPI 1992303895

John Zerfing, CRNP is a Nurse Practitioner in York, Pennsylvania. Qualified in 2020, 6 years ago. Practices with Cancer Care Associates of York, Inc, a 15-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
6
Licensed in
PA
In the registry since
2020
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

25 Monument Rd Ste 294
York, PA 17403-5049
Phone: (717) 741-9229
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence SP022606 (PA)

Record details

NPI number1992303895
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNP
Sole proprietorNo
NPI enumeratedOctober 13, 2020
Last updated in NPPESApril 29, 2026
Certification dateApril 29, 2026
Mailing address601 Memory Ln, York, PA 17402-2231

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Cancer Care Associates Of York, Inc. — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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