Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Christopher A. May, MD

Works at hospitals in York, PA · Pennsylvania

Summary

Christopher A. May, MD (Anesthesiology) is listed by Medicare at 1 hospital in York, PA. NPI 1477554004. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher A. May, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
Oss Orthopaedic Hospital LLCGroup practice

Quick answers

Which hospitals does Christopher A. May work at?
Medicare's official clinician data lists Christopher A. May at 1 hospital: Oss Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher A. May see patients?
Medicare's clinician data lists 2 practice locations, including York, PA. Call before your visit to confirm the address.
What is Christopher A. May's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Christopher A. May accept Medicare assignment?
Yes. Medicare's clinician data says Christopher A. May accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Christopher A. May's NPI number?
1477554004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher A. May works

Medicare's Facility Affiliation Data lists Christopher A. May at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Christopher A. May is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1855 Powder Mill RdYork, PA 17402
  • 1861 Powder Mill RdYork, PA 17402

Group practices

Medicare enrollment lists Christopher A. May as a member of this group (CMS data updated 2026-10-02).

  • Oss Orthopaedic Hospital LLC128 clinicians in the group

Specialties

Find other Anesthesiology doctors in Pennsylvania →

Other anesthesiologists in York

Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.

All anesthesiologists in York →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477554004
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians