NPPES file of Aug 9, 2026

Christopher Allen May, M.D.

Anesthesiology Physician · York, PA

Christopher Allen May, M.D. is an anesthesiology physician with a practice address in York, Pennsylvania, and NPI 1477554004, issued on Aug 4, 2005. Check the license (Pennsylvania MD474082, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477554004
Name
Christopher Allen May
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD474082 PA
Self-reported in NPPES; status is on the state search
Practice location
1861 Powder Mill RD, York, PA 17402
Phone
(717) 718-2000
Enumerated
Aug 4, 2005
Record last updated
Oct 7, 2025
Fax
(717) 718-3460
Medicare enrollment
Enrolled (PECOS I20210521001068); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1861 Powder Mill RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Madeline Aghazarian, CRNP, FNP-CNurse Practitioner1487241881
  2. Dustin Axe, CRNACertified Registered Nurse Anesthetist1710413869
  3. William BakerPharmacist1457762015
  4. Christian Barotti, MDAnesthesiology Physician1902896061
  5. Laura BellaOccupational Therapist1588781421
  6. Brandy Borman, CRNPFamily Nurse Practitioner1790260164

Verify Christopher Allen May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD474082
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 95.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.7
  2. Costout of 100 · 30%93.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Oss Orthopaedic Hospital LLCYork, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Allen May among 2,481 anesthesiology physician records in Pennsylvania

Christopher Allen May, M.D. is one of 2,481 anesthesiology physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 81% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1994 · median 2005 among the 1,720 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 anesthesiology physician records list a practice address in York

They are 65 of the 4,575 NPPES records with a practice address in York, and 2,481 anesthesiology physician records in Pennsylvania.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Christian Barotti, MDYork, PA 174021902896061
  2. Ronald Flax, M.D.York, PA 174021821099433
  3. Paul Hester, MDYork, PA 174021578553673
  4. Jean-Max Hogarth, M.D.York, PA 174021477554897
  5. Brandon Johnson, M. D.York, PA 174021952542656
  6. Sam Keller, MDYork, PA 174021942463104
  7. David Baker, MDYork, PA 174031144212622
  8. Thomas Bering, MDYork, PA 174031700878477

Common questions

What is Christopher Allen May, M.D.'s NPI number?

Christopher Allen May, M.D.'s National Provider Identifier (NPI) is 1477554004, issued on Aug 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Allen May, M.D. located?

The NPPES record lists a practice address at 1861 Powder Mill RD, York, PA, 17402. Phone: (717) 718-2000. Providers update this record themselves, so call before visiting.

How can I verify Christopher Allen May, M.D.'s license?

NPPES lists Pennsylvania license number MD474082, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Christopher Allen May, M.D.'s MIPS final score?

The 2023 MIPS final score is 95.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.