NPPES file of Aug 9, 2026

Gregory Kenneth May, M.D.

Orthopaedic Surgery Physician · Aberdeen, WA

Gregory Kenneth May, M.D. is an orthopaedic surgery physician with a practice address in Aberdeen, Washington, and NPI 1265401533, issued on Mar 17, 2006. Check the license (Washington MD00032541, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265401533
Name
Gregory Kenneth May
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
MD00032541 WA
Self-reported in NPPES; status is on the state search
Practice location
1211 Skyview Dr, Aberdeen, WA 98520
Phone
(360) 532-3808
Enumerated
Mar 17, 2006
Record last updated
Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(360) 533-4884
Medicaid ID
8177057 WA
Medicare enrollment
Enrolled (PECOS I20100421000227); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1990
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 1211 Skyview Dr

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

  1. Iam Muri, PA-CPhysician Assistant1730064007

Verify Gregory Kenneth May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00032541
    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 Washington license search

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28% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

249 Medicare Part D claims for 146 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 154 claims were for opioids.

  1. Gregory May249
  2. Specialty average346

Most prescribed

  1. Hydrocodone-Acetaminophen142 claims
  2. Amoxicillin28 claims
  3. Clindamycin Hcl12 claims
  4. Meloxicam11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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 score57.0
  2. Costout of 100 · 30%82.7
  3. Promoting interoperabilityout of 100 · 25%63.0
  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).

Industry payments in 2024: $326.14

13 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory May$326
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ghch Physician Services, LLCAberdeen, WA

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

Gregory Kenneth May among 656 orthopaedic surgery physician records in Washington

Gregory Kenneth May, M.D. is one of 656 orthopaedic surgery physician records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1990 · median 2004 among the 385 with a school on file
  • Record last updated2011 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Washington

There are 656 orthopaedic surgery physician records in Washington.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Delbert Jones, M.D.Olympia, WA 985131225196223
  2. Thomas Degan, MDBelfair, WA 985281114924032
  3. Keith Anderson, MDCentralia, WA 985311083726269
  4. Chad Bender, MDCentralia, WA 985311003891276
  5. Keith Birchard, MDCentralia, WA 985311164534350
  6. Lucas Harvey, M.D.Centralia, WA 985311336670280
  7. Scott Slattery, MDCentralia, WA 985311144332339
  8. Ismail Tuncay, MDCentralia, WA 985311598576282

Common questions

What is Gregory Kenneth May, M.D.'s NPI number?

Gregory Kenneth May, M.D.'s National Provider Identifier (NPI) is 1265401533, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Kenneth May, M.D. located?

The NPPES record lists a practice address at 1211 Skyview Dr, Aberdeen, WA, 98520. Phone: (360) 532-3808. Providers update this record themselves, so call before visiting.

How can I verify Gregory Kenneth May, M.D.'s license?

NPPES lists Washington license number MD00032541, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Kenneth May, M.D. prescribe under Medicare Part D?

In 2024, Gregory Kenneth May, M.D. had 249 Medicare Part D claims for 146 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Gregory Kenneth May, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 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.