Dr. Gregory Kenneth May, MD
- Medicare services, 2024
- 6,595
- Medicare patients, 2024
- 601
- Part D claims, 2024
- 249
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Practice address
- 915 Anderson Drive, Aberdeen, WA 98520
- Practice phone
- Call (360) 532-8330
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. May's professional email, personal email and mobile number
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Dr. Gregory Kenneth May is an orthopedic surgeon in Aberdeen, Washington
Dr. May practices at Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health.
Dr. May's NPI, 1265401533, was assigned on March 17, 2006. Dr. May graduated from Creighton University School of Medicine in 1990. Dr. May holds Washington license MD00032541.
- NPI
- 1265401533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234178328
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 532-8330
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Kenneth May practices at Harbor Regional Health Community Hospital in Aberdeen, Washington
Dr. May's primary practice is Harbor Regional Health Community Hospital, at 915 Anderson Drive, Aberdeen, WA 98520 in Grays Harbor County. The practice phone is (360) 532-8330.
- Harbor Regional Health Community Hospital915 Anderson Drive, Aberdeen, WA 98520 · Grays Harbor CountyPhone(360) 532-8330
Source: Dmand AI Affiliation Data
Dr. Gregory Kenneth May is affiliated with 5 sites of care and 1 medical group
Dr. May's primary practice is Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health. The medical group on file is Harbor Regional Health Medical Group. Dmand AI also links Dr. May to 2 more home health agencies, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Kenneth May's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. May practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor Regional Health Community Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Harbor Regional Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Kenneth May is one of 514 orthopedic surgeons in Washington
Orthopaedic surgery is Dr. May's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. May is licensed in Washington.
Specialties and state licenses
- Orthopaedic surgery, WashingtonPrimary
Orthopedic surgeons near Dr. May
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Kenneth May billed Medicare for 6,595 services in 2024
CMS data shows 6,595 Medicare services from Dr. May across 24 procedure codes in 2024, for 601 Medicare patients. Medicare paid $134,299 for them.
Dr. May's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5,3872024: 4,83710%
- Surgery
- 2023: 1,0122024: 85615%
- Office and hospital visits
- 2023: 7902024: 62121%
- Imaging
- 2023: 3432024: 28118%
Where Dr. May's Medicare services took place, 2024
- In an office6,42297%
- In a facility1733%
Dr. May compared with the Washington median for orthopedic surgeons, 2024
- Dr. May
- Washington median
- Medicare services
- 6,595vs 6709.8 times
- Medicare patients
- 601vs 2162.8 times
- Part D claims
- 193vs 822.4 times
Medians across 493 orthopedic surgeons in Washington with Dmand AI profiles that report each measure.
Dr. May's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. May and other orthopedic surgeons in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Kenneth May treated 601 Medicare patients in 2024, average age 75
CMS counts 601 Medicare patients who saw Dr. May in 2024. The largest group is 65 to 74, with 260 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. May's median patient age at 67, with 56% women.
Dr. May's Medicare patients by age, 2024
Dr. May's Medicare patients by sex, 2024
- Women38865%
- Men21335%
Chronic conditions among Dr. May's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis68%
- Diabetes30%
- Mood disorders24%
- Anxiety22%
- Chronic kidney disease22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. May's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Kenneth May wrote 249 Medicare Part D claims in 2024
In 2024, Dr. May wrote 249 Medicare Part D claims for 146 patients. 97% of them were for generic drugs. CMS names the drug for 193 of them, across 4 drugs with 11 or more claims each, at $747 in total drug cost. In 2023, CMS named 161 claims across 3 drugs.
Dr. May's Part D claims by kind of drug, 2024
- Generic241 claims97%
- Brand-name and other8 claims3%
Dr. May's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. May's Part D claims, 2024
- Opioids62%154 of 249 claims
- Antibiotics17%43 of 249 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1612024: 19320%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory Kenneth May scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. May for performance year 2024, reported individually. Dr. May accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of removal of tissue by Dr. May, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. May's MIPS scores, performance year 2024
- 85of 100Final score
- 66.3of 100Quality
- 40of 100Improvement Activities
- 91of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. May ranks in Medicare procedure volume
- Removal of tissue
- 77th percentile46 procedures
- Hip replacement
- 60th percentile16 procedures
- Knee replacement
- 47th percentile16 procedures
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 48th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory Kenneth May received $2,311 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. May from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $2,083.
General payments to Dr. May by program year, 2016 to 2025
Companies that paid Dr. May the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Kenneth May graduated from Creighton University School of Medicine
Dr. May graduated from Creighton University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Kenneth May's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Kenneth May
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Kenneth May's NPI number?
Dr. Gregory Kenneth May's NPI number is 1265401533. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Kenneth May?
Dr. Gregory Kenneth May is an orthopedic surgeon in Aberdeen, Washington. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory Kenneth May practice?
Dr. May practices at 915 Anderson Drive, Aberdeen, WA 98520. Dr. May's primary practice is Harbor Regional Health Community Hospital in Aberdeen, Washington, part of Harbor Regional Health. Dmand AI also links Dr. May to 2 home health agencies, 1 physician office and 1 group practice or clinic.
What is Dr. Gregory Kenneth May's office phone number?
The practice phone on file for Dr. May is (360) 532-8330.
What is Dr. Gregory Kenneth May's medical license number?
Dr. May holds Washington license MD00032541.
Which hospitals is Dr. Gregory Kenneth May affiliated with?
Dr. May practices at Harbor Regional Health Community Hospital in Aberdeen, Washington.
What medical group is Dr. Gregory Kenneth May part of?
Dr. May is linked to Harbor Regional Health Medical Group.
Does Dr. Gregory Kenneth May accept Medicare?
Yes. CMS data shows Dr. May billed Medicare for 6,595 services in 2024, and Dr. May accepts Medicare assignment.
What is Dr. Gregory Kenneth May's MIPS score?
Dr. May's MIPS final score for performance year 2024 is 85 out of 100, reported individually.
How many Medicare patients does Dr. Gregory Kenneth May see?
CMS counts 601 Medicare patients who saw Dr. May in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Gregory Kenneth May bill to Medicare?
In 2024, Dr. May's most billed Medicare services were injected or infused drug (J3301), surgery: bones and joints (20610) and office visit, established patient (99213).
Where did Dr. Gregory Kenneth May go to medical school?
Dr. May graduated from Creighton University School of Medicine in 1990.
What drugs does Dr. Gregory Kenneth May prescribe most?
In 2024 Medicare Part D data, Dr. May's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amoxicillin and Clindamycin HCl.
Has Dr. Gregory Kenneth May received payments from drug or device companies?
CMS Open Payments shows $2,311 in general payments to Dr. May from 7 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Gregory Kenneth May been practicing?
Dr. May graduated from medical school in 1990, 36 years ago.
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