Dr. Benjamin Gary May, DO
- Medicare services, 2024
- 137
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 2,582
- Hospital affiliations
- 2
- Industry payments
- $28
- Practice address
- 901 Mountain View Dr, Shelton, WA 98584
- Practice phone
- Call (360) 427-9549
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mason General Hosptial
Shelton, Washington
Find Dr. May's professional email, personal email and mobile number
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Dr. Benjamin Gary May is a family medicine physician in Shelton, Washington
Dr. May practices at Mason General Hosptial in Shelton, Washington.
Dr. May's NPI, 1447634878, was assigned on July 15, 2015. Dr. May holds Washington license OP61037720.
- NPI
- 1447634878NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678847753
- NPI enumeration date
- July 15, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 427-9549
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Gary May practices at Mason General Hosptial in Shelton, Washington
Dr. May's primary practice is Mason General Hosptial, at 901 Mountain View Dr, Shelton, WA 98584 in Mason County. The practice phone is (360) 427-9549.
- Mason General Hosptial901 Mountain View Dr, Shelton, WA 98584 · Mason CountyPhone(360) 427-9549
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Benjamin Gary May is affiliated with 4 sites of care and 2 medical groups
Dr. May's primary practice is Mason General Hosptial in Shelton, Washington. Dr. May is also affiliated with Mason General Hospital & Family of Clinics. The medical group on file is Providence Medical Group - South Puget Sound (Olympia). Dmand AI also links Dr. May to 1 more hospital, 1 rural health clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Benjamin Gary May's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. May practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mason General Hosptial | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Gary May is one of 4,178 family medicine physicians in Washington
Family medicine is Dr. May's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. May is licensed in Washington.
Specialties and state licenses
- Family medicine, WashingtonPrimary
Family medicine physicians near Dr. May
Counts of family medicine physicians 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. Benjamin Gary May billed Medicare for 137 services in 2024
CMS data shows 137 Medicare services from Dr. May across 3 procedure codes in 2024, for 68 Medicare patients. Medicare paid $9,983 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. May's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 892024: 13754%
Dr. May compared with the Washington median for family medicine physicians, 2024
- Dr. May
- Washington median
- Medicare services
- 137vs 20031% below
- Medicare patients
- 68vs 10435% below
- Part D claims
- 1,974vs 6023.3 times
Medians across 4,334 family medicine physicians 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Gary May treated 68 Medicare patients in 2024, average age 78
CMS counts 68 Medicare patients who saw Dr. May in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. May's median patient age at 66, with 51% women.
Dr. May's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. May's Medicare patients by sex, 2024
- Women4160%
- Men2740%
Chronic conditions among Dr. May's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Heart failure49%
- Mood disorders49%
- Anxiety46%
- Depression44%
- Diabetes44%
- COPD43%
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 66
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Gary May wrote 2,582 Medicare Part D claims in 2024
In 2024, Dr. May wrote 2,582 Medicare Part D claims for 250 patients. 84% of them were for generic drugs. CMS names the drug for 1,974 of them, across 61 drugs with 11 or more claims each, at $209,398 in total drug cost. In 2023, CMS named 1,647 claims across 56 drugs.
Dr. May's Part D claims by kind of drug, 2024
- Generic2,172 claims84%
- Brand-name382 claims15%
- Other28 claims1%
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
- Opioids1%20 of 2,582 claims
- Antibiotics2%51 of 2,582 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: 1,6472024: 1,97420%
Drugs named by CMS: 61 in 2024, 56 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
How Dr. Benjamin Gary May takes part in Medicare
Dr. May accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Benjamin Gary May received $28 in industry payments from 2019 to 2025
CMS Open Payments shows 2 general payments to Dr. May from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $16.
General payments to Dr. May by program year, 2019 to 2025
Companies that paid Dr. May the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Benjamin Gary 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Benjamin Gary 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. Benjamin Gary May's NPI number?
Dr. Benjamin Gary May's NPI number is 1447634878. It was assigned on July 15, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Gary May?
Dr. Benjamin Gary May is a family medicine physician in Shelton, Washington. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Benjamin Gary May practice?
Dr. May practices at 901 Mountain View Dr, Shelton, WA 98584. Dr. May's primary practice is Mason General Hosptial in Shelton, Washington. Dmand AI also links Dr. May to 1 hospital, 1 rural health clinic and 1 medical group.
What is Dr. Benjamin Gary May's office phone number?
The practice phone on file for Dr. May is (360) 427-9549.
What is Dr. Benjamin Gary May's medical license number?
Dr. May holds Washington license OP61037720.
Which hospitals is Dr. Benjamin Gary May affiliated with?
Dr. May is affiliated with Mason General Hospital & Family of Clinics. Dmand AI links Dr. May to 1 more hospital.
What medical group is Dr. Benjamin Gary May part of?
Dr. May is linked to Providence Medical Group - South Puget Sound (Olympia). Dmand AI links Dr. May to 1 more medical group.
Does Dr. Benjamin Gary May accept Medicare?
Yes. CMS data shows Dr. May billed Medicare for 137 services in 2024, and Dr. May accepts Medicare assignment.
How many Medicare patients does Dr. Benjamin Gary May see?
CMS counts 68 Medicare patients who saw Dr. May in 2024, with an average age of 78.
What services does Dr. Benjamin Gary May bill to Medicare?
In 2024, Dr. May's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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What drugs does Dr. Benjamin Gary May prescribe most?
In 2024 Medicare Part D data, Dr. May's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Benjamin Gary May received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. May from 2 companies from 2019 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Dr. Benjamin Gary May been practicing?
Dr. May graduated from medical school in 2017, 9 years ago.
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