William E. Royster, M.D.
Family Medicine Physician · Hagerstown, MD
William E. Royster, M.D. is a family medicine physician with a practice address in Hagerstown, Maryland, and NPI 1598798621, issued on Jul 9, 2006. Check the license (Maryland DOO51395, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- William E. Royster
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DOO51395 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11110 Medical Campus RD Ste 200, Hagerstown, MD 21742
- Phone
- (301) 714-4400
- Enumerated
- Jul 9, 2006
- Record last updated
- Apr 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (301) 714-4424
- Medicaid ID
- 085201500 MD
- Medicare enrollment
- Enrolled (PECOS I20100617000639); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 11110 Medical Campus RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Asuncion, MDFamily Medicine Physician1225009400
- Joshua BeachNurse Practitioner1124986989
- Ashika Chaluvadi, DOStudent in an Organized Health Care Education/Training Program1255186839
- Crist Cuffee, DOStudent in an Organized Health Care Education/Training Program1053106021
- Daniel Deaton, MDFamily Medicine Physician1922504273
- Andrew Ditto, MDFamily Medicine Physician1841424348
Verify William E. Royster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DOO51395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average family medicine physician in 2024
8,427 Medicare Part D claims for 596 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 27 claims were for opioids.
Most prescribed
- Atorvastatin Calcium559 claims
- Amlodipine Besylate499 claims
- Lisinopril322 claims
- Levothyroxine Sodium312 claims
- Omeprazole242 claims
- Losartan Potassium215 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.
Industry payments in 2024: $33.55
1 payment: food and beverage; the largest payer was MY01 Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Medical Practices OF Antietam, LLCHagerstown, MD
- Meritus Medical Center IncHagerstown, MD
- Meritus Urgent Care LLCHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William E. Royster among 1,912 family medicine physician records in Maryland
William E. Royster, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2004 among the 1,141 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 family medicine physician records list a practice address in Hagerstown
They are 61 of the 2,414 NPPES records with a practice address in Hagerstown, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Hagerstown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Asuncion, MDHagerstown, MD 217421225009400
- Allen Ditto, MDHagerstown, MD 217421497750707
- Vicki Ellis, MDHagerstown, MD 217421407828486
- Michael Gaudiose, MDHagerstown, MD 217421578567939
- Aleda Johnson, MDHagerstown, MD 217421063458107
- Ralph Kugler, M.D.Hagerstown, MD 217421821093055
- William Kutzera, MDHagerstown, MD 217421053316273
- Stephen Metzner, MDHagerstown, MD 217421851396089
Common questions
What is William E. Royster, M.D.'s NPI number?
William E. Royster, M.D.'s National Provider Identifier (NPI) is 1598798621, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William E. Royster, M.D. located?
The NPPES record lists a practice address at 11110 Medical Campus RD Ste 200, Hagerstown, MD, 21742. Phone: (301) 714-4400. Providers update this record themselves, so call before visiting.
How can I verify William E. Royster, M.D.'s license?
NPPES lists Maryland license number DOO51395, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William E. Royster, M.D. prescribe under Medicare Part D?
In 2024, William E. Royster, M.D. had 8,427 Medicare Part D claims for 596 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.