Doctor profile · Federal record
Dr. William Royster, M.D.
Family Medicine Physician (CMS: Family Practice) · Hagerstown, MD
- NPI 1598798621
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11110 Medical Campus RD Ste 200
Hagerstown, MD 217426797
(301) 714-4400
fax (301) 714-4424
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 30, 2019
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Maryland #DOO51395
- Medicaid
- MD #085201500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598798621. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,521
Distinct HCPCS
10
Medicare allowed
$144,294
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 423 | 320 | $79 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 328 | 260 | $114 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 190 | 190 | $130 | |
G0008 |
Administration of influenza virus vaccine | 141 | 135 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 118 | 116 | $71 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 48 | 48 | $269 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 47 | 46 | $51 | |
G0009 |
Administration of pneumococcal vaccine | 38 | 38 | $31 | |
90480 |
Admn sarscov2 vacc 1 dose | 33 | 33 | $41 | |
91320 |
Sarscv2 vac 30mcg trs-suc im | 33 | 33 | $128 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 85. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$34
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| MY01 Inc. | 1 | $33.55 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,393
Patients
934
Total drug cost
$48,409
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 559 | 157 | $8,590 |
| Amlodipine Besylate | Generic | 444 | 122 | $4,022 |
| Lisinopril | Generic | 373 | 97 | $3,670 |
| Levothyroxine Sodium | Generic | 284 | 79 | $3,819 |
| Omeprazole | Generic | 236 | 65 | $4,312 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 215 | 58 | $3,420 |
| Metoprolol Succinate | Generic | 181 | 46 | $4,428 |
| Losartan Potassium | Generic | 173 | 47 | $1,938 |
| Buspirone Hcl | Generic | 147 | 36 | $2,064 |
| Glimepiride | Generic | 137 | 37 | $2,135 |
Hospital affiliations
Frequently asked questions
What is Dr. William Royster's medical specialty?
Dr. William Royster practices Family Medicine Physician in Hagerstown, MD.
Where does Dr. William Royster practice?
Dr. William Royster practices at 11110 Medical Campus RD Ste 200, Hagerstown, MD 217426797. Office phone: 3017144400.
What is Dr. William Royster's NPI?
Dr. William Royster's National Provider Identifier (NPI) is 1598798621, issued by NPPES.
Does Dr. William Royster accept Medicare assignment?
Yes. Dr. William Royster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Royster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.