Doctor profile · Federal record
Dr. Mark Williams, D.O.
Family Medicine Physician (CMS: Family Practice) · Scottdale, PA
- NPI 1215920186
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
305 Everson Ave
Scottdale, PA 156831512
(724) 887-4550
fax (724) 887-7485
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- February 12, 2008
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Pennsylvania #OS005170L
- Medicaid
- PA #0009761700002
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215920186. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,036
Distinct HCPCS
6
Medicare allowed
$81,169
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 550 | 230 | $87 | |
G0008 |
Administration of influenza virus vaccine | 150 | 150 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 140 | 140 | $72 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 106 | 81 | $122 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 77 | 58 | $54 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 13 | 13 | $152 |
In context: peer comparison
Among 4 peers in Scottdale Family Medicine Physician, average services per provider: 100. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,376
Patients
1,432
Total drug cost
$75,415
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 727 | 170 | $12,341 |
| Amlodipine Besylate | Generic | 559 | 154 | $4,581 |
| Simvastatin | Generic | 479 | 126 | $5,865 |
| Rosuvastatin Calcium | Generic | 435 | 116 | $10,091 |
| Atorvastatin Calcium | Generic | 433 | 120 | $6,127 |
| Lisinopril | Generic | 430 | 122 | $3,979 |
| Metformin Hcl | Generic | 382 | 107 | $3,215 |
| Hydrochlorothiazide | Generic | 335 | 98 | $2,312 |
| Pravastatin Sodium | Generic | 323 | 82 | $7,456 |
| Escitalopram Oxalate | Generic | 239 | 65 | $3,114 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Williams's medical specialty?
Dr. Mark Williams practices Family Medicine Physician in Scottdale, PA.
Where does Dr. Mark Williams practice?
Dr. Mark Williams practices at 305 Everson Ave, Scottdale, PA 156831512. Office phone: 7248874550.
What is Dr. Mark Williams's NPI?
Dr. Mark Williams's National Provider Identifier (NPI) is 1215920186, issued by NPPES.
Does Dr. Mark Williams accept Medicare assignment?
Yes. Dr. Mark Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.