Doctor profile · Federal record
Dr. Thomas Williamson, MD
Internal Medicine Physician (CMS: Internal Medicine) · Huron, OH
- NPI 1295774461
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Williams St
Huron, OH 448391648
(419) 433-5222
fax (419) 433-8214 - Mailing address
-
1031 Pierce Street, Suite D
Sandusky, OH 44870
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 11, 2012
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35-04-3844-W
- Medicaid
- OH #0472500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295774461. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,543
Distinct HCPCS
10
Medicare allowed
$89,423
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 539 | 402 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 503 | 214 | $83 | |
85610 |
Blood test, clotting time | 371 | 25 | $4 | |
93793 |
Anticoagulant management of patient taking warfarin | 358 | 25 | $11 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 219 | 138 | $68 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 160 | 160 | $44 | |
83036 |
Hemoglobin a1c level | 150 | 64 | $10 | |
G0008 |
Administration of influenza virus vaccine | 55 | 55 | $25 | |
90662 |
Influenza vaccine split virus, preservative free | 53 | 53 | $72 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 31 | 23 | $49 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 158. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$13
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 1 | $13.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,466
Patients
821
Total drug cost
$34,814
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 346 | 92 | $3,955 |
| Amlodipine Besylate | Generic | 344 | 80 | $2,081 |
| Levothyroxine Sodium | Generic | 342 | 77 | $4,038 |
| Metformin Hcl | Generic | 303 | 76 | $2,532 |
| Lisinopril | Generic | 272 | 65 | $1,745 |
| Hydrochlorothiazide | Generic | 256 | 72 | $1,164 |
| Omeprazole | Generic | 253 | 58 | $2,963 |
| Simvastatin | Generic | 247 | 51 | $2,060 |
| Losartan Potassium | Generic | 246 | 63 | $3,145 |
| Metoprolol Succinate | Generic | 206 | 48 | $4,233 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Williamson's medical specialty?
Dr. Thomas Williamson practices Internal Medicine Physician in Huron, OH.
Where does Dr. Thomas Williamson practice?
Dr. Thomas Williamson practices at 300 Williams St, Huron, OH 448391648. Office phone: 4194335222.
What is Dr. Thomas Williamson's NPI?
Dr. Thomas Williamson's National Provider Identifier (NPI) is 1295774461, issued by NPPES.
Does Dr. Thomas Williamson accept Medicare assignment?
Yes. Dr. Thomas Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Williamson commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Blood test, clotting time (HCPCS 85610). Source: CMS Medicare Physician & Other Practitioners file.