Physician Profile
Unclaimed ProfileAbout WILLIAMSON
Thomas B Williamson, MD is a healthcare provider in Huron, OH specializing in internal medicine. Thomas trained at University of Rochester School of Medicine and Dentistry, graduating in 1977. Medicare claims data shows Thomas provided 1,671 services to 782 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (419) 433-5222
- Email not available
Practice Locations
300 WILLIAMS ST
Huron, OH 44839
Procedures Most Often Billed to Medicare
1,671 services · 782 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
284 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
40 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
320 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
307 |
| Blood test, clotting time | Lab test | 85610 |
293 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
176 |
| Hemoglobin a1c level | Lab test | 83036 |
147 |
| Administration of influenza virus vaccine | Billing code | G0008 |
41 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
18 |
| Automated urinalysis test | Lab test | 81003 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1977 at University of Rochester School of Medicine and Dentistry 8
Providers who graduated from the same medical school in the same year.
Also performs Anticoagulant management of patient taking warfarin 8
Providers in OH who bill this service to Medicare most often.
Common questions
What does Dr. Williamson specialize in?
Dr. Williamson is an internal medicine in Huron, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Williamson located?
Dr. Williamson is listed at 300 WILLIAMS ST, Huron, OH 44839. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williamson's phone number?
The number on file is (419) 433-5222. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williamson?
Dr. Williamson's National Provider Identifier is 1295774461. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Williamson go to medical school?
Dr. Williamson attended University of Rochester School of Medicine and Dentistry, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williamson have?
Dr. Williamson has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williamson do most often?
According to Medicare billing data, Dr. Williamson provides treatments such as anticoagulant management of patient taking warfarin and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williamson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.