Physician Profile
Unclaimed ProfileAbout HAMILTON
Mark J Hamilton, MD is a healthcare provider in Mt Vernon, TX specialising in family practice. Mark trained at University of Oklahoma College of Medicine, graduating in 2007. Mark is also listed as specialising in family medicine.
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
Common questions
What does Dr. Hamilton specialise in?
Dr. Hamilton is a family practice in Mt Vernon, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Hamilton located?
Dr. Hamilton is listed at 500 HIGHWAY 37 S, Mt Vernon, TX 75457. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hamilton's phone number?
The number on file is (903) 537-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hamilton?
Dr. Hamilton's National Provider Identifier is 1689889255. 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. Hamilton go to medical school?
Dr. Hamilton attended University of Oklahoma College of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hamilton have?
Dr. Hamilton has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hamilton do most often?
According to Medicare billing data, Dr. Hamilton provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hamilton's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hamilton. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (903) 537-8000
- Email not available
Practice Locations
500 HIGHWAY 37 S
Mt Vernon, TX 75457
Procedures Most Often Billed to Medicare
445 services · 370 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
121 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
131 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
110 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
29 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
24 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Trained at University of Oklahoma College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at University of Oklahoma College of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.