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Edit this profileAt a glance
- 500 Highway 37 S, Mount Vernon, TX 75457
About Dr. Hamilton
Mark J. Hamilton, MD is a healthcare provider in Mount Vernon, TX specializing in family medicine. Mark trained at University of Oklahoma College of Medicine, graduating in 2007. Medicare claims data shows Mark provided 445 services to 370 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and emergency department visit with high level of medical decision making. This provider record is associated with NPI 1689889255.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (903) 537-8000
- Email not available
Practice Locations
500 HIGHWAY 37 S
Mount Vernon, TX 75457
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
- High blood pressure
- High cholesterol
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
- Gout
- Heel pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
- Acne
- Eczema
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
- Blood Pressure Check
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
445 services · 370 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
121 | More often than most peers in Family Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
131 | More often than most peers in Family Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
110 | As often as other peers in Family Medicine |
| 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 | More often than most peers in Family Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
24 | Less often than most peers in Family Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 | Less often than most peers in Family Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 | Less often than most peers in Family Medicine |
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 family doctors in Mount Vernon 4
Same specialty, same city.
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.
Common questions
What does Dr. Hamilton specialize in?
Dr. Hamilton is a family doctor in Mount Vernon, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dr. Hamilton located?
Dr. Hamilton is listed at 500 Highway 37 S, Mount 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. Contact the office directly to confirm availability and scheduling.
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
Guide.md listings do not constitute medical advice or an endorsement.