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Edit this profileAt a glance
- 1240 E 100 S, Suite 15A, Saint George, UT 84790
About Dr. Callahan
Based in Saint George, UT, Thomas D. Callahan, M.D. is listed in the NPI registry under family medicine. Thomas graduated from University of Utah School of Medicine in 1975. Medicare claims data shows Thomas provided 2,210 services to 1,439 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and insertion of needle into vein for collection of blood sample. NPI 1043328123 identifies this record in the national registry.
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
- (435) 656-5323
- Email not available
Practice Locations
1240 E 100 S SUITE 15A
Saint George, UT 84790
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
Bariatrics
Cancer Prevention
Cancer risk
Digestive
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Wounds & skin
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Addiction & habits
Bladder & bowel
Breathing
Cancer Screening
Cancer screening
Checkups & exams
Chronic illness
Diagnostic testing
Diagnostic Tests
- COVID-19 Rapid Test
- COVID-19 testing
- Rapid Flu Swab
- Rapid Strep and Flu Swabs
- Urine Pregnancy Test
- Urine Drug Screen
Diagnostics & screening
Environmental health
Exams
Exams & Screenings
Fitness & body composition
Foot and Leg Pain
Heart & Circulation
Heart & circulation
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Metabolic health
Minor Procedures
Occupational health
Occupational Health
Office procedures
- Minor laceration repair
- Removal of a minor skin lesion
- Superficial foreign-body removal
- Earwax removal
- Incision and drainage of an abscess
Post-Op Care
Preventive and evaluation
Preventive Care
Preventive imaging
Preventive interventions
- Vaccinations and immunizations
- Weight-management counseling
- Birth control counseling
- Smoking cessation counseling
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
Screening and testing
- Blood pressure screening
- Diabetes and prediabetes screening
- Point-of-care laboratory testing
- Cholesterol screening
- Depression screening
- EKG
Skin Procedures
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
Wellness
Wellness & Screening
Wellness & Weight
Women's Health
Workplace health
Wound care
Wounds & skin
Sleep
Most searched procedures
Injections
Lungs & Breathing
Pain Management
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
2,210 services · 1,439 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
205 | More often than most peers in Family Medicine |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
96 | More often than most peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
125 | More often than most peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
79 | More than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
16 | Less often than most peers in Family Medicine |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
108 | As often as other peers in Family Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
53 | As often as other peers in Family Medicine |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
52 | Less often than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
407 | More than most peers in Family Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
259 | More 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 at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other family doctors in Saint George 8
Same specialty, same city.
Trained at University of Utah School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at University of Utah School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 7
Providers in UT who bill this service to Medicare most often.
Common questions
What is Thomas D. Callahan's specialty?
Thomas D. Callahan is a family doctor in Saint George, UT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where can I find Thomas D. Callahan?
Thomas D. Callahan is listed at 1240 E 100 S Suite 15A, Saint George, UT 84790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Thomas D. Callahan?
The number on file is (435) 656-5323. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Thomas D. Callahan?
Thomas D. Callahan's National Provider Identifier is 1043328123. 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
What is Thomas D. Callahan's education?
Thomas D. Callahan attended University of Utah School of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Thomas D. Callahan have?
Thomas D. Callahan has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What is Thomas D. Callahan known for?
According to Medicare billing data, Thomas D. Callahan performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as limited ultrasound scan behind abdominal cavity; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Thomas D. Callahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas D. Callahan. If this is you, claiming it is free.
Guide.md
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