Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Callum Graham McCormick, MS, DO

Individual provider Internal Medicine Physician · NPI 1831551589

Callum Graham McCormick, MS, DO is an Internal Medicine in Irving, Texas. Qualified in 2016, 10 years ago. Practices with Medical Clinic of North Texas, PLLC, a 215-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
10
Licensed in
TX
In the registry since
2016
What do these letters mean?
MS — Master of Science
A graduate science degree.
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

6161 N State Highway 161 Ste 200
Irving, TX 75038-2220
Phone: (972) 258-7499
Fax: (972) 870-7303
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence S2413 (TX)

Record details

NPI number1831551589
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , DO
Sole proprietorNo
NPI enumeratedMarch 22, 2016
Last updated in NPPESOctober 3, 2024
Certification dateOctober 3, 2024
Mailing address6161 N State Highway 161 Ste 200, Irving, TX 75038-2220

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Medical Clinic Of North Texas, Pllc — 215 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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