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

Douglas Dee Callahan, DO

Individual provider Family Medicine Physician · NPI 1265540355

Douglas Dee Callahan, DO is a Family Practice in St George, Utah. Qualified in 2000, 26 years ago. Practices with Callahan Clinic, PC, a 4-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
26
Licensed in
UT
In the registry since
2006
What do these letters mean?
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

1240 E 100 S Ste 15A
St George, UT 84790-3001
Phone: (435) 656-5323
Fax: (435) 656-5127
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5335922-1204 (UT)

Record details

NPI number1265540355
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 28, 2006
Last updated in NPPESJanuary 8, 2013

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Callahan Clinic, Pc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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