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

Dan F Criswell, MD

Individual provider Family Medicine Physician · NPI 1043250103

Dan F Criswell, MD is an Addiction Medicine in Duncan, Oklahoma. Graduated from University of Oklahoma College of Medicine in 1977, 49 years ago. Practices with Duncan Regional Hospital, Inc, a 67-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
49
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2601 W Elk Ave
Duncan, OK 73533-1572
Phone: (580) 251-6644
Fax: (580) 251-6645
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2515 W Elk Ave, Duncan, OK 73533-1571 — (580) 252-6080

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence 12155 (OK)
Family Medicine Physician Taxonomy 207Q00000X · Licence 12155 (OK)

Record details

NPI number1043250103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESDecember 9, 2019
Certification dateDecember 9, 2019

Medicare enrollment

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

Medicare specialtyADDICTION MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Duncan Regional Hospital, Inc — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations12 on file with Medicare

Other providers in Duncan