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

David C Walker, DO

Individual provider Internal Medicine Physician · NPI 1639142508

David C Walker, DO is an Internal Medicine in Sheridan, Wyoming. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1994, 32 years ago. Practices with Big Horn Health Network, a 82-clinician group, accepts Medicare assignment and offers telehealth. Licensed in South Dakota and Wyoming.

Years since qualifying
32
Trained at
Des Moines University of Osteopathic Medicine and Health Sciences
Licensed in
SD, WY
In the registry since
2006
Specialties on file
2
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.

See every abbreviation used in this directory →

Practice location Address checks out

1333 W 5th St Ste 112
Sheridan, WY 82801-2752
Phone: (307) 675-2650
Fax: (307) 675-2651
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence TL2282 (WY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4231 (SD)

Record details

NPI number1639142508
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESMay 11, 2021
Certification dateApril 14, 2021
Mailing address1333 W 5th St, Ste 110, Sheridan, WY 82801-2752

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolDES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduated 1994 (32 years in practice)
Group practice Big Horn Health Network — 82 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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