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

Sheri D Christian-Armstrong, DO

Individual provider Hospitalist Physician · NPI 1679996706

Sheri D Christian-Armstrong, DO is an Internal Medicine in Tahlequah, Oklahoma. Graduated from Oklahoma State University College of Osteopathic Medicine in 2013, 13 years ago. Practices with Origin Healthcare PC, a 4-clinician group, works from 5 locations, accepts Medicare assignment and offers telehealth. Licensed in Florida, Oklahoma and Wisconsin.

Years since qualifying
13
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
FL, OK, WI
In the registry since
2014
Specialties on file
4
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

1201 E Ross Byp
Tahlequah, OK 74464
Phone: (918) 456-2575
Show map & directions

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

Additional practice locations (4)

  • 1600 Sw Archer Rd, Gainesville, FL 32610-3003 — (352) 294-8278
  • 2100 Nw 35th Avenue Rd, Ocala, FL 34475-4630 — (352) 280-7400
  • 1818 N Meade St, Appleton, WI 54911-3454 — (920) 735-7645
  • 130 2nd St, Neenah, WI 54956-2883 — (920) 735-7645

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS21162 (FL)
Hospitalist Physician Taxonomy 208M00000X · Licence 3124 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 5539 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence 3124 (WI)

Record details

NPI number1679996706
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 24, 2014
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2013 (13 years in practice)
Group practice Origin Healthcare Pc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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