Sheri Christian-Armstrong, DO
NPI 1679996706 · Internal Medicine Physician · Tahlequah, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheri Christian-Armstrong, DO is a Internal Medicine Physician provider in Tahlequah, OK (NPI 1679996706).
Provider details
- NPI number
- 1679996706
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 3124 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
126 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 61 | $73 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $124 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 23 | $106 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 17 | $106 |
Typical Medicare-allowed amounts for these services range $73–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 1818 N Meade StAppleton, WI 54911-3454Phone: (920) 735-7645Fax: (920) 735-7618
- 130 2nd StNeenah, WI 54956-2883Phone: (920) 735-7645Fax: (920) 735-7618
Registry dates
- Enumerated
- 2014-01-24
- Last updated
- 2025-02-27
- Certified
- 2025-02-27
Frequently asked questions
- What is Sheri Christian-Armstrong's NPI number?
- Sheri Christian-Armstrong's National Provider Identifier (NPI) is 1679996706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheri Christian-Armstrong's specialty?
- Sheri Christian-Armstrong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sheri Christian-Armstrong located?
- Sheri Christian-Armstrong's practice location on file with NPPES is 1201 E Ross Byp, Tahlequah, OK 74464.
- What is Sheri Christian-Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Sheri Christian-Armstrong is (918) 456-2575.
- Does Sheri Christian-Armstrong accept Medicare?
- Sheri Christian-Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheri Christian-Armstrong's NPI active?
- Yes — Sheri Christian-Armstrong's NPI (1679996706) is active in the NPPES registry as of the last update on 2025-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.