Sheri D Christian-Armstrong, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

OS21162 Issued in FL

Practice address

1201 E Ross Byp
Tahlequah, OK 74464

Phone

(918) 456-2575

NPI assigned

Jan 24, 2014

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in OK, IA, CO, NM, NV, FL, GA, ID, WI9 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 9

Specialty

Internal Medicine

Education

Oklahoma State University College of Osteopathic Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Origin Healthcare PCGroup PAC ID 3072917293, 4 clinicians

Villages Regional Hospital Physician Services LLCGroup PAC ID 0244688893, 198 clinicians

Walter Knox Memorial HospitalGroup PAC ID 7012907785, shared by 3 NPIs, 21 clinicians

Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uf Health Shands Hospital Hospital, Gainesville, FL, CCN 100113
• Huggins Hospital Hospital, Wolfeboro, NH, CCN 301312
• Valor Health Hospital, Emmett, ID, CCN 131318
• Thedacare Regional Medical Center - Appleton Inc Hospital, Appleton, WI, CCN 520160

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

Interoperability endpoints

• Direct secure messaging: schristianarmstrong719781@direct.shands.ufl.edu
• Direct secure messaging: schristianarmstrong228719@direct.phs.org
• FHIR API: https://fhir-myrecord.cerner.com/r4/eb237299-e2be-4fd4-aca6-5fa7adcd28c1/
• Direct secure messaging: schristianarmstrongdo430671@carlehiedirect.net
• Direct secure messaging: sheri.christian-armstrong.1@22898.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Thedacare, Incorporated

  • Family Medicine Physician
  • New London, WI
  • NPI 1376656959

  OK

  Medicare reassignment Care Compare group NPD
• Villages Regional Hospital Physician Services LLC

  • Surgery Physician
  • Leesburg, FL
  • NPI 1700669926
  Medicare reassignment Care Compare group NPD
• Origin Healthcare PC

  • Internal Medicine Physician
  • Windsor, CO
  • NPI 1770256737

  NV

  Medicare reassignment Care Compare group
• Integris Ambulatory Care Corporation

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1750333936

  Internal Medicine

  Medicare reassignment NPD
• Carle Health Care Incorporated

  • Internal Medicine Physician
  • Urbana, IL
  • NPI 1154653947

  OK

  Medicare reassignment NPD
• Henry County Health Center Inc

  • General Practice Physician
  • Mount Pleasant, IA
  • NPI 1871177477

  OK

  Medicare reassignment NPD
• Piedmont Hospitalist Physicians LLC

  • Family Medicine Physician
  • Stockbridge, GA
  • NPI 1548219660

  Internal Medicine

  Medicare reassignment NPD
• Presbyterian Healthcare Services

  • Internal Medicine Physician
  • Albuquerque, NM
  • NPI 1104802354
  Medicare reassignment NPD
• Trinity Regional Medical Center

  • Emergency Medicine Physician
  • Fort Dodge, IA
  • NPI 1073594156

  Hospitalist

  Medicare reassignment NPD
• Unitypoint Health - Marshalltown

  • Emergency Medicine Physician
  • Marshalltown, IA
  • NPI 1164957593
  Medicare reassignment NPD
• Walter Knox Memorial Hospital

  • Critical Access Hospital
  • Emmett, ID
  • NPI 1063419018
  Medicare reassignment NPD
• Methodist Medical Center of Illinois

  • Family Medicine Physician
  • Peoria, IL
  • NPI 1184670663

  OK

  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Huggins Hospital

  • Critical Access Hospital
  • Wolfeboro, NH
  • NPI 1366476079
  Care Compare affiliation
• Huggins Hospital

  • Family Medicine Physician
  • Moultonborough, NH
  • NPI 1639166077

  Hospital

  Care Compare affiliation
• Huggins Hospital

  • Family Medicine Physician
  • Alton, NH
  • NPI 1871534792

  Hospital

  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Gainesville, FL
  • NPI 1083403661
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Gainesville, FL
  • NPI 1144019720
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Alachua, FL
  • NPI 1306717889
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Gainesville, FL
  • NPI 1396616876
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Newberry, FL
  • NPI 1477424943
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Gainesville, FL
  • NPI 1699874248
  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • Radiology Clinic/Center
  • Ocala, FL
  • NPI 1942031232

  Hospital

  Care Compare affiliation
• Shands Teaching Hospital and Clinics Inc

  • General Acute Care Hospital
  • Ocala, FL
  • NPI 1992542369
  Care Compare affiliation
• Thedacare Regional Medical Center - Appleton, Inc

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1740920909
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1390521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1679996706",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 100238",
            "city": "GAINESVILLE",
            "state": "FL",
            "postal_code": "326100238",
            "telephone_number": "352-294-8278"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 E ROSS BYP",
            "city": "TAHLEQUAH",
            "state": "OK",
            "postal_code": "74464",
            "telephone_number": "918-456-2575"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1600 SW Archer Rd",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "FL",
            "postal_code": "326103003",
            "country_code": "US",
            "telephone_number": "352-294-8278",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 2nd St",
            "address_purpose": "LOCATION",
            "city": "Neenah",
            "state": "WI",
            "postal_code": "549562883",
            "country_code": "US",
            "telephone_number": "920-735-7645",
            "fax_number": "920-735-7618",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2100 NW 35th Avenue Rd",
            "address_purpose": "LOCATION",
            "city": "Ocala",
            "state": "FL",
            "postal_code": "344754630",
            "country_code": "US",
            "telephone_number": "352-280-7400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1818 N Meade St",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "549113454",
            "country_code": "US",
            "telephone_number": "920-735-7645",
            "fax_number": "920-735-7618",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHRISTIAN-ARMSTRONG",
        "first_name": "SHERI",
        "middle_name": "D",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-01-24",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "3124",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "OS21162",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "5539",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "3124",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mkena Nicole Chitwood
• Katherine Chojnacki
• Nolan Chojnacki, LPC
• Jaclyn Michelle Chrestman, M.S.
• Amy E Christensen, APRN, CNM, WHNP-BC
• Katelynn Jordan Churches
• Cindy Ann Clark
• Jon Douglas Clark
• Michael P Clark
• Rachel Elizabeth Clinton

• Internal Medicine Physician in Tahlequah, OK
• Providers in Tahlequah, OK by specialty
• Internal Medicine Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.