Erin Fleckenstein, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

226523 Issued in OK

Practice address

700 NE 13TH St
Oklahoma City, OK 73104-5004

Phone

(405) 271-4700

NPI assigned

Feb 21, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in OK

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ou Health Partners IncGroup PAC ID 5991105876, 1,167 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• O U Medical Center Hospital, Oklahoma City, OK, CCN 370093

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Ou Health Partners, Inc

  • Multi-Specialty Clinic/Center
  • Oklahoma City, OK
  • NPI 1528642642
  Medicare reassignment Care Compare group NPD
• Ou Health Partners, Inc

  • Prosthetic/Orthotic Supplier
  • Oklahoma City, OK
  • NPI 1447834460
  NPD

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

• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  Care Compare affiliation

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

{
    "created_epoch": "1740096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1114723053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 NE 13TH ST",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045004",
            "telephone_number": "405-271-4700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 NE 13TH ST",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045004",
            "telephone_number": "405-271-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLECKENSTEIN",
        "first_name": "ERIN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-02-21",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "OH",
            "license": "RN.475854",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "OK",
            "license": "226523",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anne Marie Flanagan, RD/LD
• Rebecca Diane Flanagan, ATC
• Chris Flanary
• Kelly N Flannigan, PHARMD
• Terry Lynn Fleck, P.T.
• Luz Dary Fleenor
• Fleming Dental Co PLLC
• Edna Fleming
• Emily Dianne Fleming
• Hope Fleming

• Certified Registered Nurse Anesthetist in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Certified Registered Nurse Anesthetist in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.