Rachel Alyson Oken, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

AC004424 Issued in MD

Practice address

4320 Seminary Road
Alexandria, VA 22304-3556

Phone

(703) 504-3789

Fax

(703) 295-9369

NPI assigned

Dec 18, 2012

Last updated

Apr 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in DC, VA, MD, CO4 enrollments

Enrollment records 4

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Georgetown University School of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anesthesia Assoc of MarylandGroup PAC ID 7012106610, 15 clinicians

Northstar Anesthesia of Virginia, LLCGroup PAC ID 6608268826, 407 clinicians

Anesthesia Company LLCGroup PAC ID 4587559026, 373 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tidalhealth Peninsula Regional, Inc Hospital, Salisbury, MD, CCN 210019
• Inova Mount Vernon Hospital Hospital, Alexandria, VA, CCN 490122

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northstar Anesthesia of Virginia, LLC

  • Anesthesiology Physician
  • Alexandria, VA
  • NPI 1194488791

  DC

  Medicare reassignment Care Compare group NPD
• Anesthesia Company, LLC

  • Anesthesiology Physician
  • Annapolis, MD
  • NPI 1871548156

  DC, Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• Anesthesia Assoc of Maryland

  • Anesthesiology Physician
  • Salisbury, MD
  • NPI 1437464120
  Medicare reassignment Care Compare group
• American Anesthesiology of Virginia PC

  • Anesthesiology Physician
  • Falls Church, VA
  • NPI 1417994872

  DC

  Medicare reassignment NPD
• Outpatient Anesthesia Services of Reston, LTD

  • Anesthesiology Physician
  • Reston, VA
  • NPI 1376654434

  DC

  Medicare reassignment NPD
• Reston Anesthesia Associates, PC

  • Anesthesiology Physician
  • Reston, VA
  • NPI 1932210093

  DC

  Medicare reassignment NPD
• Capitol Anesthesia Associates, LTD

  • Anesthesiology Physician
  • Germantown, MD
  • NPI 1194106955

  DC

  Medicare reassignment NPD
• Cumberland Anesthesia Ams LLC

  • Anesthesiology Physician
  • Pensacola, FL
  • NPI 1033531785

  MD, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• US Anesthesia Partners of Colorado Inc.

  • Anesthesiology Physician
  • Greenwood Village, CO
  • NPI 1922365782

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• North American Partners in Anesthesia Maryland LLC

  • Anesthesiology Physician
  • Prince Frederick, MD
  • NPI 1093707879
  Medicare reassignment
• American Anesthesiology of Virginia, PC

  • Anesthesiology Physician
  • Leesburg, VA
  • NPI 1053675199
  NPD

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

• Inova Health Care Services

  dba Inova Mount Vernon Hospital

  • General Acute Care Hospital
  • Alexandria, VA
  • NPI 1922139120
  Care Compare affiliation
• Tidalhealth Peninsula Regional, Inc.

  • General Acute Care Hospital
  • Salisbury, MD
  • NPI 1780689463
  Care Compare affiliation

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

{
    "created_epoch": "1355788800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1699011742",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "68 SOUTH SERVICE ROAD",
            "address_2": "SUITE 300",
            "city": "MELVILLE",
            "state": "NY",
            "postal_code": "117472358",
            "telephone_number": "516-945-3000",
            "fax_number": "516-945-3131"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4320 SEMINARY ROAD",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223043556",
            "telephone_number": "703-504-3789",
            "fax_number": "703-295-9369"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OKEN",
        "first_name": "RACHEL",
        "middle_name": "ALYSON",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-12-18",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "VA",
            "license": "0024170676",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MD",
            "license": "AC004424",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1699011742",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• George Oware Ofosu, PHARMD
• Saman Oghlidos, RPH
• Ogochukwu Ogoegbunam
• Anne N Ohumay, BSC, RPH
• Kenneth Okah, PHARMD
• Ernie Okorie
• Eno Akua Okyere
• Rebecca I Olatunji, RN
• Old Dominion Pharmacy LLC
• Old Town Alexandria Chiropractic LLC

• Certified Registered Nurse Anesthetist in Alexandria, VA
• Providers in Alexandria, VA by specialty
• Certified Registered Nurse Anesthetist in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.