Stefanie Jill Fightlin, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A7879 Issued in CA

Practice address

26991 Crown Valley Pkwy
Mission Viejo, CA 92691-6528

Phone

(949) 582-5430

Fax

(949) 348-9513

NPI assigned

Jun 21, 2005

Last updated

Nov 16, 2025By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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 1

Specialty

Family Practice

Education

College of Osteopathic Physicians and Surgeons of Los Angeles, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Centers for Family Medicine GPGroup PAC ID 9931143799, 87 clinicians

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: sfightlin195414@westdirect.optum.com
• Direct secure messaging: stefanie.fightlin.p33@direct.monarchhealthcare.nextgenshare.com

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.

• Centers for Family Medicine GP

  dba Optumcare Medical Group

  • Family Medicine Physician
  • Los Alamitos, CA
  • NPI 1467598243
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Stefanie Jill Fightlin DO Inc

  • Family Medicine Physician
  • Mission Viejo, CA
  • NPI 1841590742
  Authorized official Same address or phone
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)
• Talbert Medical Group, P.C.

  dba Talbert Medical Group

  • Internal Medicine Physician
  • Fountain Valley, CA
  • NPI 1528069176

  Family Medicine

  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  dba Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1992752315
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1119312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763251200000",
    "number": "1386640746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26991 CROWN VALLEY PKWY",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926916528",
            "telephone_number": "949-582-5430",
            "fax_number": "949-348-9513"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIGHTLIN",
        "first_name": "STEFANIE",
        "middle_name": "JILL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-06-21",
        "last_updated": "2025-11-16",
        "certification_date": "2025-11-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A7879",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph James Ferris, RPH
• Justin John Fesler, DPT
• Evan Day Fewsmith, PSY.D, LMFT
• Fielat Sandu Dental Practice
• Daniel Smart Fife, DDS
• Stacy Ann Fikert, M.D.
• Julie Ilene Fingersh, M.S., CCC-SLP
• Erik Finlayson, M.D.
• Micaela Finlayson, ND
• Evan Thomas Finley

• Family Medicine Physician in Mission Viejo, CA
• Providers in Mission Viejo, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 16, 2025; 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.