Anna Trtchounian, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A190716 Issued in CA

Practice address

100 W California Blvd
Pasadena, CA 91105-3010

Phone

(855) 522-7898

NPI assigned

Mar 28, 2018

Last updated

Nov 25, 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

Emergency Medicine

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

HMH Emergency Medical Group, Inc.Group PAC ID 7911800826, 56 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Huntington Hospital Hospital, Pasadena, CA, CCN 050438
• Hollywood Presbyterian Medical Center Hospital, Los Angeles, CA, CCN 050063
• Valley Presbyterian Hospital Hospital, Van Nuys, CA, CCN 050126

Merit-based Incentive Payment System (MIPS)

Final score

92.41 of 100Reported as group

Quality

79.31

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• HMH Emergency Medical Group, Inc.

  • Emergency Medicine Physician
  • Pasadena, CA
  • NPI 1659383024
  Medicare reassignment Care Compare group NPD
• Golden State Emergency Physicians Inc

  • Emergency Medicine Physician
  • Los Angeles, CA
  • NPI 1770886558
  Medicare reassignment NPD
• Hollywood Presbyterian Emergency Medical Associates, Inc.

  • Emergency Medicine Physician
  • Los Angeles, CA
  • NPI 1972826931
  Medicare reassignment NPD
• Valley Presbyterian Emergency Medical Associates

  • Emergency Medicine Physician
  • Van Nuys, CA
  • NPI 1033133103
  Medicare reassignment NPD
• Exer Medical Corporation

  dba Exer Urgent Care

  • Urgent Care Clinic/Center
  • Calabasas, CA
  • NPI 1588901532
  Medicare reassignment

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

• Cha Hollywood Medical Center, LP

  dba Hollywood Presbyterian Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1922033547
  Care Compare affiliation
• Pasadena Hospital Association, LTD

  dba Huntington Hospital

  • General Acute Care Hospital
  • Pasadena, CA
  • NPI 1407828429
  Care Compare affiliation
• Valley Presbyterian Hospital

  • General Acute Care Hospital
  • Van Nuys, CA
  • NPI 1578529285
  Care Compare affiliation

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

{
    "created_epoch": "1522195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1326543513",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 60259",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900600259",
            "telephone_number": "877-346-2211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 W CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053010",
            "telephone_number": "855-522-7898"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15107 Vanowen St",
            "address_purpose": "LOCATION",
            "city": "Van Nuys",
            "state": "CA",
            "postal_code": "914054542",
            "country_code": "US",
            "telephone_number": "818-782-6600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRTCHOUNIAN",
        "first_name": "ANNA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-28",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A190716",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Juanita Ester Trivino, LMFT
• Trivium Delta Psychology Group Professional Corporation
• Jeffrey Trochez
• Melissa Trochez, LMFT
• Kaitlyn Lindsey Trotter
• Kathryn Grace Truitt, PH.D.
• Annelise Trujillo Reny
• Christopher Steven Trujillo, M.A
• Hannah Trujillo
• Jaquelin Trujillo

• Emergency Medicine Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 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.