Ellen Corn Bitzer, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

53981 Issued in CA

Practice address

12301 Wilshire Blvd Ste 100
Los Angeles, CA 90025-1000

Phone

(310) 500-2045

Fax

(415) 252-7176

NPI assigned

Apr 18, 2017

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

Other names 1

• Ellen Corn Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

One Medical Seniors Group IncGroup PAC ID 1759769151, 53 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

90.42 of 100Reported as group

Quality

96.07

Promoting interoperability

100

Improvement activities

40

Cost

71.98

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

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.

• One Medical Seniors Group, Inc.

  dba One Medical

  • Family Medicine Physician
  • Beverly Hills, CA
  • NPI 1760130413
  Medicare reassignment Care Compare group
• Providence Saint Johns Medical Foundation

  dba Saint John's Physician Partners

  • Specialist
  • Santa Monica, CA
  • NPI 1770093734
  Medicare reassignment

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

{
    "created_epoch": "1492473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742169600000",
    "number": "1083148811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12301 WILSHIRE BLVD STE 100",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900251000",
            "telephone_number": "310-500-2045",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BITZER",
        "first_name": "ELLEN",
        "middle_name": "CORN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-18",
        "last_updated": "2025-03-17",
        "certification_date": "2025-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "53981",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ELLEN",
            "last_name": "CORN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Alyssa Bittar
• Michelle Bitten, FNP
• Moshe Bitterman, MD
• Ava Bittner, O.D.
• Doreen Bitton
• Jody Bivians
• Bixby Mental Health Inc.
• Sheila Bixby, MFT
• Biyan Yang DDS Inc
• Shira Amor Bizaoui, CRNA

• Physician Assistant in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 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.