Marcia Carolyn Oen, PA-C, MPH

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

Practice address

12401 Washington Blvd
Whittier, CA 90602-1006

Phone

(562) 698-0811

Fax

(562) 789-5902

NPI assigned

Oct 10, 2018

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

George Washington University School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pih Health PhysiciansGroup PAC ID 8426951328, 616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pih Health Hospital-Whittier Hospital, Whittier, CA, CCN 050169

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Pih Health Physicians

  • Family Medicine Physician
  • Whittier, CA
  • NPI 1609233899
  Medicare reassignment Care Compare group NPD
• Pih Health Physicians

  • Surgery Physician
  • Downey, CA
  • NPI 1255713566
  NPD
• Pih Health Physicians

  • Anesthesiology Physician
  • Downey, CA
  • NPI 1447931506
  NPD
• Bright Medical Associates, Inc.

  • Specialist
  • Whittier, CA
  • NPI 1578576880
  NPD (past)

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

• Pih Health Whittier Hospital

  • General Acute Care Hospital
  • Whittier, CA
  • NPI 1043215379
  Care Compare affiliation

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

{
    "created_epoch": "1539129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1174098727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12462 PUTNAM ST STE 500",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906021049",
            "telephone_number": "562-789-5449",
            "fax_number": "562-789-4449"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12401 WASHINGTON BLVD",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906021006",
            "telephone_number": "562-698-0811",
            "fax_number": "562-789-5902"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OEN",
        "first_name": "MARCIA",
        "middle_name": "CAROLYN",
        "credential": "PA-C, MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-10",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Payal Pandya Ocampo, PA-C
• Tracy N Ocampo, FNP-C
• Susana Ochoa-Valle, LCSW
• Maria Ochoa, RN
• Nicole Marie Ochotorena
• Michael Oest, CPO
• Zachary David Offman, DMD
• Cee London Ogbe
• Gordon Joungmok Oh, PHARM.D.
• Lauren Himeko Okamura, RD

• Surgical Physician Assistant in Whittier, CA
• Providers in Whittier, CA by specialty
• Surgical Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.