Vivien L Pan, M.D.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

A71280 Issued in CA

Practice address

27800 Medical Center Rd
Ste 100
Mission Viejo, CA 92691-6410

Phone

(949) 364-4428

Fax

(949) 364-4230

NPI assigned

Sep 20, 2006

Last updated

Oct 30, 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 2

Addresses

Other identifiers 2

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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

• Marvin D Posner M D and Vivien L Pan M D a Medical Corporation

  dba Perinatal Associates of Orange County

  • Neonatal-Perinatal Medicine Physician
  • Mission Viejo, CA
  • NPI 1609976414
  Medicare reassignment Authorized official
• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • Rehabilitation Hospital
  • Mission Viejo, CA
  • NPI 1003956913
  NPD (past)
• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  NPD (past)
• Usc Care Medical Group, Inc

  dba Fair Oaks Clinic

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD (past)
• Usc Obstetricians and Gynecologists, Inc.

  • Obstetrics & Gynecology Physician
  • Pasadena, CA
  • NPI 1992740450

  Maternal & Fetal Medicine

  NPD (past)

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1902903164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 29482",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631267482"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27800 MEDICAL CENTER RD",
            "address_2": "STE 100",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926916410",
            "telephone_number": "949-364-4428",
            "fax_number": "949-364-4230"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAN",
        "first_name": "VIVIEN",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-20",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CA",
            "license": "A71280",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "CA",
            "license": "A71280",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A712800",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "A71280",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rebecca Ann Pak, CPNP-PC
• Rakhi Bhatia Paleker, PA-C
• Michelle Halenda Palmer, PA-C
• Sylvain Palmer, MD
• Pamilya Home Health LLC (FirstLight Home care)
• Kumudini Panchal, D.M.D.
• Kristi Nicole Panek, AU.D.
• Par Plus, Inc.
• Noel Paredes, COTA/L
• Cindy J Park, D.D.S.

• Neonatal-Perinatal Medicine Physician in Mission Viejo, CA
• Providers in Mission Viejo, CA by specialty
• Neonatal-Perinatal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.