MARVIN D POSNER M D AND VIVIEN L PAN M D A MEDICAL CORPORATION
NPI 1609976414
Pediatrics - Neonatal-Perinatal Medicine in Mission Viejo, CA

Q: What is the provider's specialty?

The provider's specialty is Pediatrics with taxonomy code 2080N0001X and a focus in Neonatal-Perinatal Medicine.

Active since September 22, 2006

27800 MEDICAL CENTER RD, STUITE #100, MISSION VIEJO, CA 92691(949) 364-1400 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 30, 2025, Aug 15, 2019 (2 updates tracked since 2019).

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About Marvin D Posner M D And Vivien L Pan M D A Medical Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARVIN D POSNER M D AND VIVIEN L PAN M D A MEDICAL CORPORATION (NPI 1609976414), doing business as Perinatal Associates Of Orange County, is a healthcare organization registered as a neonatal-perinatal medicine in Mission Viejo, California and active in the NPI registry since September 2006. The organization lists Vivien L Pan, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1609976414

Entity TypeOrganization

Primary Taxonomy2080N0001X

Legal Business NameMARVIN D POSNER M D AND VIVIEN L PAN M D A MEDICAL CORPORATION

Location Address27800 MEDICAL CENTER RD, STUITE #100Mission Viejo, CA 92691-6410

Mailing AddressPo Box 29482Saint Louis, MO 63126-7482 · (949) 643-3345 · Fax (949) 643-3560

Phone(949) 364-1400

Organization SubpartNo

Authorized OfficialVivien L PanMd/owner · (949) 364-4228

Enumeration DateSeptember 22, 2006

Last NPPES UpdateDecember 30, 20252 updates tracked since enumeration

NPPES CertifiedDecember 30, 2025

✔ NPI 1609976414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

27800 MEDICAL CENTER RD, Mission Viejo, CA 92691

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Other Names 1

Doing Business AsPerinatal Associates Of Orange County

Other Identifiers 3

Medicaid0102310CA

MedicaidGR0102310CA

OtherZZZ66789ZCA · Ca Blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP