Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARLENE V. TAN M.D.
NPI 1073556296
Pediatrics - Neonatal-Perinatal Medicine in Newport Beach, CA

Q: What is Marlene Tan's NPI number?

The NPI number for Marlene Tan is 1073556296. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Q: What is Marlene Tan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Marlene Tan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 14, 2006

1 HOAG DR, HOAG PRESBYTERIAN HOSPITAL, NEWPORT BEACH, CA 92658(949) 764-8598(949) 764-5802 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Marlene V. Tan M.d. NPPES

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

DR. MARLENE V. TAN M.D. (NPI 1073556296) is an individual neonatal-perinatal medicine provider in Newport Beach, California, licensed in California (C043019) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1073556296

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameDR. MARLENE V. TANCredential: M.D.

Location Address1 HOAG DR, HOAG PRESBYTERIAN HOSPITALNewport Beach, CA 92658

Mailing Address1412 Garcia PlPlacentia, CA 92870-7208 · (714) 528-2405 · Fax (714) 528-2405

Phone(949) 764-8598

Fax(949) 764-5802

Sole ProprietorNo

Enumeration DateJune 14, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1073556296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in CA · C043019

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.

1 HOAG DR, Newport Beach, CA 92658

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marlene Tan's NPI number?

The NPI number for Marlene Tan is 1073556296. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Marlene Tan located?

Marlene Tan practices at 1 Hoag Dr Hoag Presbyterian Hospital, Newport Beach, CA 92658. The listed phone number is (949) 764-8598.

What is Marlene Tan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

When was this NPI record last updated?

The NPPES record for Marlene Tan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.