DR. MARRON CATHLEEN WONG M.D.
NPI 1871859843
Obstetrics & Gynecology in Fremont, CA

Active since April 04, 2012PECOS Enrolled
39400 PASEO PADRE PKWY, FREMONT, CA 94538(510) 248-3000 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Dec 17, 2021, Oct 17, 2018 (2 updates tracked since 2018).

About Dr. Marron Cathleen Wong M.d. NPPES

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

DR. MARRON CATHLEEN WONG M.D. (NPI 1871859843) is an individual obstetrics & gynecology provider in Fremont, California, licensed in California (A128208) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871859843
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARRON CATHLEEN WONGCredential: M.D.
Location Address39400 PASEO PADRE PKWYFremont, CA 94538-2310
Mailing Address39400 Paseo Padre PkwyFremont, CA 94538-2310
Sole ProprietorNo
Enumeration DateApril 4, 2012
Last NPPES UpdateDecember 17, 20212 updates tracked since enumeration
NPI 1871859843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in CA · A128208
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
39400 PASEO PADRE PKWY, Fremont, CA 94538

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Marron Cathleen Wong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Pharmacist
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Internal Medicine
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Registered Nurse (Women's Health Care, Ambulatory)
39400 PASEO PADRE PKWY, EMBARCADERO OB/GYN
FREMONT, CA 94538
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Internal Medicine
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Internal Medicine
39400 PASEO PADRE PKWY
FREMONT, CA 94538
Dietitian, Registered
39400 PASEO PADRE PKWY
FREMONT, CA 94538

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 Marron Wong's NPI number?

The NPI number for Marron Wong is 1871859843. It was assigned to this individual provider in the NPPES registry on April 4, 2012.

Where is Marron Wong located?

Marron Wong practices at 39400 Paseo Padre Pkwy, Fremont, CA 94538. The listed phone number is (510) 248-3000.

What is Marron Wong's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marron Wong enrolled in Medicare?

Yes. Marron Wong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marron Wong was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.