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DR. VAN NGUYEN GRECO M.D.
NPI 1679895544
Pediatrics - Child Abuse Pediatrics in Orange, CA

Active since February 19, 2010PECOS Enrolled
101 THE CITY DR S, BLDG 56, SUITE 600, ORANGE, CA 92868(714) 456-6933(714) 456-7658 Get Directions Write a Review

NPPES record last updated: July 28, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Van Nguyen Greco M.d. NPPES

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

DR. VAN NGUYEN GRECO M.D. (NPI 1679895544) is an individual child abuse pediatrics provider in Orange, California, licensed in California (A63824) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679895544
Entity TypeIndividualFemale
Primary Taxonomy2080C0008X
Provider Legal NameDR. VAN NGUYEN GRECOCredential: M.D.
Location Address101 THE CITY DR S, BLDG 56, SUITE 600Orange, CA 92868-3201
Mailing Address101 The City Dr S, Bldg 56, Suite 600Orange, CA 92868-3201 · (714) 456-6933 · Fax (714) 456-7658
Phone(714) 456-6933
Fax(714) 456-7658
Sole ProprietorNo
Enumeration DateFebruary 19, 2010
Last NPPES UpdateJuly 28, 2016
✔ NPI 1679895544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Child Abuse PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080C0008X
License✔ Licensed in CA · A63824
Definition
A Child Abuse Pediatrician serves as a resource to children, families and communities by accurately diagnosing abuse; consulting with community agencies on child safety; providing expertise in courts of law; treating consequences of abuse and neglect; directing child abuse and neglect prevention programs and participating on multidisciplinary teams investigating; and managing child abuse cases.
101 THE CITY DR S, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Van Nguyen Greco 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.

Medicare Billing Reassignment

Medicare enrollment records show Van Nguyen Greco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uc Regents Uci Dept Of Pediatrics
Same address
Pediatrics
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 143 clinicians in this Medicare group
NPI 1235187311 (714) 456-8068

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

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 Van Nguyen Greco's NPI number?

The NPI number for Van Nguyen Greco is 1679895544. It was assigned to this individual provider in the NPPES registry on February 19, 2010.

Where is Van Nguyen Greco located?

Van Nguyen Greco practices at 101 The City Dr S Bldg 56, Suite 600, Orange, CA 92868. The listed phone number is (714) 456-6933.

What is Van Nguyen Greco's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Child Abuse Pediatrics, with taxonomy code 2080C0008X.

Is Van Nguyen Greco enrolled in Medicare?

Yes. Van Nguyen Greco is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Van Nguyen Greco's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Van Nguyen Greco reassigns Medicare benefits to Uc Regents Uci Dept Of Pediatrics (Orange, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Van Nguyen Greco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Van Nguyen Greco was last updated on July 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.