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NGOC THANH NGAN MAI MD
NPI 1932858644
Pediatrics in Garden Grove, CA

Active since March 21, 2022PECOS Enrolled
12100 EUCLID ST, GARDEN GROVE, CA 92840(833) 574-2273 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ngoc Thanh Ngan Mai Md NPPES

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

NGOC THANH NGAN MAI MD (NPI 1932858644) is an individual pediatrics provider in Garden Grove, California, licensed in California (199770) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1932858644
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameNGOC THANH NGAN MAICredential: MD
Location Address12100 EUCLID STGarden Grove, CA 92840-3304
Mailing Address9872 Oasis AveGarden Grove, CA 92844-3030 · (713) 924-7592
Phone(833) 574-2273
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 21, 2022
Last NPPES UpdateApril 9, 2026
NPPES CertifiedApril 9, 2026
✔ NPI 1932858644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · 199770
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
12100 EUCLID ST, Garden Grove, CA 92840
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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)

Ngoc Thanh Ngan Mai Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618446295
PECOS Enrollment IDI20260512004385
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 Ngoc Thanh Ngan Mai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
6.3 mi
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1336556059 (877) 608-0044

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92840 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

MRS. ADRIANA CERVANTES LONGO M.D.
Internal Medicine
12100 EUCLID ST, 3RD FLOOR
GARDEN GROVE, CA 92840
Orange County (714) 741-3685
MICHELLE SUH
Pharmacist
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (714) 741-3430
CHRISTINE ATALLA
Pharmacist
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (714) 741-3430
GRESHAWNDA CRAYTON RN, FNP-BC, PHN
Registered Nurse
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (714) 741-3516
DR. LAUREN RUBAL M.D.
Obstetrics & Gynecology (Reproductive Endocrinology)
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (888) 988-2800
KELLY YING LIN M.D.
Specialist
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (888) 988-2800
MARY CATHERINE WASHBURN M.D.
Obstetrics & Gynecology
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (714) 887-9933
DR. NANCY LEE-HATA MD
Family Medicine
12100 EUCLID ST
GARDEN GROVE, CA 92840
Orange County (714) 741-3665

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 Ngoc Thanh Ngan Mai's NPI number?

The NPI number for Ngoc Thanh Ngan Mai is 1932858644. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Ngoc Thanh Ngan Mai located?

Ngoc Thanh Ngan Mai practices at 12100 Euclid St, Garden Grove, CA 92840. The listed phone number is (833) 574-2273.

What is Ngoc Thanh Ngan Mai's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ngoc Thanh Ngan Mai enrolled in Medicare?

Yes. Ngoc Thanh Ngan Mai is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ngoc Thanh Ngan Mai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ngoc Thanh Ngan Mai reassigns Medicare benefits to Southern California Permanente Medical Group (Fullerton, 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 Ngoc Thanh Ngan Mai'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 Ngoc Thanh Ngan Mai was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.