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

HA SON NGUYEN M.D.
NPI 1447275631
Obstetrics & Gynecology in Garden Grove, CA

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
13481 EUCLID ST STE A, GARDEN GROVE, CA 92843(714) 468-6755 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 3, 2026, Aug 2, 2026, Sep 22, 2021 and 1 more (4 updates tracked since 2018).

About Ha Son Nguyen M.d. NPPES

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

HA SON NGUYEN M.D. (NPI 1447275631) is an individual obstetrics & gynecology provider in Garden Grove, California, licensed in California (G67118) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Northwestern University Feinberg Medical School (1986).

NPPES Registry Identity

NPI1447275631
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameHA SON NGUYENCredential: M.D.
Location Address13481 EUCLID ST STE AGarden Grove, CA 92843-2546
Mailing Address1951 Pacific AveLong Beach, CA 90806-5321 · (562) 218-8778 · Fax (562) 218-1916
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1986
Enumeration DateJuly 12, 2006
Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1447275631 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 · G67118
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.
13481 EUCLID ST STE A, Garden Grove, CA 92843

Secondary Practice Location 1

Location 11951 PACIFIC AVELONG BEACH, CA 90806-5321 · Phone (562) 218-8778 · Fax (562) 218-1916

Other Identifiers 1

Medicaid00G671180CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ha Son Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547300188
PECOS Enrollment IDI20091214000143
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 92843 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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

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

Clinic/Center (Urgent Care)
13481 EUCLID ST STE A
GARDEN GROVE, CA 92843

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 Ha Nguyen's NPI number?

The NPI number for Ha Nguyen is 1447275631. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Ha Nguyen located?

Ha Nguyen practices at 13481 Euclid St Ste A, Garden Grove, CA 92843. The listed phone number is (714) 468-6755.

What is Ha Nguyen's specialty?

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

Is Ha Nguyen enrolled in Medicare?

Yes. Ha Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ha Nguyen was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.