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DR. GINA-NGA T NGUYEN M.D.
NPI 1710035688
Family Medicine in Costa Mesa, CA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
660 BAKER ST STE A101, COSTA MESA, CA 92626(714) 668-2500(714) 668-2515 Get Directions Write a Review

NPPES record last updated: August 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 10, 2023, Feb 10, 2017 (2 updates tracked since 2017).

About Dr. Gina-nga T Nguyen M.d. NPPES

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

DR. GINA-NGA T NGUYEN M.D. (NPI 1710035688) is an individual family medicine provider in Costa Mesa, California, licensed in California (A87270) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2002).

NPPES Registry Identity

NPI1710035688
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GINA-NGA T NGUYENCredential: M.D.
Location Address660 BAKER ST STE A101Costa Mesa, CA 92626-4407
Mailing AddressPo Box 2218Suisun City, CA 94585-5218 · (657) 241-3600 · Fax (657) 241-7708
Phone(714) 668-2500
Fax(714) 668-2515
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2002
Enumeration DateJanuary 8, 2007
Last NPPES UpdateAugust 10, 20232 updates tracked since enumeration
NPPES CertifiedAugust 10, 2023
✔ NPI 1710035688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A87270
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
660 BAKER ST STE A101, Costa Mesa, CA 92626
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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 and accepts Medicare assignment

Dr. Gina-nga T 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 ID4082648993
PECOS Enrollment IDI20050920001363
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 Reassignments

2

Medicare enrollment records show Gina-nga Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Monica Perlman MD Inc.
67 mi
Primary Care
9850 GENESEE AVE STE 320
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 341 clinicians in this Medicare group
NPI 1134309305 (858) 864-9800
Coastal Family Medicine Inc
  • Reassigned Medicare billing, California enrollment
  • 34 clinicians in this Medicare group
No phone listed

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
179 services77 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
46 services46 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92626 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 2

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

PETER LEE KIM M.D.
Family Medicine
660 BAKER ST STE A101
COSTA MESA, CA 92626
Orange County (714) 668-2500
DR. AISHA MEMON MD
Family Medicine
660 BAKER ST STE A101
COSTA MESA, CA 92626
Orange County (714) 668-2500

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 Gina-nga Nguyen's NPI number?

The NPI number for Gina-nga Nguyen is 1710035688. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Gina-nga Nguyen located?

Gina-nga Nguyen practices at 660 Baker St Ste A101, Costa Mesa, CA 92626. The listed phone number is (714) 668-2500.

What is Gina-nga Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gina-nga Nguyen enrolled in Medicare?

Yes. Gina-nga 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.

Which organizations bill Medicare for Gina-nga Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gina-nga Nguyen reassigns Medicare benefits to 2 organizations: Monica Perlman MD Inc. (La Jolla, CA) and Coastal Family Medicine Inc (CA). Each 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 Gina-nga Nguyen'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 Gina-nga Nguyen was last updated on August 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.