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

NINA NGUYEN MD
NPI 1194467993
Obstetrics & Gynecology in Vacaville, CA

Active since April 12, 2022PECOS Enrolled
1 QUALITY DR, VACAVILLE, CA 95688(707) 624-4000 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 2, 2026, Apr 12, 2022 (2 updates tracked since 2022).

About Nina Nguyen Md NPPES

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

NINA NGUYEN MD (NPI 1194467993) is an individual obstetrics & gynecology provider in Vacaville, California, licensed in California (A208977) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Vallejo.

NPPES Registry Identity

NPI1194467993
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameNINA NGUYENCredential: MD
Location Address1 QUALITY DRVacaville, CA 95688-9494
Mailing Address1 Quality DrVacaville, CA 95688-9494 · (707) 624-4000
Phone(707) 624-4000
Sole ProprietorNo
Enumeration DateApril 12, 2022
Last NPPES UpdateSeptember 2, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2026
✔ NPI 1194467993 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 · A208977
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.
1 QUALITY DR, Vacaville, CA 95688
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Secondary Practice Location 1

Location 1975 Sereno DrVallejo, CA 94589-2441 · Phone (707) 651-1000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nina Nguyen Md 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 95688 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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.

DONALD BRADNER WARD CRNA
Nurse Anesthetist, Certified Registered
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-4207
MS. ELAINE GARDNER PT
Physical Therapist
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-4000
SAMANTHA LYNN TORRES-RAMONDO
Respiratory Therapist, Registered
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-1850
WES R WILTSE DO
Physical Medicine & Rehabilitation
1 QUALITY DR, B36
VACAVILLE, CA 95688
Solano County (707) 684-3840
MRS. NATALIA FELDMAN OTR/L
Occupational Therapist
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-4000
DR. TERAH HENNICK MD
Orthopaedic Surgery
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-4000
ANKUR NITIN KAPADIA MD
Family Medicine
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-4000
KAISER PERMANENTE
Clinic/Center (Adult Mental Health)
1 QUALITY DR
VACAVILLE, CA 95688
Solano County (707) 624-2600

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 Nina Nguyen's NPI number?

The NPI number for Nina Nguyen is 1194467993. It was assigned to this individual provider in the NPPES registry on April 12, 2022.

Where is Nina Nguyen located?

Nina Nguyen practices at 1 Quality Dr, Vacaville, CA 95688. The listed phone number is (707) 624-4000.

What is Nina Nguyen's specialty?

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

Is Nina Nguyen enrolled in Medicare?

Yes. Nina Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nina Nguyen was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.