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VIVIEN T THACH FNP-C, AGNP-C
NPI 1427416841
Nurse Practitioner in Anaheim, CA

Active since January 29, 2016PECOS EnrolledAccepts Medicare Assignment
4330 E MIRALOMA AVE, ANAHEIM, CA 92807(714) 675-2184 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 29, 2026, Feb 1, 2022, Nov 10, 2016 and 2 more (5 updates tracked since 2016).

About Vivien T Thach Fnp-c, Agnp-c NPPES

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

VIVIEN T THACH FNP-C, AGNP-C (NPI 1427416841) is an individual nurse practitioner in Anaheim, California, licensed in California (95003756) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1427416841
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameVIVIEN T THACHCredential: FNP-C, AGNP-C
Location Address4330 E MIRALOMA AVEAnaheim, CA 92807-1886
Mailing Address4330 E Miraloma AveAnaheim, CA 92807-1886
Phone(714) 675-2184
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJanuary 29, 2016
Last NPPES UpdateJanuary 29, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1427416841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95003756
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
4330 E MIRALOMA AVE, Anaheim, CA 92807
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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

Vivien T Thach Fnp-c, Agnp-c 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 ID6507156577
PECOS Enrollment IDI20160602002269
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 92807 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.

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 Vivien Thach's NPI number?

The NPI number for Vivien Thach is 1427416841. It was assigned to this individual provider in the NPPES registry on January 29, 2016.

Where is Vivien Thach located?

Vivien Thach practices at 4330 E Miraloma Ave, Anaheim, CA 92807. The listed phone number is (714) 675-2184.

What is Vivien Thach's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Vivien Thach enrolled in Medicare?

Yes. Vivien Thach 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 Vivien Thach was last updated on January 29, 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.