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DR. TIFFANY YEA-KUANG TSAI M.D.
NPI 1043483431
Psychiatry & Neurology - Psychiatry in Lancaster, CA

Active since April 08, 2008PECOS EnrolledAccepts Medicare Assignment
43807 10TH ST W STE D, LANCASTER, CA 93534(661) 575-9365 Get Directions Write a Review

NPPES record last updated: October 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2019, Jun 30, 2018 (2 updates tracked since 2018).

About Dr. Tiffany Yea-kuang Tsai M.d. NPPES

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

DR. TIFFANY YEA-KUANG TSAI M.D. (NPI 1043483431) is an individual psychiatry provider in Lancaster, California, licensed in California (A106162) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Van Nuys, and is a graduate of George Washington University School Of Medicine (2006).

NPPES Registry Identity

NPI1043483431
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. TIFFANY YEA-KUANG TSAICredential: M.D.
Location Address43807 10TH ST W STE DLancaster, CA 93534-4805
Mailing AddressPo Box 940085Simi Valley, CA 93094-0085
Phone(661) 575-9365
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2006
Enumeration DateApril 8, 2008
Last NPPES UpdateOctober 25, 20242 updates tracked since enumeration
✔ NPI 1043483431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A106162
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
43807 10TH ST W STE D, Lancaster, CA 93534
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Secondary Practice Location 1

Location 114545 Sherman CirVan Nuys, CA 91405-3087 · Phone (818) 901-4854 · Fax (818) 908-4995

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. Tiffany Yea-kuang Tsai 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 ID5092986778
PECOS Enrollment IDI20110929000575
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 Tiffany Tsai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
1.1 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279
Hawaii Permanente Medical Group Inc
2,576 mi
Health Maintenance Organization
3288 MOANALUA RD
Honolulu, HI 96819
  • Reassigned Medicare billing, Hawaii enrollment
  • 1,187 clinicians in this Medicare group
NPI 1710945969 (808) 432-0000

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 93534 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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 16

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

TALISHA S HAMILTON
Counselor (Professional)
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
HERITAGE CLINIC AND THE COMMUNITY ASSISTANCE PROGRAM FOR SENIORS
Psychologist (Clinical)
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
ANGELA RUBIO
Rehabilitation Practitioner
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
MISS FARAH DOROTHY DEPALM M.A.
Rehabilitation Practitioner
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
HERITAGE SENIOR SERVICES
Psychologist (Clinical)
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
MARIA COLEMAN PERDUE
Student in an Organized Health Care Education/Training Program
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
BLANCA HERNANDEZ
Rehabilitation Practitioner
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365
VICTORIA TORRES LSCW
Social Worker (Clinical)
43807 10TH ST W STE D
LANCASTER, CA 93534
Los Angeles County (661) 575-9365

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 Tiffany Tsai's NPI number?

The NPI number for Tiffany Tsai is 1043483431. It was assigned to this individual provider in the NPPES registry on April 8, 2008.

Where is Tiffany Tsai located?

Tiffany Tsai practices at 43807 10th St W Ste D, Lancaster, CA 93534. The listed phone number is (661) 575-9365.

What is Tiffany Tsai's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Tiffany Tsai enrolled in Medicare?

Yes. Tiffany Tsai 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 Tiffany Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Tsai reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Lancaster, CA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Tiffany Tsai'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 Tiffany Tsai was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.