LYDIA BAI-TSIN ANN
NPI 1316433303
Psychiatry & Neurology - Psychiatry in Orange, CA

Active since July 03, 2018PECOS EnrolledAccepts Medicare Assignment
3800 W CHAPMAN AVE STE 500, ORANGE, CA 92868(714) 456-5902 Get Directions Write a Review

NPPES record last updated: July 16, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2024, Jul 9, 2022, May 7, 2021 and 1 more (4 updates tracked since 2018).

About Lydia Bai-tsin Ann NPPES

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

LYDIA BAI-TSIN ANN (NPI 1316433303) is an individual psychiatry provider in Orange, California, licensed in California (A164652) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of California, Geffen School Of Medicine (2018).

NPPES Registry Identity

NPI1316433303
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameLYDIA BAI-TSIN ANN
Location Address3800 W CHAPMAN AVE STE 500Orange, CA 92868-1638
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-8888
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2018
Enumeration DateJuly 3, 2018
Last NPPES UpdateJuly 16, 20244 updates tracked since enumeration
NPPES CertifiedJuly 16, 2024
NPI 1316433303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A164652
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.
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License A164652 (CA)
Also ListedGeneral PracticeTaxonomy 208D00000X · License A164652 (CA)
3800 W CHAPMAN AVE STE 500, Orange, CA 92868

Secondary Practice Location 1

Location 1760 Westwood Plz Ste 37-384Los Angeles, CA 90024-5055 · Phone (310) 206-6721

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

Lydia Bai-tsin Ann 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 ID6709291966
PECOS Enrollment IDI20210220000034
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.

Areas of Expertise CMS Part B claims 3

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.
99 services67 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
18 services18 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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 20

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

Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868

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 Lydia Ann's NPI number?

The NPI number for Lydia Ann is 1316433303. It was assigned to this individual provider in the NPPES registry on July 3, 2018.

Where is Lydia Ann located?

Lydia Ann practices at 3800 W Chapman Ave Ste 500, Orange, CA 92868. The listed phone number is (714) 456-5902.

What is Lydia Ann's specialty?

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

Is Lydia Ann enrolled in Medicare?

Yes. Lydia Ann 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 Lydia Ann was last updated on July 16, 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.