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DR. PHILIP YEN-TSUN LIU M.D.
NPI 1457615072
Psychiatry & Neurology - Psychiatry in San Antonio, TX

Active since June 28, 2012PECOS EnrolledAccepts Medicare Assignment
4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 567-0085 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 27, 2025, Oct 25, 2018, Jun 26, 2018 (3 updates tracked since 2018).

About Dr. Philip Yen-tsun Liu M.d. NPPES

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

DR. PHILIP YEN-TSUN LIU M.D. (NPI 1457615072) is an individual psychiatry provider in San Antonio, Texas, licensed in Kansas (04-41384) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1457615072
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PHILIP YEN-TSUN LIUCredential: M.D.
Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402
Mailing Address7703 Floyd Curl DrSan Antonio, TX 78229-3901 · (210) 567-0085
Phone(210) 567-0085
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 28, 2012
Last NPPES UpdateMay 27, 20253 updates tracked since enumeration
✔ NPI 1457615072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in KS · 04-41384✔ Licensed in PA · MD465247✔ Licensed in MI · 4301111167✔ Licensed in OK · 34083
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.
4502 MEDICAL DR, San Antonio, TX 78229
Open in Google Maps ↗

Other Names 1

Former Name (1)Yen-tsun Liu Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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. Philip Yen-tsun Liu 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 ID1759671555
PECOS Enrollment IDI20250214002771
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 Reassignment

Medicare enrollment records show Philip Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1,119 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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 78229 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

EDUARDO N. POLLONO MD
Internal Medicine (Cardiovascular Disease)
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000
DR. MAHDIEH IRAN NEJAD PARIZI M.D.
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-2015
RICHARD LEE BALLENTINE D.M.D.
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-2015
MR. STEVAN REYES PTA
Physical Therapy Assistant
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4253
MRS. CLAIRE LELEUX BEADLE CRNA
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000
NNENNA AWAGU CRNA
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 567-4500
DR. CYNTHIA N NGUYEN PHARMD
Pharmacist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 743-4034
DR. JONATHAN EDWARD SLOVIK MD
Hospitalist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Bexar County (210) 358-4000

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 Philip Liu's NPI number?

The NPI number for Philip Liu is 1457615072. It was assigned to this individual provider in the NPPES registry on June 28, 2012. The provider is also known as Yen-Tsun Liu MD.

Where is Philip Liu located?

Philip Liu practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 567-0085.

What is Philip Liu's specialty?

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

Is Philip Liu enrolled in Medicare?

Yes. Philip Liu 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 organization bills Medicare for Philip Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Philip Liu reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The 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 Philip Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Philip Liu accept?

Health plans from CareSource list Philip Liu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Philip Liu was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.