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

YVONNE Y LAI MD
NPI 1972636884
Hospitalist in San Antonio, TX

Q: What is Yvonne Lai's NPI number?

The NPI number for Yvonne Lai is 1972636884. It was assigned to this individual provider in the NPPES registry on March 13, 2007.

Q: What is Yvonne Lai's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Yvonne Lai was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since March 13, 2007PECOS EnrolledAccepts Medicare Assignment

89.92/100

CMS Quality Rating

4502 MEDICAL DR, SAN ANTONIO, TX 78229(201) 358-4000(210) 358-8002 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2026, Jun 10, 2024 (2 updates tracked since 2024).

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About Yvonne Y Lai Md NPPES

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

YVONNE Y LAI MD (NPI 1972636884) is an individual hospitalist provider in San Antonio, Texas, licensed in Texas (K7445) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1972636884

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameYVONNE Y LAICredential: MD

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address14222 Emerald Hill DrSan Antonio, TX 78231-1731 · (210) 396-6613

Phone(201) 358-4000

Fax(210) 358-8002

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateMarch 13, 2007

Last NPPES UpdateOctober 9, 20262 updates tracked since enumeration

NPPES CertifiedOctober 9, 2026

✔ NPI 1972636884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in TX · K7445

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License K7445 (TX)

4502 MEDICAL DR, San Antonio, TX 78229

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Secondary Practice Location 1

Location 119223 Stonehue, SUITE 100San Antonio, TX 78258-3456 · Phone (210) 490-5911

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, Imperial Insurance Companies, Inc. and more.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

Yvonne Y Lai Md 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 ID1850386434

PECOS Enrollment IDI20040415000199

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

Medicare enrollment records show Yvonne Lai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ipc Healthcare Services Of Texas, PLLC

4.9 mi

Hospitalist

7330 SAN PEDRO AVE, STE 540
San Antonio, TX 78216

Reassigned Medicare billing, Texas enrollment
688 clinicians in this Medicare group

NPI 1023403011 (210) 344-7287

Community Medicine Associates

7.0 mi

Family Medicine

903 W MARTIN ST # MS 49-2
San Antonio, TX 78207

Reassigned Medicare billing, Texas enrollment
1,129 clinicians in this Medicare group

NPI 1245313329 (210) 358-3401

Lonestar Hospital Medicine Associates, PA

228 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

Reassigned Medicare billing, Texas enrollment
994 clinicians in this Medicare group

NPI 1518237429 (682) 622-2000

Concord Medical Group PLLC

341 mi

Emergency Medicine

1602 AVENUE Q
Lubbock, TX 79401

Reassigned Medicare billing, Texas enrollment
1,338 clinicians in this Medicare group

NPI 1083630610 (888) 264-0330

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

91 services90 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

90 services86 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.92/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.39

Promoting Interoperability

100

Improvement Activities

Cost

62.89

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)