Yvonne Lai, MD
NPI 1972636884 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne Lai, MD is a Family Medicine Physician provider in San Antonio, TX (NPI 1972636884).
Provider details
- NPI number
- 1972636884
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- K7445 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
181 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 91 | $127 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 90 | $169 |
Typical Medicare-allowed amounts for these services range $127–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 19223 StonehueSuite 100San Antonio, TX 78258-3456Phone: (210) 490-5911
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Yvonne Lai's NPI number?
- Yvonne Lai's National Provider Identifier (NPI) is 1972636884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Lai's specialty?
- Yvonne Lai is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yvonne Lai located?
- Yvonne Lai's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Yvonne Lai's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Lai is (201) 358-4000.
- Does Yvonne Lai accept Medicare?
- Yvonne Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvonne Lai's NPI active?
- Yes — Yvonne Lai's NPI (1972636884) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.