Physician Profile
Unclaimed ProfileAbout LAI
Gary T. Lai, M.D. is a healthcare provider in Chino, CA specializing in internal medicine. Gary trained at Warren Alpert Medical School of Brown University, graduating in 1996. According to Medicare claims data, Gary cared for 146 Medicare patients across 227 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 548-3888
- Email not available
Practice Locations
14335 PIPELINE AVE
Chino, CA 91710
Procedures Most Often Billed to Medicare
227 services · 146 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
139 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
60 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
17 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Chino 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Warren Alpert Medical School of Brown University 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Warren Alpert Medical School of Brown University 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Lai's specialty?
Dr. Lai is an internal medicine in Chino, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Lai?
Dr. Lai is listed at 14335 PIPELINE AVE, Chino, CA 91710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lai?
The number on file is (909) 548-3888. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lai's NPI number?
Dr. Lai's National Provider Identifier is 1245332220. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Lai's medical education?
Dr. Lai attended Warren Alpert Medical School of Brown University, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lai been practicing?
Dr. Lai has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lai known for?
According to Medicare billing data, Dr. Lai the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lai confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lai. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.