Paul Pao-Chien Lai, D.O.
Family Medicine Physician · Chino, CA
Paul Pao-Chien Lai, D.O. is a family medicine physician with a practice address in Chino, California, and NPI 1508811514, issued on May 24, 2006. Check the license (California 20A7294, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Pao-Chien Lai
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A7294 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5475 Walnut Ave, Chino, CA 91710
- Phone
- (909) 591-6446
- Enumerated
- May 24, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (909) 591-1309
- Medicare enrollment
- Enrolled (PECOS I20150507002650); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5475 Walnut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Desiree Bonomo, PACPhysician Assistant1912217977
- Subash Chander, M.DFamily Medicine Physician1417003930
- Jessica Cifuentes, NPFamily Nurse Practitioner1508579665
- Stephen Harvey, P.A.-CMedical Physician Assistant1194753426
- Jose Lira, M.D.Internal Medicine Physician1821038985
- Teresa Louie, FNP-CFamily Nurse Practitioner1174914303
Verify Paul Pao-Chien Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
938 Medicare Part D claims for 588 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Prednisone103 claims
- Montelukast Sodium98 claims
- Meloxicam66 claims
- Azithromycin52 claims
- Amoxicillin-Clavulanate Potass50 claims
- Albuterol Sulfate Hfa47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Pao-Chien Lai among 17,133 family medicine physician records in California
Paul Pao-Chien Lai, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family medicine physician records list a practice address in Chino
They are 45 of the 1,097 NPPES records with a practice address in Chino, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Chino → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jackson Alparce, M/D.Chino, CA 917101427162437
- Farah Ameeri, D.O.Chino, CA 917101023054699
- Subash Chander, M.DChino, CA 917101417003930
- Yolanda Grady, M.D.Chino, CA 917101235135518
- Pamela Harford, DOChino, CA 917101841299559
- Anita Kundi, D.OChino, CA 917101518933266
- James Lally, D.O.Chino, CA 917101285633867
- Augustin Lin, D.O.Chino, CA 917101003991688
Common questions
What is Paul Pao-Chien Lai, D.O.'s NPI number?
Paul Pao-Chien Lai, D.O.'s National Provider Identifier (NPI) is 1508811514, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Pao-Chien Lai, D.O. located?
The NPPES record lists a practice address at 5475 Walnut Ave, Chino, CA, 91710. Phone: (909) 591-6446. Providers update this record themselves, so call before visiting.
How can I verify Paul Pao-Chien Lai, D.O.'s license?
NPPES lists California license number 20A7294, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Paul Pao-Chien Lai, D.O. prescribe under Medicare Part D?
In 2024, Paul Pao-Chien Lai, D.O. had 938 Medicare Part D claims for 588 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.