Lawrence P. Lai, M.D., M.S.
Pain Medicine Physician · Fontana, CA
Lawrence P. Lai, M.D., M.S. is a pain medicine physician with a practice address in Fontana, California, and NPI 1598927832, issued on Jun 27, 2008. Check the license (California A111449, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence P. Lai
- Credential
- M.D., M.S.
- Primary taxonomy
- Pain Medicine Physician 208VP0000X
- License number
- A111449 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (866) 454-3485
- Enumerated
- Jun 27, 2008
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160915001917); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine physician records → All 140 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eduardo Acosta, MDPediatrics Physician1497803324
- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Lawrence P. Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average pain medicine physician in 2024
1,317 Medicare Part D claims for 170 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 446 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen144 claims
- Oxycodone-Acetaminophen124 claims
- Pregabalin111 claims
- Gabapentin101 claims
- Topiramate97 claims
- Duloxetine Hcl85 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 GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence P. Lai among 140 pain medicine physician records in California
Lawrence P. Lai, M.D., M.S. is one of 140 pain medicine physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2001 among the 81 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine Physician providers in California
There are 140 pain medicine physician records in California.
All 140 in California → Every provider in Fontana → Pain Medicine Physician nationwide →
The 8 pain medicine physician records with the nearest ZIP codes
- Peter White, MDColton, CA 923241326011461
- Naila Ghafoor, MDLoma Linda, CA 923541629538418
- Travis Martin, MDLoma Linda, CA 923541053874305
- Sarah Buenviaje-Smith, MDApple Valley, CA 923071922079375
- Donald Greco, MDRancho Mirage, CA 922701740416767
- David Wilgarde, M.D.Palm Springs, CA 922621790785467
- Kevin Wong, DOPalm Springs, CA 922621457693038
- Augusta Ikhisemojie, M.D.Riverside, CA 925071457389041
Common questions
What is Lawrence P. Lai, M.D., M.S.'s NPI number?
Lawrence P. Lai, M.D., M.S.'s National Provider Identifier (NPI) is 1598927832, issued on Jun 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence P. Lai, M.D., M.S. located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (866) 454-3485. Providers update this record themselves, so call before visiting.
How can I verify Lawrence P. Lai, M.D., M.S.'s license?
NPPES lists California license number A111449, 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 Lawrence P. Lai, M.D., M.S. prescribe under Medicare Part D?
In 2024, Lawrence P. Lai, M.D., M.S. had 1,317 Medicare Part D claims for 170 beneficiaries; the average among pain medicine physician prescribers was 2,095. 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.