NPPES file of Aug 9, 2026

Peter S. Lam, DDS

Oral and Maxillofacial Surgery (Dentist) · Covina, CA

Peter S. Lam, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Covina, California, and NPI 1437179264, issued on Jul 21, 2006. Check the license (California 40257, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437179264
Name
Peter S. Lam
Credential
DDS
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
40257 CA
Self-reported in NPPES; status is on the state search
Practice location
518 W Badillo St, Covina, CA 91722
Phone
(626) 966-8518
Enumerated
Jul 21, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 967-0990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 518 W Badillo St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jihee Chun, D.D.SGeneral Practice Dentistry1568501047

Verify Peter S. Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 40257
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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63% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

151 Medicare Part D claims for 97 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Peter Lam151
  2. Specialty average406

Most prescribed

  1. Amoxicillin80 claims
  2. Azithromycin17 claims
  3. Hydrocodone-Acetaminophen15 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.

Industry payments in 2024: $59.28

3 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 4,075 providers of this specialty with any payment received $1,077.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Lam$59.28
  2. Specialty average$1,077.58

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Peter S. Lam among 987 oral and maxillofacial surgery (dentist) records in California

Peter S. Lam, DDS is one of 987 oral and maxillofacial surgery (dentist) 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 66% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in California

There are 987 oral and maxillofacial surgery (dentist) records in California.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Ismail Elsherif, D.D.S.Covina, CA 917221396800173
  2. Veronica Gonzalez, D.D.S.Covina, CA 917221023321668
  3. Christopher Choi, DDS, MDRancho Cucamonga, CA 917301326214941
  4. Matthew Dudziak, DDS MDRancho Cucamonga, CA 917301922128321
  5. Loretta Gilmore, D.D.S.Rancho Cucamonga, CA 917301750406377
  6. Darryl Morris, DDSRancho Cucamonga, CA 917301679678551
  7. Jeffrey Paxman, D.D.SRancho Cucamonga, CA 917301730576554
  8. Je Dong Ryu, DMD, MDRancho Cucamonga, CA 917301093243651

Common questions

What is Peter S. Lam, DDS's NPI number?

Peter S. Lam, DDS's National Provider Identifier (NPI) is 1437179264, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter S. Lam, DDS located?

The NPPES record lists a practice address at 518 W Badillo St, Covina, CA, 91722. Phone: (626) 966-8518. Providers update this record themselves, so call before visiting.

How can I verify Peter S. Lam, DDS's license?

NPPES lists California license number 40257, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Peter S. Lam, DDS prescribe under Medicare Part D?

In 2024, Peter S. Lam, DDS had 151 Medicare Part D claims for 97 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.