Walter Lam, D.D.S.
Dentist · Alhambra, CA
Walter Lam, D.D.S. is a dentist with a practice address in Alhambra, California, and NPI 1508922782, issued on Dec 29, 2006. Check the license (California 41101, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter Lam
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 41101 CA
Self-reported in NPPES; status is on the state search - Practice location
- 723 S Garfield Ave, Alhambra, CA 91801
- Phone
- (626) 289-1020
- Enumerated
- Dec 29, 2006
- Record last updated
- Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 723 S Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Gu, D.O.Internal Medicine Physician1225107006
- Yuhuan Lan, M.D.Physical Medicine & Rehabilitation Physician1164476511
- Tony Wang, D.D.SGeneral Practice Dentistry1144405788
Verify Walter Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average dentist in 2024
178 Medicare Part D claims for 92 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin82 claims
- Chlorhexidine Gluconate56 claims
- Ibuprofen26 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.
Walter Lam among 14,729 dentist records in California
Walter Lam, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 dentist records list a practice address in Alhambra
They are 35 of the 1,802 NPPES records with a practice address in Alhambra, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Alhambra → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Steven BergaraAlhambra, CA 918011417033176
- Wen-Cheng Cheng, DDSAlhambra, CA 918011407998156
- Mohammad Dabbousi, DDSAlhambra, CA 918011609941210
- Stephen Dang, DMDAlhambra, CA 918011265450522
- Hank Lee, DDSAlhambra, CA 918011487636817
- Kris Murakawa, D.D.S.Alhambra, CA 918011659553550
- Lynn Mutch, DDSAlhambra, CA 918011568547693
- Marc Shishima, DDSAlhambra, CA 918011427118918
Common questions
What is Walter Lam, D.D.S.'s NPI number?
Walter Lam, D.D.S.'s National Provider Identifier (NPI) is 1508922782, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Lam, D.D.S. located?
The NPPES record lists a practice address at 723 S Garfield Ave, Alhambra, CA, 91801. Phone: (626) 289-1020. Providers update this record themselves, so call before visiting.
How can I verify Walter Lam, D.D.S.'s license?
NPPES lists California license number 41101, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Walter Lam, D.D.S. prescribe under Medicare Part D?
In 2024, Walter Lam, D.D.S. had 178 Medicare Part D claims for 92 beneficiaries; the average among dentist prescribers was 86. 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.