Lawrence A. Shapiro, M.D.
Specialist · Los Alamitos, CA
Lawrence A. Shapiro, M.D. is a specialist with a practice address in Los Alamitos, California, and NPI 1922048917, issued on Jun 7, 2006. Check the license (California C19362, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lawrence A. Shapiro
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- C19362 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Katella Ave, Los Alamitos, CA 90720
- Phone
- (562) 431-2556
- Enumerated
- Jun 7, 2006
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 596-5703
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3801 Katella Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lawrence A. Shapiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C19362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average specialist in 2024
50 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
Lawrence A. Shapiro among 5,749 specialist records in California
Lawrence A. Shapiro, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 specialist records list a practice address in Los Alamitos
They are 18 of the 1,035 NPPES records with a practice address in Los Alamitos, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Los Alamitos → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Maher Azer, M.D.Los Alamitos, CA 907201124097548
- Bernard Azer, D.O.Los Alamitos, CA 907201285686220
- Cecilia Chu, M.D.Los Alamitos, CA 907201396713814
- Stuart Green, M.D.Los Alamitos, CA 907201881702504
- Michael Lauermann, M.D.Los Alamitos, CA 907201265522684
- Matthew Luxenberg, MDLos Alamitos, CA 907201548353121
- Haniffa Maznavi, M.D.Los Alamitos, CA 907201205913811
- Sidney Newman, M.D.Los Alamitos, CA 907201235222860
Common questions
What is Lawrence A. Shapiro, M.D.'s NPI number?
Lawrence A. Shapiro, M.D.'s National Provider Identifier (NPI) is 1922048917, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence A. Shapiro, M.D. located?
The NPPES record lists a practice address at 3801 Katella Ave, Los Alamitos, CA, 90720. Phone: (562) 431-2556. Providers update this record themselves, so call before visiting.
How can I verify Lawrence A. Shapiro, M.D.'s license?
NPPES lists California license number C19362, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lawrence A. Shapiro, M.D. prescribe under Medicare Part D?
In 2024, Lawrence A. Shapiro, M.D. had 50 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.