NPPES file of Aug 9, 2026

Maurice Man-Ho Lam, M.D.

Obstetrics & Gynecology Physician · Long Beach, CA

Maurice Man-Ho Lam, M.D. is an obstetrics & gynecology physician with a practice address in Long Beach, California, and NPI 1144231143, issued on Aug 11, 2006. Check the license (California G33473, as entered in NPPES) on the Medical Board of California; 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
1144231143
Name
Maurice Man-Ho Lam
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G33473 CA
Self-reported in NPPES; status is on the state search
Practice location
2865 Atlantic Ave Ste 106, Long Beach, CA 90806
Phone
(562) 595-0591
Enumerated
Aug 11, 2006
Record last updated
Sep 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(562) 595-6836
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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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Verify Maurice Man-Ho Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G33473    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
Open the California license search

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88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

19 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Maurice Lam19
  2. Specialty average165

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.

Maurice Man-Ho Lam among 5,088 obstetrics & gynecology physician records in California

Maurice Man-Ho Lam, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

All 5,088 in California → Every provider in Long Beach → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. John Cardin, M.D.Long Beach, CA 908061467411744
  2. Laurie Endo, MDLong Beach, CA 908061841254190
  3. Julie Franklin, M.D.Long Beach, CA 908061710935150
  4. Carol Grabowski, M.D., INCLong Beach, CA 908061043280373
  5. Helena Humphrey, M.D.Long Beach, CA 908061497712012
  6. Monica Leff, MDLong Beach, CA 908061962476028
  7. James Long, MDLong Beach, CA 908061316039696
  8. Sandra Makela, MDLong Beach, CA 908061780658849

Common questions

What is Maurice Man-Ho Lam, M.D.'s NPI number?

Maurice Man-Ho Lam, M.D.'s National Provider Identifier (NPI) is 1144231143, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maurice Man-Ho Lam, M.D. located?

The NPPES record lists a practice address at 2865 Atlantic Ave Ste 106, Long Beach, CA, 90806. Phone: (562) 595-0591. Providers update this record themselves, so call before visiting.

How can I verify Maurice Man-Ho Lam, M.D.'s license?

NPPES lists California license number G33473, 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 Maurice Man-Ho Lam, M.D. prescribe under Medicare Part D?

In 2024, Maurice Man-Ho Lam, M.D. had 19 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.