Lawrence Marshall, O.D.
Optometrist · San Pedro, CA
Lawrence Marshall, O.D. is an optometrist with a practice address in San Pedro, California, and NPI 1851456586, issued on Dec 22, 2006. Check the license (California 8278T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lawrence Marshall
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 8278T CA
Self-reported in NPPES; status is on the state search - Practice location
- 28142 S Western Ave, San Pedro, CA 90732
- Phone
- (310) 832-2020
- Enumerated
- Dec 22, 2006
- Record last updated
- May 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (310) 832-0342
- Medicaid ID
- SD0082780 CA
- Medicare enrollment
- Enrolled (PECOS I20130726000562); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1985
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Lawrence Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 8278TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
13 Medicare Part D claims, against an average of 277 among the 33,128 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 Marshall among 8,308 optometrist records in California
Lawrence Marshall, O.D. is one of 8,308 optometrist records with a practice address in California. 67% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1985 · median 2008 among the 3,573 with a school on file
- Record last updated2013 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 optometrist records list a practice address in San Pedro
They are 11 of the 1,072 NPPES records with a practice address in San Pedro, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Pedro → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Grace HuangSan Pedro, CA 907321013605526
- Beverly Tu, ODSan Pedro, CA 907321053892794
- Gene Calkins, O.D.San Pedro, CA 907311568425569
- Jennifer Che, O.DSan Pedro, CA 907311013205905
- Rick Iwai, O.D.San Pedro, CA 907311023069424
- Michael Obrien JrSan Pedro, CA 907311598847725
- Jyoti PatelSan Pedro, CA 907311962009464
- Joshua Poole, ODSan Pedro, CA 907311306795158
Common questions
What is Lawrence Marshall, O.D.'s NPI number?
Lawrence Marshall, O.D.'s National Provider Identifier (NPI) is 1851456586, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Marshall, O.D. located?
The NPPES record lists a practice address at 28142 S Western Ave, San Pedro, CA, 90732. Phone: (310) 832-2020. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Marshall, O.D.'s license?
NPPES lists California license number 8278T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lawrence Marshall, O.D. prescribe under Medicare Part D?
In 2024, Lawrence Marshall, O.D. had 13 Medicare Part D claims; the average among optometrist prescribers was 277. 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.