DR. LAWRENCE MARSHALL (O.D.) – Optometrist, NPI 1851456586

DR. LAWRENCE MARSHALL (O.D.) is a healthcare provider. based in San pedro, California. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 8278T (CA). The NPI Number for DR. LAWRENCE MARSHALL (O.D.) is 1851456586

Main info

Male
Sole Proprietor
41 Years Of Experience
Accepts Medicare Assignment
Name
DR. LAWRENCE MARSHALL (O.D.)
NPI
1851456586
Phone
(310) 832-2020
Address
28142 S WESTERN AVE
Enumeration Date
22 December 2006
Last Update Date
1 May 2013

Doctor Profile

Medical School Name
PENNSYLVANIA COLLEGE OF OPTOMETRY
Secondary Phone
3108322020
Graduation Year
1985 (41 years ago)
PAC ID
1759522113
Professional Enrollment ID
I20130726000562
Address ID
CA907321248SA28142AVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

3,909 OPTOMETRY in CA

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Provider Addresses for DR. LAWRENCE MARSHALL (O.D.)

  • South Western Avenue, San Pedro, Los Angeles, Los Angeles County, California, 90732, United States

    SAN PEDRO, CA 907321248

    Phone: (310) 832-2020

    Fax: (310) 832-0342

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $25.

Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.

Last reported payment date: 2023-06-16 • Largest payer in this snapshot: Johnson & Johnson Vision Care, Inc. ($25).

Total Amount

$25

General + Research + Ownership

Payments

1

Total payment records

General Amount

$25

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-16

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-07-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130726000562IOptometryCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 90732)

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Reviews

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Frequently asked questions

What NPI should I save for DR. LAWRENCE MARSHALL (O.D.)?
Save NPI 1851456586 if you need a stable reference for DR. LAWRENCE MARSHALL (O.D.).
Is DR. LAWRENCE MARSHALL (O.D.)'s NPI currently valid?
The extract we use shows DR. LAWRENCE MARSHALL (O.D.) as active.
What kind of provider is DR. LAWRENCE MARSHALL (O.D.)?
The page reflects Optometrist for DR. LAWRENCE MARSHALL (O.D.). Clinical services aligned with this taxonomy classification.
Where is DR. LAWRENCE MARSHALL (O.D.)'s primary listing?
We display San Pedro, California because that is what the record indicates for DR. LAWRENCE MARSHALL (O.D.).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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