NPPES file of Aug 9, 2026

Lawrence F. Marshall, MD

Neurological Surgery Physician · San Diego, CA

Lawrence F. Marshall, MD is a neurological surgery physician with a practice address in San Diego, California, and NPI 1750306171, issued on Jul 13, 2006. Check the license (California C36547, 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
1750306171
Name
Lawrence F. Marshall
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
C36547 CA
Self-reported in NPPES; status is on the state search
Practice location
200 West Arbor Dr - MC 8893, San Diego, CA 92103
Phone
(619) 543-3500
Enumerated
Jul 13, 2006
Record last updated
Feb 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(619) 543-6808
Medicaid ID
00C365470 CA
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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Verify Lawrence F. Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C36547
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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73% fewer Medicare Part D claims than the average neurological surgery physician in 2024

47 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.

  1. Lawrence Marshall47
  2. Specialty average172

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 F. Marshall among 929 neurological surgery physician records in California

Lawrence F. Marshall, MD is one of 929 neurological surgery physician records with a practice address in California. 77% 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, 62% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2017 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in California

There are 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. David Barba, M.D.San Diego, CA 921031093730251
  2. Thomas Beaumont, M.D., PH.D.San Diego, CA 921031497067573
  3. Sharona Ben-Haim, M.D.San Diego, CA 921031942469663
  4. Joseph Ciacci, MDSan Diego, CA 921031992725675
  5. Dustin Hatefi, M.D., M.P.H.San Diego, CA 921031790072106
  6. Alexander Khalessi, M.D., MSSan Diego, CA 921031073786661
  7. David Levy, M.D.San Diego, CA 921031912189275
  8. Andrew Nguyen, M.D.,PH.D.San Diego, CA 921031720216542

Common questions

What is Lawrence F. Marshall, MD's NPI number?

Lawrence F. Marshall, MD's National Provider Identifier (NPI) is 1750306171, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence F. Marshall, MD located?

The NPPES record lists a practice address at 200 West Arbor Dr - MC 8893, San Diego, CA, 92103. Phone: (619) 543-3500. Providers update this record themselves, so call before visiting.

How can I verify Lawrence F. Marshall, MD's license?

NPPES lists California license number C36547, 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 Lawrence F. Marshall, MD prescribe under Medicare Part D?

In 2024, Lawrence F. Marshall, MD had 47 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. 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.