Lawrence Erwin Clark, MD
Neurological Surgery Physician · Riverside, CA
Lawrence Erwin Clark, MD is a neurological surgery physician with a practice address in Riverside, California, and NPI 1982662904, issued on May 1, 2006. Check the license (California G435560, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence Erwin Clark
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- G435560 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7117 Brockton Ave, Riverside, CA 92506
- Phone
- (951) 782-3642
- Enumerated
- May 1, 2006
- Record last updated
- Feb 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (951) 784-3266
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 7117 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hedy Assaad, MDPediatrics Physician1154302529
- Andre Babajanians, MDRheumatology Physician1255311676
Verify Lawrence Erwin Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G435560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $83.26
5 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lawrence Erwin Clark among 929 neurological surgery physician records in California
Lawrence Erwin Clark, 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 updated2020 · 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.
All 929 in California → Every provider in Riverside → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Dennis Cramer, DORiverside, CA 925071336353341
- Sean KaloostianRiverside, CA 925071750607099
- Clifford Douglas, MD, PH.D.Riverside, CA 925011932166485
- Nikhil SahasrabudheRiverside, CA 925011760772131
- Michelle FarhaMoreno Valley, CA 925551205600715
- Muhammad Ghauri, MDMoreno Valley, CA 925551629860341
- Kathlyn Larco, PA-CMoreno Valley, CA 925551649894403
- Michael Schiraldi, M.D..Moreno Valley, CA 925551326418757
Common questions
What is Lawrence Erwin Clark, MD's NPI number?
Lawrence Erwin Clark, MD's National Provider Identifier (NPI) is 1982662904, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Erwin Clark, MD located?
The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 782-3642. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Erwin Clark, MD's license?
NPPES lists California license number G435560, 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.
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.