Peter W. Crooks, MD
Nephrology Physician · Los Angeles, CA
Peter W. Crooks, MD is a nephrology physician with a practice address in Los Angeles, California, and NPI 1215085105, issued on Jan 8, 2007. Check the license (California G40421, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Peter W. Crooks
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G40421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-4011
- Enumerated
- Jan 8, 2007
- Record last updated
- Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 4760 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter W. Crooks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter W. Crooks among 1,468 nephrology physician records in California
Peter W. Crooks, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileNo · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,468 in California → Every provider in Los Angeles → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Antoine Abcar, MDLos Angeles, CA 900271245301159
- Hong Dang, M.D.Los Angeles, CA 900271013351790
- Ryszard Dudek, MDLos Angeles, CA 900271154498178
- Joseph Kahwaji, MDLos Angeles, CA 900271740349489
- Dean Kujubu, MDLos Angeles, CA 900271306917349
- Victoria Kumar, MDLos Angeles, CA 900271568521128
- Mateo Ledezma, MDLos Angeles, CA 900271841361813
- Susana Mendoza, M.D.Los Angeles, CA 900271255463592
Common questions
What is Peter W. Crooks, MD's NPI number?
Peter W. Crooks, MD's National Provider Identifier (NPI) is 1215085105, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter W. Crooks, MD located?
The NPPES record lists a practice address at 4760 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-4011. Providers update this record themselves, so call before visiting.
How can I verify Peter W. Crooks, MD's license?
NPPES lists California license number G40421, 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. 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.