William Grant Stevens, M.D.
Specialist · Marina Del Rey, CA
William Grant Stevens, M.D. is a specialist with a practice address in Marina Del Rey, California, and NPI 1689709008, issued on Feb 23, 2007. Check the license (California G45892, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Grant Stevens
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G45892 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4644 Lincoln Blvd Ste 552, Marina Del Rey, CA 90292
- Phone
- (310) 827-2653
- Enumerated
- Feb 23, 2007
- Record last updated
- Oct 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (310) 827-1493
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 4644 Lincoln Blvd Ste 552
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Grant Stevens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G45892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average specialist in 2024
13 Medicare Part D claims, against an average of 1,380 among the 8,233 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.
Industry payments in 2024: $12,854.78
12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
William Grant Stevens among 5,749 specialist records in California
William Grant Stevens, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2010 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 specialist records list a practice address in Marina Del Rey
They are 10 of the 711 NPPES records with a practice address in Marina Del Rey, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Marina Del Rey → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Gary Brazina, M. D.Marina Del Rey, CA 902921376655142
- Sophia Dvorkina, MS.SPED,Marina Del Rey, CA 902921053046821
- Richard Lam, M.D.Marina Del Rey, CA 902921811925258
- Daniel Marcus, M.D.Marina Del Rey, CA 902921417061714
- Frederic Nicola, M. D.Marina Del Rey, CA 902921184736480
- Nita Patel, M.D.Marina Del Rey, CA 902921295786663
- Mark Scholz, M.D.Marina Del Rey, CA 902921346286093
- David Stoker, M.DMarina Del Rey, CA 902921770618480
Common questions
What is William Grant Stevens, M.D.'s NPI number?
William Grant Stevens, M.D.'s National Provider Identifier (NPI) is 1689709008, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Grant Stevens, M.D. located?
The NPPES record lists a practice address at 4644 Lincoln Blvd Ste 552, Marina Del Rey, CA, 90292. Phone: (310) 827-2653. Providers update this record themselves, so call before visiting.
How can I verify William Grant Stevens, M.D.'s license?
NPPES lists California license number G45892, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Grant Stevens, M.D. prescribe under Medicare Part D?
In 2024, William Grant Stevens, M.D. had 13 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.