Steven Grant Deeks, MD
Medical Oncology Physician · San Francisco, CA
Steven Grant Deeks, MD is a medical oncology physician with a practice address in San Francisco, California, and NPI 1073604666, issued on Sep 27, 2006. Check the license (California G73895, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Grant Deeks
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- G73895 CA
Self-reported in NPPES; status is on the state search - Practice location
- 513 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-9362
- Enumerated
- Sep 27, 2006
- Record last updated
- Apr 28, 2026
- Medicaid ID
- 00G738950 CA
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 513 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Blebea, MDInternal Medicine Physician1134680531
Verify Steven Grant Deeks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average medical oncology physician in 2024
1,272 Medicare Part D claims for 35 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium124 claims
- Tivicay120 claims
- Descovy111 claims
- Biktarvy85 claims
- Odefsey48 claims
- Gabapentin43 claims
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: $17,459.87
16 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Steven Grant Deeks among 447 medical oncology physician records in California
Steven Grant Deeks, MD is one of 447 medical oncology physician records with a practice address in California. 82% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in San Francisco → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Donald Abrams, MDSan Francisco, CA 941431679530018
- Weiyun Ai, MDSan Francisco, CA 941431649346842
- Rohit Bose, M.D., PH.D.San Francisco, CA 941431710140850
- Edward Cha, M.D.San Francisco, CA 941431134330988
- Lloyd Damon, MDSan Francisco, CA 941431548224058
- Kristen Hege, MDSan Francisco, CA 941431710925987
- Gerald Hsu, MDSan Francisco, CA 941431467501080
- Lawrence Kaplan, MDSan Francisco, CA 941431437113586
Common questions
What is Steven Grant Deeks, MD's NPI number?
Steven Grant Deeks, MD's National Provider Identifier (NPI) is 1073604666, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Grant Deeks, MD located?
The NPPES record lists a practice address at 513 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-9362. Providers update this record themselves, so call before visiting.
How can I verify Steven Grant Deeks, MD's license?
NPPES lists California license number G73895, 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 Steven Grant Deeks, MD prescribe under Medicare Part D?
In 2024, Steven Grant Deeks, MD had 1,272 Medicare Part D claims for 35 beneficiaries; the average among medical oncology physician prescribers was 703. 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.