Robert Arnold Bok, MD, PHD
Medical Oncology Physician · San Francisco, CA
Robert Arnold Bok, MD, PHD is a medical oncology physician with a practice address in San Francisco, California, and NPI 1235312323, issued on Dec 11, 2007. Check the license (California A51379, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Arnold Bok
- Credential
- MD, PHD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A51379 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 4TH St, San Francisco, CA 94158
- Phone
- (415) 514-9716
- Enumerated
- Dec 11, 2007
- Record last updated
- Dec 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 514-9656
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Verify Robert Arnold Bok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A51379Check 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: $139.00
1 payment: food and beverage; the largest payer was GE Healthcare. 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.
Robert Arnold Bok among 447 medical oncology physician records in California
Robert Arnold Bok, MD, PHD 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 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
- Luai Al Rabadi, M.D.San Francisco, CA 941581659637452
- Divneet Mandair, MSSan Francisco, CA 941581033614342
- Hemali Batra-Sharma, MDSan Francisco, CA 941431225529928
- Guus Bol, MD, PHDSan Francisco, CA 941431932914926
- Aman Chauhan, MDSan Francisco, CA 941431902193147
- Michael Cheng, MDSan Francisco, CA 941431306105309
- Ivan De KouchkovskySan Francisco, CA 941431245692839
- Kelly Fitzgerald, MDSan Francisco, CA 941431659804557
Common questions
What is Robert Arnold Bok, MD, PHD's NPI number?
Robert Arnold Bok, MD, PHD's National Provider Identifier (NPI) is 1235312323, issued on Dec 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Arnold Bok, MD, PHD located?
The NPPES record lists a practice address at 1700 4TH St, San Francisco, CA, 94158. Phone: (415) 514-9716. Providers update this record themselves, so call before visiting.
How can I verify Robert Arnold Bok, MD, PHD's license?
NPPES lists California license number A51379, 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.