Robert Lawrence Cohen, MD
Hematology & Oncology Physician · San Mateo, CA
Robert Lawrence Cohen, MD is a hematology & oncology physician with a practice address in San Mateo, California, and NPI 1073034765, issued on Jul 3, 2017. Check the license (California G56531, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Lawrence Cohen
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G56531 CA
Self-reported in NPPES; status is on the state search - Practice location
- 660 Parrott Dr, San Mateo, CA 94402
- Phone
- (650) 342-4357
- Enumerated
- Jul 3, 2017
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Robert Lawrence Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Lawrence Cohen among 1,583 hematology & oncology physician records in California
Robert Lawrence Cohen, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,583 in California → Every provider in San Mateo → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Kent Adler, M.D.San Mateo, CA 944021013074632
- Jennifer Brown, M.D.San Mateo, CA 944021740347350
- Karen Chee, M.D.San Mateo, CA 944021487637310
- Bradley Ekstrand, M.D., PH.D.San Mateo, CA 944021528125135
- Jelena Kao, MDSan Mateo, CA 944021932242062
- Sirisha Tummala, MDSan Mateo, CA 944021851755151
- Elham Vosoughi, M.D.San Mateo, CA 944021134658669
- Katrina FischerSan Mateo, CA 944011477972388
Common questions
What is Robert Lawrence Cohen, MD's NPI number?
Robert Lawrence Cohen, MD's National Provider Identifier (NPI) is 1073034765, issued on Jul 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lawrence Cohen, MD located?
The NPPES record lists a practice address at 660 Parrott Dr, San Mateo, CA, 94402. Phone: (650) 342-4357. Providers update this record themselves, so call before visiting.
How can I verify Robert Lawrence Cohen, MD's license?
NPPES lists California license number G56531, 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.