Michael McGrath, M.D., PHD
Hematology & Oncology Physician · San Francisco, CA
Michael McGrath, M.D., PHD is a hematology & oncology physician with a practice address in San Francisco, California, and NPI 1508399155, issued on Apr 10, 2017. Check the license (California G5051248, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael McGrath
- Credential
- M.D., PHD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G5051248 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave RM 207, San Francisco, CA 94110
- Phone
- (415) 206-5268
- Enumerated
- Apr 10, 2017
- Record last updated
- Apr 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Michael McGrath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G5051248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
18 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Michael McGrath among 1,583 hematology & oncology physician records in California
Michael McGrath, M.D., PHD 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. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2017 · 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.
All 1,583 in California → Every provider in San Francisco → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Michael Burgess, M.D., PH.D.San Francisco, CA 941101083869242
- Niharika Dixit, M.DSan Francisco, CA 941101912165440
- Yuankai Lin, MD, PHDSan Francisco, CA 941101831432988
- Elizabeth Read, M.D.San Francisco, CA 941071215278619
- Caroline Behler, M.D., M.S.San Francisco, CA 941151518155357
- Stephanie Jeske, MD, MSCSan Francisco, CA 941151194942813
- Ann Lanzerotti, M.D.San Francisco, CA 941151104227826
- Alfredo Lopez, MDSan Francisco, CA 941151033297668
Common questions
What is Michael McGrath, M.D., PHD's NPI number?
Michael McGrath, M.D., PHD's National Provider Identifier (NPI) is 1508399155, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael McGrath, M.D., PHD located?
The NPPES record lists a practice address at 1001 Potrero Ave RM 207, San Francisco, CA, 94110. Phone: (415) 206-5268. Providers update this record themselves, so call before visiting.
How can I verify Michael McGrath, M.D., PHD's license?
NPPES lists California license number G5051248, 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 Michael McGrath, M.D., PHD prescribe under Medicare Part D?
In 2024, Michael McGrath, M.D., PHD had 18 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.