Derrick Law Tao, MD
Hematology & Oncology Physician · San Francisco, CA
Derrick Law Tao, MD is a hematology & oncology physician with a practice address in San Francisco, California, and NPI 1881190254, issued on Apr 3, 2018. Check the license (California A202098, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derrick Law Tao
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A202098 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Divisadero St, San Francisco, CA 94115
- Phone
- (415) 353-7800
- Enumerated
- Apr 3, 2018
- Record last updated
- Oct 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20251106001591); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1701 Divisadero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Buchholz, MDPediatrics Physician1487738191
- Daniel Butler, M.D.Internal Medicine Physician1013320738
Verify Derrick Law Tao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A202098Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
26 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.
Industry payments in 2024: $152.80
6 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick Law Tao among 1,583 hematology & oncology physician records in California
Derrick Law Tao, 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. Its NPI, issued in 2018, is newer than 92% of them.
- NPI issued2018 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2018 · median 2003 among the 1,124 with a school on file
- Record last updated2025 · 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
- 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
- Francisco Martinez, MDSan Francisco, CA 941151649769225
- Amy Nelson, MDSan Francisco, CA 941151265510853
- Nayha Tahir, MDSan Francisco, CA 941151649733007
- Jahan Tavakoli, M.D.San Francisco, CA 941151942214887
Common questions
What is Derrick Law Tao, MD's NPI number?
Derrick Law Tao, MD's National Provider Identifier (NPI) is 1881190254, issued on Apr 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Derrick Law Tao, MD located?
The NPPES record lists a practice address at 1701 Divisadero St, San Francisco, CA, 94115. Phone: (415) 353-7800. Providers update this record themselves, so call before visiting.
How can I verify Derrick Law Tao, MD's license?
NPPES lists California license number A202098, 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 Derrick Law Tao, MD prescribe under Medicare Part D?
In 2024, Derrick Law Tao, MD had 26 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.