Daniel S. Chen, MD
Hematology & Oncology Physician · Stanford, CA
Daniel S. Chen, MD is a hematology & oncology physician with a practice address in Stanford, California, and NPI 1154457323, issued on Feb 24, 2007. Check the license (California A69501, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Daniel S. Chen
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A69501 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Feb 24, 2007
- Record last updated
- Apr 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A695010 CA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
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Verify Daniel S. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Daniel S. Chen among 1,583 hematology & oncology physician records in California
Daniel S. Chen, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 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 Stanford → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Steven Artandi, M.D.Stanford, CA 943051548352909
- Linda Boxer, M.D.Stanford, CA 943051306938766
- Cheryl Cho-Phan, MDStanford, CA 943051508877929
- Gilbert Chu, MDStanford, CA 943051417083684
- George Fisher, MDStanford, CA 943051255446308
- Sandra Horning, M.D.Stanford, CA 943051578607669
- Harold Keer, MDStanford, CA 943051124154398
- Ginna Laport, M.D.Stanford, CA 943051144370743
Common questions
What is Daniel S. Chen, MD's NPI number?
Daniel S. Chen, MD's National Provider Identifier (NPI) is 1154457323, issued on Feb 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel S. Chen, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Daniel S. Chen, MD's license?
NPPES lists California license number A69501, 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.