James Scott McClellan, M.D., PH.D.
Hematology & Oncology Physician · Stanford, CA
James Scott McClellan, M.D., PH.D. is a hematology & oncology physician with a practice address in Stanford, California, and NPI 1477733202, issued on Nov 8, 2007. Check the license (California A101264, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Scott McClellan
- Credential
- M.D., PH.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A101264 CA
Self-reported in NPPES; status is on the state search - Practice location
- 265 Campus Dr, Stanford, CA 94305
- Phone
- (650) 723-6661
- Enumerated
- Nov 8, 2007
- Record last updated
- Oct 3, 2013 (not updated in 13 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 →
Also registered at 265 Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Lee, M.D., PH.D.Medical Oncology Physician1083908289
- Maria-Grazia Roncarolo, M.D.Pediatric Hematology & Oncology Physician1144622010
Verify James Scott McClellan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Scott McClellan among 1,583 hematology & oncology physician records in California
James Scott McClellan, M.D., PH.D. 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 updated2013 · 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
- Daniel Chen, MDStanford, CA 943051154457323
- 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
Common questions
What is James Scott McClellan, M.D., PH.D.'s NPI number?
James Scott McClellan, M.D., PH.D.'s National Provider Identifier (NPI) is 1477733202, issued on Nov 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Scott McClellan, M.D., PH.D. located?
The NPPES record lists a practice address at 265 Campus Dr, Stanford, CA, 94305. Phone: (650) 723-6661. Providers update this record themselves, so call before visiting.
How can I verify James Scott McClellan, M.D., PH.D.'s license?
NPPES lists California license number A101264, 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.