Timothy John Ellis-Caleo, MD
Medical Oncology Physician · Stanford, CA
Timothy John Ellis-Caleo, MD is a medical oncology physician with a practice address in Stanford, California, and NPI 1891258737, issued on Apr 8, 2019. Check the license (California A176813, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy John Ellis-Caleo
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A176813 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Apr 8, 2019
- Record last updated
- Jul 1, 2026
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
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Verify Timothy John Ellis-Caleo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A176813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical oncology physician in 2024
87 Medicare Part D claims for 41 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Timothy John Ellis-Caleo among 447 medical oncology physician records in California
Timothy John Ellis-Caleo, MD is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 medical oncology physician records list a practice address in Stanford
They are 82 of the 5,606 NPPES records with a practice address in Stanford, and 447 medical oncology physician records in California.
All 447 in California → Every provider in Stanford → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Priyamvadha Chakravarthi, M.D.Stanford, CA 943051437148061
- Gregory Heestand, M.D.Stanford, CA 943051770568867
- Haruka Itakura, M.D.Stanford, CA 943051669413449
- Howard Lee, MDStanford, CA 943051891702312
- Donald Lombardi, MDStanford, CA 943051053339788
- Min Lu, MDStanford, CA 943051568488526
- Pamela Munster, MDStanford, CA 943051619997145
- Mark Pegram, M.D.Stanford, CA 943051356361554
Common questions
What is Timothy John Ellis-Caleo, MD's NPI number?
Timothy John Ellis-Caleo, MD's National Provider Identifier (NPI) is 1891258737, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Timothy John Ellis-Caleo, 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 Timothy John Ellis-Caleo, MD's license?
NPPES lists California license number A176813, 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 Timothy John Ellis-Caleo, MD prescribe under Medicare Part D?
In 2024, Timothy John Ellis-Caleo, MD had 87 Medicare Part D claims for 41 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Timothy John Ellis-Caleo, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.