Alexander Isaac Salter, MD, PHD
Hematology & Oncology Physician · Palo Alto, CA
Alexander Isaac Salter, MD, PHD is a hematology & oncology physician with a practice address in Palo Alto, California, and NPI 1023698388, issued on Apr 12, 2021. Check the license (California A185173, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Isaac Salter
- Credential
- MD, PHD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- A185173 CA
289102 MA
Self-reported in NPPES; status is on the state search - Practice location
- 291 Campus Dr, Palo Alto, CA 94305
- Phone
- (650) 497-8000
- Enumerated
- Apr 12, 2021
- Record last updated
- Jun 23, 2023
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 291 Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abby ChenStudent in an Organized Health Care Education/Training Program1417766635
- Andrea GarofaloStudent in an Organized Health Care Education/Training Program1285436790
- Zihuai HeTechnician1689140345
- Kiera HooperPhysician Assistant1104604743
Verify Alexander Isaac Salter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
53 Medicare Part D claims for 14 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Alexander Isaac Salter among 1,583 hematology & oncology physician records in California
Alexander Isaac Salter, MD, 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2023 · 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 Palo Alto → 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 Alexander Isaac Salter, MD, PHD's NPI number?
Alexander Isaac Salter, MD, PHD's National Provider Identifier (NPI) is 1023698388, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Isaac Salter, MD, PHD located?
The NPPES record lists a practice address at 291 Campus Dr, Palo Alto, CA, 94305. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Alexander Isaac Salter, MD, PHD's license?
NPPES lists California license number A185173, 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 Alexander Isaac Salter, MD, PHD prescribe under Medicare Part D?
In 2024, Alexander Isaac Salter, MD, PHD had 53 Medicare Part D claims for 14 beneficiaries; 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.