NPPES file of Aug 9, 2026

Leon Terry Rabinowitz, M.D.

Hematology (Internal Medicine) Physician · San Jose, CA

Leon Terry Rabinowitz, M.D. is a hematology (internal medicine) physician with a practice address in San Jose, California, and NPI 1326050758, issued on Aug 13, 2006. Check the license (California G17362, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326050758
Name
Leon Terry Rabinowitz
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
G17362 CA
Self-reported in NPPES; status is on the state search
Practice location
4850 Union Ave, San Jose, CA 95124
Phone
(408) 947-1233
Enumerated
Aug 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 288-4181
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4850 Union Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shellyatta Beard, LCSW 99953Clinical Social Worker1558809608
  2. Jessica Bullock, PMHNP, RNPsychiatric/Mental Health Nurse Practitioner1750823530
  3. Natalie CadarioProfessional Counselor1376226720
  4. Casie Czerenda, PMHNPPsychiatric/Mental Health Nurse Practitioner1306662192
  5. Alaa Deeb, LMFTMarriage & Family Therapist1356137327
  6. Tammy Devincentis, FNPPsychiatric/Mental Health Nurse Practitioner1609022359

Verify Leon Terry Rabinowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G17362
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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91% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

46 Medicare Part D claims for 22 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Leon Rabinowitz46
  2. Specialty average496

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.

Leon Terry Rabinowitz among 175 hematology (internal medicine) physician records in California

Leon Terry Rabinowitz, M.D. is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 78% of these records are
  • Record last updated2007 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in California

There are 175 hematology (internal medicine) physician records in California.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Gwendolyn Ho, MDSan Jose, CA 951241487970547
  2. David Loftus, M.D.San Jose, CA 951281922315951
  3. Margaret Krackeler, MDSan Jose, CA 951191427685882
  4. James Poth, MDSanta Cruz, CA 950601053328575
  5. Mervyn Sahud, M.D.Oakland, CA 946121174806111
  6. Daniel CoreyOakland, CA 946021457518318
  7. Irene Dy, MDCastro Valley, CA 945461528393063
  8. Nitin Joshi, M.D.Castro Valley, CA 945461154541423

Common questions

What is Leon Terry Rabinowitz, M.D.'s NPI number?

Leon Terry Rabinowitz, M.D.'s National Provider Identifier (NPI) is 1326050758, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leon Terry Rabinowitz, M.D. located?

The NPPES record lists a practice address at 4850 Union Ave, San Jose, CA, 95124. Phone: (408) 947-1233. Providers update this record themselves, so call before visiting.

How can I verify Leon Terry Rabinowitz, M.D.'s license?

NPPES lists California license number G17362, 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 Leon Terry Rabinowitz, M.D. prescribe under Medicare Part D?

In 2024, Leon Terry Rabinowitz, M.D. had 46 Medicare Part D claims for 22 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.