NPPES file of Aug 9, 2026

Joseph Rosenthal, MD

Pediatric Hematology & Oncology Physician · Duarte, CA

Joseph Rosenthal, MD is a pediatric hematology & oncology physician with a practice address in Duarte, California, and NPI 1164526448, issued on Sep 8, 2006. Check the license (California A52229, 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
1164526448
Name
Joseph Rosenthal
Credential
MD
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License number
A52229 CA
Self-reported in NPPES; status is on the state search
Practice location
1500 E Duarte RD, Duarte, CA 91010
Phone
(626) 359-8111
Enumerated
Sep 8, 2006
Record last updated
Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00A522290 CA
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 1500 E Duarte RD

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

  1. Avo Artinyan, MDSurgical Oncology Physician1609934942
  2. Razmig Babikian, RN, FNP-BCFamily Nurse Practitioner1295176394
  3. Jennifer Baecker, MSN, ANPGerontology Nurse Practitioner1548689649
  4. Sharon Baik, PHDClinical Psychologist1316654577
  5. Sarkis Baltayian, MDAnesthesiology Physician1932165776
  6. Elizabeth Bernardi, PA CPhysician Assistant1699980896

Verify Joseph Rosenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A52229
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $12,155.64

3 payments; by number, the most common kind was consulting fee; the largest payer was Amgen Inc. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Rosenthal$12,156
  2. Specialty average$7,404

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Joseph Rosenthal among 417 pediatric hematology & oncology physician records in California

Joseph Rosenthal, MD is one of 417 pediatric hematology & oncology physician records with a practice address in California. 53% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 65% newer
  • In a Medicare fileYes · 53% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2020 · 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 2080P0207X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in California

There are 417 pediatric hematology & oncology physician records in California.

The 8 pediatric hematology & oncology physician records with the nearest ZIP codes

  1. Saro Armenian, MDDuarte, CA 910101982753521
  2. Rusha Bhandari, M.D.Duarte, CA 910101396150736
  3. Ellen Bolotin, MDDuarte, CA 910101730289471
  4. Suzan Imren, MDDuarte, CA 910101699955054
  5. Nicole Karras, MDDuarte, CA 910101790907962
  6. James Miser, MDDuarte, CA 910101215022264
  7. Lisa Mueller, MDDuarte, CA 910101972600179
  8. Lindsey Murphy, M.D.Duarte, CA 910101255794426

Common questions

What is Joseph Rosenthal, MD's NPI number?

Joseph Rosenthal, MD's National Provider Identifier (NPI) is 1164526448, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Rosenthal, MD located?

The NPPES record lists a practice address at 1500 E Duarte RD, Duarte, CA, 91010. Phone: (626) 359-8111. Providers update this record themselves, so call before visiting.

How can I verify Joseph Rosenthal, MD's license?

NPPES lists California license number A52229, 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. 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.