NPPES file of Aug 9, 2026

Andrew Charles Dietz, MD, MS

Pediatric Hematology & Oncology Physician · Los Angeles, CA

Andrew Charles Dietz, MD, MS is a pediatric hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1700992443, issued on Aug 23, 2006. Check the license (California A117303, 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
1700992443
Name
Andrew Charles Dietz
Credential
MD, MS
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License numbers
A117303 CA
50809 MN
9008602-1205 UT
ML20008449 WA
Self-reported in NPPES; status is on the state search
Practice location
4650 W Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 361-2546
Enumerated
Aug 23, 2006
Record last updated
Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(323) 361-8068
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 4650 W Sunset Blvd

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

  1. Hisham Abdel-Azim, MDPediatric Hematology & Oncology Physician1114018694
  2. Ashraf Abou-Zamzam, MDPediatric Critical Care Medicine Physician1457442931
  3. Karineh Aboulian, MDPediatrics Physician1275774325
  4. Ahmed AbuhamadStudent in an Organized Health Care Education/Training Program1386478915
  5. Joanna Aceto, D.D.S.Pediatric Dentistry1033522578
  6. Etai Adam, M.D.Pediatrics Physician1578811998

Verify Andrew Charles Dietz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A117303
    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: $69,750.00

9 payments; by number, the most common kind was consulting fee; the largest payer was bluebird bio, 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. Andrew Dietz$69,750
  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.

Andrew Charles Dietz among 417 pediatric hematology & oncology physician records in California

Andrew Charles Dietz, MD, MS 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. Anna Butturini, MDLos Angeles, CA 900271467551499
  2. Jerry Cheng, M.D.Los Angeles, CA 900271093741175
  3. Thomas Coates, MDLos Angeles, CA 900271790885697
  4. Edward Gomperts, MDLos Angeles, CA 900271306946215
  5. Rima Jubran, MDLos Angeles, CA 900271649379140
  6. William May, MDLos Angeles, CA 900271790884898
  7. Fariba Navid, MDLos Angeles, CA 900271144223926
  8. Michael Pulsipher, M.D.Los Angeles, CA 900271932150315

Common questions

What is Andrew Charles Dietz, MD, MS's NPI number?

Andrew Charles Dietz, MD, MS's National Provider Identifier (NPI) is 1700992443, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Charles Dietz, MD, MS located?

The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 361-2546. Providers update this record themselves, so call before visiting.

How can I verify Andrew Charles Dietz, MD, MS's license?

NPPES lists California license number A117303, 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.