Sara Regina Kreimer, M.D.
Pediatric Hematology & Oncology Physician · Los Angeles, CA
Sara Regina Kreimer, M.D. is a pediatric hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1265783039, issued on Sep 20, 2012. Check the license (California A122929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sara Regina Kreimer
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- A122929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 409-6931
- Enumerated
- Sep 20, 2012
- Record last updated
- Sep 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 417 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Sara Regina Kreimer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $29.15
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sara Regina Kreimer among 417 pediatric hematology & oncology physician records in California
Sara Regina Kreimer, M.D. 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 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 23% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2019 · 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.
All 417 in California → Every provider in Los Angeles → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Jayme OginoLos Angeles, CA 900331366947244
- Richard Shearer, MDLos Angeles, CA 900341407915077
- Vasilios Berdoukas, MDLos Angeles, CA 900271588097950
- Kasey Burnside, PNP-PCLos Angeles, CA 900271003589144
- Elizabeth Eom, M.D.Los Angeles, CA 900271427443621
- Ashley Gray, M.D., M.S.Los Angeles, CA 900271801282017
- Brittany Ivory, MD, MPHLos Angeles, CA 900271790278877
- Kristiyana Kaneva, M.D.Los Angeles, CA 900271255770046
Common questions
What is Sara Regina Kreimer, M.D.'s NPI number?
Sara Regina Kreimer, M.D.'s National Provider Identifier (NPI) is 1265783039, issued on Sep 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sara Regina Kreimer, M.D. located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 409-6931. Providers update this record themselves, so call before visiting.
How can I verify Sara Regina Kreimer, M.D.'s license?
NPPES lists California license number A122929, 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.