Arielle Czerwinski, M.D.
Pediatrics Physician · Tarzana, CA
Arielle Czerwinski, M.D. is a pediatrics physician with a practice address in Tarzana, California, and NPI 1790164036, issued on May 20, 2015. Check the license (California 146136, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arielle Czerwinski
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 146136 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18321 Clark St, Tarzana, CA 91356
- Phone
- (818) 881-0800
- Enumerated
- May 20, 2015
- Record last updated
- Jul 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180918002316); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 18321 Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Abkian, MDInternal Medicine Physician1750841920
- Sheriff AbuduHospitalist Physician1770978298
- Mohammad Abuzaineh, M.D.Anesthesiology Physician1992712806
- Amir Ahmed, MDHospitalist Physician1306425640
- Celia Alconcel, M.D.Neonatal-Perinatal Medicine Physician1982615654
- Nathan AlyeshInternal Medicine Physician1417362856
Verify Arielle Czerwinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 146136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Childrens Hospital Los Angeles Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arielle Czerwinski among 9,272 pediatrics physician records in California
Arielle Czerwinski, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2010 · median 2012 among the 754 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 pediatrics physician records list a practice address in Tarzana
They are 26 of the 2,122 NPPES records with a practice address in Tarzana, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Tarzana → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Robert Barnhard, M.D.Tarzana, CA 913561215962899
- Glenn Irani, M.D.Tarzana, CA 913561154458958
- Kristine Irani, M.D.Tarzana, CA 913561790812501
- Monica Kandavel, M.D.Tarzana, CA 913561114952488
- Norman Lavin, MDTarzana, CA 913561811902786
- Sharon Lee, MDTarzana, CA 913561619076627
- Jason Lee, MDTarzana, CA 913561841499365
- Guiragos Minassian, MDTarzana, CA 913561871681817
Common questions
What is Arielle Czerwinski, M.D.'s NPI number?
Arielle Czerwinski, M.D.'s National Provider Identifier (NPI) is 1790164036, issued on May 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Arielle Czerwinski, M.D. located?
The NPPES record lists a practice address at 18321 Clark St, Tarzana, CA, 91356. Phone: (818) 881-0800. Providers update this record themselves, so call before visiting.
How can I verify Arielle Czerwinski, M.D.'s license?
NPPES lists California license number 146136, 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.