Stephanie Elizabeth Nonawzki, DO
Pediatrics Physician · Vacaville, CA
Stephanie Elizabeth Nonawzki, DO is a pediatrics physician with a practice address in Vacaville, California, and NPI 1285214601, issued on Apr 9, 2021. Check the license (California 20A23890, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephanie Elizabeth Nonawzki
- Credential
- DO
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 20A23890 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Quality Dr, Vacaville, CA 95688
- Phone
- (707) 624-4300
- Enumerated
- Apr 9, 2021
- Record last updated
- Jun 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250906000635); may accept Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2021
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 1 Quality Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Elizabeth Nonawzki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stephanie Elizabeth Nonawzki among 9,272 pediatrics physician records in California
Stephanie Elizabeth Nonawzki, DO 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 not. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2021 · median 2012 among the 754 with a school on file
- Record last updated2025 · 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).
24 pediatrics physician records list a practice address in Vacaville
They are 24 of the 1,903 NPPES records with a practice address in Vacaville, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in Vacaville → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- George Balella, MDVacaville, CA 956881477631208
- Debashree Banerjee, MDVacaville, CA 956881588751952
- Steven Chun, MDVacaville, CA 956881104904929
- Fernandino Floresca, MDVacaville, CA 956881649358540
- Jeffrey Gaborko, MDVacaville, CA 956881174601983
- Kimmy Jong, M.D.Vacaville, CA 956881477754042
- Sandra Kramer, MDVacaville, CA 956881386722106
- Mary Land, MDVacaville, CA 956881194803098
Common questions
What is Stephanie Elizabeth Nonawzki, DO's NPI number?
Stephanie Elizabeth Nonawzki, DO's National Provider Identifier (NPI) is 1285214601, issued on Apr 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Elizabeth Nonawzki, DO located?
The NPPES record lists a practice address at 1 Quality Dr, Vacaville, CA, 95688. Phone: (707) 624-4300. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Elizabeth Nonawzki, DO's license?
NPPES lists California license number 20A23890, 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. 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.