Nicolas Richard Lazarewicz, FNP
Nurse Practitioner · Vacaville, CA
Nicolas Richard Lazarewicz, FNP is a nurse practitioner with a practice address in Vacaville, California, and NPI 1053540120, issued on Jul 9, 2009. Check the license (California 18973, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicolas Richard Lazarewicz
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 18973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 421 Nut Tree RD, Vacaville, CA 95687
- Phone
- (707) 624-7500
- Enumerated
- Jul 9, 2009
- Record last updated
- Apr 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110328000510); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 421 Nut Tree RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Cargill, NPNurse Practitioner1922642784
- Ana Cherry, M.D.Family Medicine Physician1679656573
- Garth Davis, MDInternal Medicine Physician1770535692
Verify Nicolas Richard Lazarewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average nurse practitioner in 2024
1,994 Medicare Part D claims for 560 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium125 claims
- Fluticasone Propionate111 claims
- Lisinopril75 claims
- Levothyroxine Sodium71 claims
- Losartan Potassium66 claims
- Amlodipine Besylate55 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Northbay Health Medical FoundationVacaville, CA
- Northbay Physicians Surgery Center, LLCVacaville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicolas Richard Lazarewicz among 8,223 nurse practitioner records in California
Nicolas Richard Lazarewicz, FNP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 68% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2009 · median 2017 among the 3,425 with a school on file
- Record last updated2011 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 nurse practitioner records list a practice address in Vacaville
They are 18 of the 1,903 NPPES records with a practice address in Vacaville, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Vacaville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Richard Bautista, NPVacaville, CA 956871699434860
- Mary Cargill, NPVacaville, CA 956871922642784
- Laxmi Dhakal, NPVacaville, CA 956871376461863
- Kathryn Jackson, NURSE PRACTITIONERVacaville, CA 956871790907764
- Shami Prasad-ClerveVacaville, CA 956871912400318
- Susan Rosten, NPVacaville, CA 956871659439602
- Riza Tiglao, FNPVallejo, CA 956871285341743
- Hannah Crowl, NPVacaville, CA 956881932446598
Common questions
What is Nicolas Richard Lazarewicz, FNP's NPI number?
Nicolas Richard Lazarewicz, FNP's National Provider Identifier (NPI) is 1053540120, issued on Jul 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nicolas Richard Lazarewicz, FNP located?
The NPPES record lists a practice address at 421 Nut Tree RD, Vacaville, CA, 95687. Phone: (707) 624-7500. Providers update this record themselves, so call before visiting.
How can I verify Nicolas Richard Lazarewicz, FNP's license?
NPPES lists California license number 18973, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nicolas Richard Lazarewicz, FNP prescribe under Medicare Part D?
In 2024, Nicolas Richard Lazarewicz, FNP had 1,994 Medicare Part D claims for 560 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
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.