NPPES file of Aug 9, 2026

Thomas Ambrosini, NP

Nurse Practitioner · Woodland, CA

Thomas Ambrosini, NP is a nurse practitioner with a practice address in Woodland, California, and NPI 1114067006, issued on Feb 8, 2007. Check the license (California NP11214, as entered in NPPES) with the California board that licenses this profession; 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
1114067006
Name
Thomas Ambrosini
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NP11214 CA
Self-reported in NPPES; status is on the state search
Practice location
1325 Cottonwood St, Woodland, CA 95695
Phone
(530) 662-3961
Enumerated
Feb 8, 2007
Record last updated
Mar 25, 2024
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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8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 1325 Cottonwood St

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

  1. Mariam Ahmadzai, OTOccupational Therapist1225204019
  2. Daniel Bolster, M.D.Emergency Medicine Physician1861555732
  3. Daniel Carter, DOEmergency Medicine Physician1902425713
  4. Natalie Delfin, ACSWSocial Worker1194158089
  5. Richard Gilgut, PA-CMedical Physician Assistant1285987909
  6. Jeffrey Heffernon, MDDiagnostic Radiology Physician1174625131

Verify Thomas Ambrosini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license NP11214    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
Find the California license search

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94% fewer Medicare Part D claims than the average nurse practitioner in 2024

64 Medicare Part D claims for 46 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Thomas Ambrosini64
  2. Specialty average1,109

Most prescribed

  1. Cephalexin14 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.

Thomas Ambrosini among 8,223 nurse practitioner records in California

Thomas Ambrosini, NP 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 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 73% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2024 · 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).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in Woodland → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Clariza Aguillon-Doms, NPWoodland, CA 956951174836993
  2. Amanda Eckrich-Gaub, FNP-CWoodland, CA 956951699448126
  3. Richard MezaWoodland, CA 956951144495128
  4. Colleen Perry, NPFWoodland, CA 956951982783486
  5. Man Lung Wu, AGPCNP-BCWoodland, CA 956951063028959
  6. Linda Young, NPVacaville, CA 956961558443408
  7. Cheryl Acob, N.P.West Sacramento, CA 956911457429086
  8. Katie AguilarWest Sacramento, CA 956911427766963

Common questions

What is Thomas Ambrosini, NP's NPI number?

Thomas Ambrosini, NP's National Provider Identifier (NPI) is 1114067006, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Ambrosini, NP located?

The NPPES record lists a practice address at 1325 Cottonwood St, Woodland, CA, 95695. Phone: (530) 662-3961. Providers update this record themselves, so call before visiting.

How can I verify Thomas Ambrosini, NP's license?

NPPES lists California license number NP11214, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas Ambrosini, NP prescribe under Medicare Part D?

In 2024, Thomas Ambrosini, NP had 64 Medicare Part D claims for 46 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.