Garrett James Kerwin, CRNA
Certified Registered Nurse Anesthetist · Fontana, CA
Garrett James Kerwin, CRNA is a certified registered nurse anesthetist with a practice address in Fontana, California, and NPI 1467868703, issued on Jul 8, 2014. Check the license (California 95000227, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garrett James Kerwin
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 95000227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Jul 8, 2014
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250623001865); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,943 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Solomon Abila, MDFamily Medicine Physician1871652479
- Jenny Abouelsood, M.D.Family Medicine Physician1457638512
- Marla Abrolat, MDPediatrics Physician1164593133
- Eduardo Acosta, MDPediatrics Physician1497803324
- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Garrett James Kerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95000227Check 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: $403.69
6 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 24,076 providers of this specialty with any payment received $135.08 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.
Bills Medicare through one group practice
- Northstar Anesthesia OF West Virginia PLLCMorgantown, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrett James Kerwin among 2,943 certified registered nurse anesthetist records in California
Garrett James Kerwin, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 52% of them.
- NPI issued2014 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2016 among the 2,089 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 certified registered nurse anesthetist records list a practice address in Fontana
They are 71 of the 3,012 NPPES records with a practice address in Fontana, and 2,943 certified registered nurse anesthetist records in California.
All 2,943 in California → Every provider in Fontana → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Jennifer Bjerk, CRNAFontana, CA 923351780743427
- Jeffrey Cagle, CRNAFontana, CA 923351508933367
- Nina Cortez, CRNAFontana, CA 923351942369673
- Shelley Currie, CRNAFontana, CA 923351366501074
- Veronica Davis, CRNAFontana, CA 923351245388172
- Wendy Flores, CRNAFontana, CA 923351982771721
- David Haga, CRNAFontana, CA 923351235206079
- Jeremy Heiner, CRNAFontana, CA 923351528127230
Common questions
What is Garrett James Kerwin, CRNA's NPI number?
Garrett James Kerwin, CRNA's National Provider Identifier (NPI) is 1467868703, issued on Jul 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Garrett James Kerwin, CRNA located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify Garrett James Kerwin, CRNA's license?
NPPES lists California license number 95000227, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.