Gregory Allan Niderost
Certified Registered Nurse Anesthetist · Willits, CA
Gregory Allan Niderost is a certified registered nurse anesthetist with a practice address in Willits, California, and NPI 1255319679, issued on Jan 5, 2006. Check the license (California 1602, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Allan Niderost
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 1602 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Madrone St, Willits, CA 95490
- Phone
- (707) 456-3171
- Enumerated
- Jan 5, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20040607000554); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1 Madrone St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cindy Bodensteiner, RNRegistered Nurse First Assistant1902018955
- Andrea Braverman, R.D.Registered Dietitian1629120860
- Constance Criswell, CRNACertified Registered Nurse Anesthetist1114905122
- Mary Farkas, RD/MNTRegistered Dietitian1720065717
- Charles Hott, MDEmergency Medical Services (Emergency Medicine) Physician1164409116
- Nancy Moilanen, SPEECH PATHOLOGISTSpeech-Language Pathologist1811179336
Verify Gregory Allan Niderost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1602Check 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
- Willits Hospital IncWillits, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 certified registered nurse anesthetist records list a practice address in Willits
They are 4 of the 162 NPPES records with a practice address in Willits, and 2,943 certified registered nurse anesthetist records in California.
All 4 in Willits → All 2,943 in California → Every provider in Willits →
Other certified registered nurse anesthetist records in California
- Elizabeth Aban, CRNACamp Pendleton, CA1164863692
- Ali Abanobi, CRNALos Angeles, CA1740756196
- Carolina Abbassi, CRNAStanford, CA1710037296
- Geraldine Abcede, RNSan Diego, CA1982384046
- Hadia Abdelgawad, CRNAStanford, CA1760094015
- Ala AbedrabboColton, CA1972333144
- Kristy AbelSan Diego, CA1962113035
- Alyssa Aboff, CRNA, DNPRiverside, CA1760133292
- Stevan AbtIrvine, CA1487306437
- Maria Jeana Acabal, CRNABrawley, CA1629369517
Common questions
What is Gregory Allan Niderost's NPI number?
Gregory Allan Niderost's National Provider Identifier (NPI) is 1255319679, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Allan Niderost located?
The NPPES record lists a practice address at 1 Madrone St, Willits, CA, 95490. Phone: (707) 456-3171. Providers update this record themselves, so call before visiting.
How can I verify Gregory Allan Niderost's license?
NPPES lists California license number 1602, 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.