Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. GREGORY ALLAN NIDEROST
NPI 1255319679
Nurse Anesthetist, Certified Registered in Willits, CA

Active since January 05, 2006
1 MADRONE ST, WILLITS, CA 95490(707) 456-3171 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mr. Gregory Allan Niderost NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. GREGORY ALLAN NIDEROST (NPI 1255319679) is an individual nurse anesthetist, certified registered in Willits, California, licensed in California (1602) and active in the NPI registry since January 2006. He is a graduate of Other (1990).

NPPES Registry Identity

NPI1255319679
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. GREGORY ALLAN NIDEROST
Location Address1 MADRONE STWillits, CA 95490-4225
Mailing Address1 Madrone StWillits, CA 95490-4225 · (707) 456-3171
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateJanuary 5, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1255319679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License Licensed in CA · 1602
Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

1 MADRONE ST, Willits, CA 95490

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Gregory Allan Niderost is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42292625
PECOS Enrollment IDI20040607000554

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anesthesia for procedure for total knee joint replacement

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

This service was performed 11 times for 11 patients

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
1 MADRONE ST
WILLITS, CA 95490
Registered Nurse (General Practice)
1 MADRONE ST, FRANK HOWARD MEMORIAL HOSPITAL
WILLITS, CA 95490
Dietitian, Registered
1 MADRONE ST
WILLITS, CA 95490
Registered Nurse (Registered Nurse First Assistant)
1 MADRONE ST
WILLITS, CA 95490
Speech-Language Pathologist
1 MADRONE ST
WILLITS, CA 95490
Speech-Language Pathologist
1 MADRONE ST
WILLITS, CA 95490
Nurse Practitioner (Acute Care)
1 MADRONE ST
WILLITS, CA 95490
Nurse Anesthetist, Certified Registered
1 MADRONE ST
WILLITS, CA 95490
Radiology (Diagnostic Radiology)
1 MADRONE ST
WILLITS, CA 95490
Registered Nurse (Diabetes Educator)
1 MADRONE ST
WILLITS, CA 95490
Nurse Anesthetist, Certified Registered
1 MADRONE ST
WILLITS, CA 95490
Emergency Medicine (Emergency Medical Services)
1 MADRONE ST
WILLITS, CA 95490
Nurse Anesthetist, Certified Registered
1 MADRONE ST
WILLITS, CA 95490
Dietitian, Registered
1 MADRONE ST
WILLITS, CA 95490

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255319679, enumerated as an "individual" on January 05, 2006.

The provider is located at 1 MADRONE ST WILLITS, CA 95490 and the phone number is (707) 456-3171.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.