RONALD E GUTH M.D.
NPI 1720016439
Anesthesiology in Ukiah, CA
About Ronald E Guth M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONALD E GUTH M.D. (NPI 1720016439) is an individual anesthesiology provider in Ukiah, California, licensed in California (G44960) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ronald E Guth M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Ronald Guth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ukiah, CA 95482
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UKIAH, CA 95482
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ronald Guth's NPI number?
The NPI number for Ronald Guth is 1720016439. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Ronald Guth located?
Ronald Guth practices at 275 Hospital Dr, Ukiah, CA 95482. The listed phone number is (707) 462-3111.
What is Ronald Guth's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ronald Guth enrolled in Medicare?
Yes. Ronald Guth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ronald Guth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Guth reassigns Medicare benefits to Anesthesia Management Services Of California Inc (Ukiah, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ronald Guth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ronald Guth was last updated on September 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.