DR. HAL LOUIS GROTKE MD
NPI 1790841278
Family Medicine in Eureka, CA
About Dr. Hal Louis Grotke Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAL LOUIS GROTKE MD (NPI 1790841278) is an individual family medicine provider in Eureka, California, licensed in California (A78266) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Hal Louis Grotke Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Hal Grotke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Eureka, CA 95501
- Reassigned Medicare billing, California enrollment
- 175 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
EUREKA, CA 95501
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 Hal Grotke's NPI number?
The NPI number for Hal Grotke is 1790841278. It was assigned to this individual provider in the NPPES registry on December 28, 2006.
Where is Hal Grotke located?
Hal Grotke practices at 2350 Buhne St Suite A, Eureka, CA 95501. The listed phone number is (707) 443-4593.
What is Hal Grotke's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Hal Grotke enrolled in Medicare?
Yes. Hal Grotke is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Hal Grotke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hal Grotke reassigns Medicare benefits to Open Door Community Health Centers (Eureka, 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 Hal Grotke'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 Hal Grotke was last updated on February 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.