JEFFREY W GROLIG MD INC
NPI 1942489117
Clinic/Center - Rehabilitation in Red Bluff, CA
About Jeffrey W Grolig Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY W GROLIG MD INC (NPI 1942489117) is a healthcare organization registered as a rehabilitation in Red Bluff, California and active in the NPI registry since October 2007. The organization lists Jeffrey Wendall Grolig, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jeffrey W Grolig Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Jeffrey W Grolig MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Jeffrey W Grolig MD Inc's NPI number?
The NPI number for Jeffrey W Grolig MD Inc is 1942489117. It was assigned to this organization in the NPPES registry on October 24, 2007.
Where is Jeffrey W Grolig MD Inc located?
Jeffrey W Grolig MD Inc is located at 1005 Washington St, Red Bluff, CA 96080. The listed phone number is (530) 221-2520.
What is Jeffrey W Grolig MD Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, with taxonomy code 261QR0400X.
Is Jeffrey W Grolig MD Inc enrolled in Medicare?
Yes. Jeffrey W Grolig MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jeffrey W Grolig MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Physical Medicine and Rehabilitation) reassigns their Medicare billing to Jeffrey W Grolig MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Jeffrey W Grolig MD Inc was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Jeffrey W Grolig Md Inc · NPI 1942489117
Rehabilitation organization in Red Bluff, California. Organization record, active in the CMS NPPES registry since October 24, 2007.
## Identity
- **NPI:** 1942489117 (Entity type: Organization)
- **Enumerated:** October 24, 2007
- **Primary specialty:** Clinic/Center - Rehabilitation · taxonomy 261QR0400X
- **Organization subpart:** No
- **Authorized official:** Jeffrey Grolig, OWNER
## Practice location
- **Address:** 1005 WASHINGTON ST, Red Bluff, CA 96080-2746
- **Phone:** (530) 221-2520 · **Fax:** (530) 223-2899
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Physical Medicine and Rehabilitation) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 11, 2026
- **Other identifiers:** Medicaid 00C414610 (CA); Other 171374100 (CA); Other 41461 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1942489117) · Data from the CMS NPPES public registry.