JEFFREY W GROLIG MD INC
NPI 1942489117
Clinic/Center - Rehabilitation in Red Bluff, CA
NPI Status: Active since October 24, 2007
Contact Information
1005 WASHINGTON ST
RED BLUFF, CA
ZIP 96080
Phone: (530) 221-2520
Fax: (530) 223-2899
- Organization
- Clinic/Center
- Rehabilitation
About JEFFREY W GROLIG MD INC
This page provides the complete NPI Profile along with additional information for Jeffrey W Grolig Md Inc, a provider established in Red Bluff, California operating as a Clinic/center, focusing in rehabilitation . The healthcare provider is registered in the NPI registry with number 1942489117 assigned on October 2007. The practitioner's primary taxonomy code is 261QR0400X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Dr. Jeffrey Wendall Grolig Md (Owner)
- NPI
- 1942489117
- Provider Name
- JEFFREY W GROLIG MD INC
- Entity Type
- Organization
- Location Address
- 1005 WASHINGTON ST RED BLUFF, CA 96080
- Location Phone
- (530) 221-2520
- Location Fax
- (530) 223-2899
- Mailing Address
- 1005 WASHINGTON ST RED BLUFF, CA 96080
- Mailing Phone
- (530) 221-2520
- Mailing Fax
- (530) 223-2899
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 10-24-2007
- Last Update Date
- 05-11-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Rehabilitation
- Taxonomy Code
- 261QR0400X
- Type
- Ambulatory Health Care Facilities
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 00C414610 | MEDICAID (05) | CA | |
| 171374100 | OTHER (01) | CA | DEPT OF LABOR PROVIDERS # |
| 41461 | OTHER (01) | WA | DEPT OF LABOR PROVIDERS # |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1942489117, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 73 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
RED BLUFF, CA 96080
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942489117, enumerated as an "organization" on October 24, 2007.
The provider is located at 1005 WASHINGTON ST RED BLUFF, CA 96080 and the phone number is (530) 221-2520.
Clinic/Center with taxonomy code 261QR0400X and a focus in Rehabilitation.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
