BOULDER VALLEY GASTROENTEROLOGY INC.
NPI 1134715360
Internal Medicine - Gastroenterology in Denver, CO
About Boulder Valley Gastroenterology Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BOULDER VALLEY GASTROENTEROLOGY INC. (NPI 1134715360), doing business as Gastroenterology Of The Rockies, is a healthcare organization registered as a gastroenterology in Denver, Colorado and active in the NPI registry since December 2020. The organization lists Daus Mahnke, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Boulder Valley Gastroenterology Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
57Medicare enrollment records show 57 clinicians reassign Medicare billing to Boulder Valley Gastroenterology Inc., which bills Medicare for the services they deliver. Of these, 17 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 57Source: 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 Boulder Valley Gastroenterology Inc.'s NPI number?
The NPI number for Boulder Valley Gastroenterology Inc. is 1134715360. It was assigned to this organization in the NPPES registry on December 11, 2020. The provider is doing business as Gastroenterology of the Rockies.
Where is Boulder Valley Gastroenterology Inc. located?
Boulder Valley Gastroenterology Inc. is located at 1960 N Ogden St Ste 210, Denver, CO 80218. The listed phone number is (303) 604-5000.
What is Boulder Valley Gastroenterology Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Boulder Valley Gastroenterology Inc. enrolled in Medicare?
Yes. Boulder Valley Gastroenterology Inc. is registered in the Medicare PECOS enrollment system.
When is Boulder Valley Gastroenterology Inc.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Colorado, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Boulder Valley Gastroenterology Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 57 clinicians in 4 Medicare specialties reassign their Medicare billing to Boulder Valley Gastroenterology 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. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (29), Gastroenterology (20) and Internal Medicine (5). Of these, 17 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Boulder Valley Gastroenterology Inc. was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Boulder Valley Gastroenterology Inc. · NPI 1134715360
Gastroenterology organization in Denver, Colorado. Organization record, active in the CMS NPPES registry since December 11, 2020.
## Identity
- **NPI:** 1134715360 (Entity type: Organization)
- **Enumerated:** December 11, 2020
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Also known as:** Gastroenterology of the Rockies (Doing Business As)
- **Organization subpart:** Yes (part of Boulder Valley Gastroenterology Inc.)
- **Authorized official:** Daus Mahnke, MD
## Practice location
- **Address:** 1960 N OGDEN ST STE 210, Denver, CO 80218-3668
- **Phone:** (303) 604-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Colorado, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 57 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (29), Gastroenterology (20), Internal Medicine (5); 17 practice within 10 miles; [full list](https://npiprofile.com/npi/1134715360/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 11, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1134715360) · Data from the CMS NPPES public registry.