COLLEEN A WEISSMANN MD
NPI 1760465959
Internal Medicine in Loveland, CO
About Colleen A Weissmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN A WEISSMANN MD (NPI 1760465959) is an individual internal medicine provider in Loveland, Colorado, licensed in Colorado (33316) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Accepted Insurance
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
Colleen A Weissmann Md 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 Colleen Weissmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Loveland, CO 80537
- Reassigned Medicare billing, Colorado enrollment
- 36 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80538 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.
LOVELAND, CO 80538
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 Colleen Weissmann's NPI number?
The NPI number for Colleen Weissmann is 1760465959. It was assigned to this individual provider in the NPPES registry on November 22, 2005. The provider is also known as Colleen A Donahue MD.
Where is Colleen Weissmann located?
Colleen Weissmann practices at 2923 Ginnala Dr, Loveland, CO 80538. The listed phone number is (970) 669-6660.
What is Colleen Weissmann's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Colleen Weissmann enrolled in Medicare?
Yes. Colleen Weissmann 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 Colleen Weissmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Weissmann reassigns Medicare benefits to Rocky Mountain Clinics LLC (Loveland, CO). 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 Colleen Weissmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Weissmann accept?
Health plans from UnitedHealthcare list Colleen Weissmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Colleen Weissmann was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.
# Colleen A Weissmann, MD · NPI 1760465959
Internal Medicine physician in Loveland, Colorado. Individual provider, active in the CMS NPPES registry since November 22, 2005.
## Identity
- **NPI:** 1760465959 (Entity type: Individual)
- **Enumerated:** November 22, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 33316 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2923 GINNALA DR, Loveland, CO 80538-2702
- **Phone:** (970) 669-6660 · **Fax:** (970) 663-0721
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rocky Mountain Clinics LLC (NPI 1144945155, Loveland, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Alabama School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Other WE65774 (CO); Medicaid 01333160 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1760465959) · Data from the CMS NPPES public registry.