DR. LIVIA SELINA TSIEN MD
NPI 1689013229
Internal Medicine in Fort Collins, CO
About Dr. Livia Selina Tsien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LIVIA SELINA TSIEN MD (NPI 1689013229) is an individual internal medicine provider in Fort Collins, Colorado, licensed in Colorado (DR.0061981) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2013).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Livia Selina Tsien 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 Livia Tsien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 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 11
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 80528 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT COLLINS, CO 80528
FORT COLLINS, CO 80528
FORT COLLINS, CO 80528
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 Livia Tsien's NPI number?
The NPI number for Livia Tsien is 1689013229. It was assigned to this individual provider in the NPPES registry on June 17, 2013.
Where is Livia Tsien located?
Livia Tsien practices at 4674 Snow Mesa Dr Ste 100, Fort Collins, CO 80528. The listed phone number is (970) 482-3712.
What is Livia Tsien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Livia Tsien enrolled in Medicare?
Yes. Livia Tsien 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 Livia Tsien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Livia Tsien reassigns Medicare benefits to Poudre Valley Medical Group, 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 Livia Tsien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Livia Tsien accept?
Health plans from Select Health and UnitedHealthcare list Livia Tsien 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 Livia Tsien was last updated on August 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Livia Selina Tsien, MD · NPI 1689013229
Internal Medicine physician in Fort Collins, Colorado. Individual provider, active in the CMS NPPES registry since June 17, 2013.
## Identity
- **NPI:** 1689013229 (Entity type: Individual)
- **Enumerated:** June 17, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** DR.0061981 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4674 SNOW MESA DR STE 100, Fort Collins, CO 80528-8614
- **Phone:** (970) 482-3712 · **Fax:** (970) 266-4190
## 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:** Poudre Valley Medical Group, LLC (NPI 1225356868, Loveland, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2013
## Record status
- **NPPES last updated:** August 13, 2019
- **Other identifiers:** Medicaid 021039400 (FL); Other IZ653Z (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1689013229) · Data from the CMS NPPES public registry.