RAYNA LIN TRIETSCH M.D.
NPI 1891221859
Obstetrics & Gynecology in Littleton, CO
About Rayna Lin Trietsch M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAYNA LIN TRIETSCH M.D. (NPI 1891221859) is an individual obstetrics & gynecology provider in Littleton, Colorado, licensed in Colorado (DR.0065878) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lone Tree, and is a graduate of University Of Massachusetts Medical School (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Rayna Lin Trietsch M.d. 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 Rayna Trietsch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Littleton, CO 80129
- Reassigned Medicare billing, Colorado enrollment
- 107 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 80122 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLETON, CO 80122
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 Rayna Trietsch's NPI number?
The NPI number for Rayna Trietsch is 1891221859. It was assigned to this individual provider in the NPPES registry on May 11, 2017.
Where is Rayna Trietsch located?
Rayna Trietsch practices at 7720 S Broadway Ste 440, Littleton, CO 80122. The listed phone number is (303) 795-3568.
What is Rayna Trietsch's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Rayna Trietsch enrolled in Medicare?
Yes. Rayna Trietsch 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 Rayna Trietsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rayna Trietsch reassigns Medicare benefits to Ob-Gyn Affiliates (Littleton, 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 Rayna Trietsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rayna Trietsch accept?
Health plans from Select Health list Rayna Trietsch 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 Rayna Trietsch was last updated on August 25, 2021. 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.
# Rayna Lin Trietsch, M.D. · NPI 1891221859
Obstetrics & Gynecology physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since May 11, 2017.
## Identity
- **NPI:** 1891221859 (Entity type: Individual)
- **Enumerated:** May 11, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** DR.0065878 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 7720 S BROADWAY STE 440, Littleton, CO 80122-2624
- **Phone:** (303) 795-3568
## 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:** Ob-Gyn Affiliates (NPI 1134185721, Littleton, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 2017
## Record status
- **NPPES last updated:** August 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1891221859) · Data from the CMS NPPES public registry.