MS. MICHELLE ANN O'BRIEN D.O.
NPI 1144601618
Psychiatry & Neurology - Psychiatry in Fort Collins, CO
About Ms. Michelle Ann O'brien D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MICHELLE ANN O'BRIEN D.O. (NPI 1144601618) is an individual psychiatry provider in Fort Collins, Colorado, licensed in Colorado (DR.0075316) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Michelle Ann O'brien D.o. 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 Reassignments
3Medicare enrollment records show Michelle O'brien reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Collins, CO 80526
- Reassigned Medicare billing, Colorado enrollment
- 183 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Tucson, AZ 85716
- Reassigned Medicare billing, Arizona enrollment
- 464 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80526 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.
FORT COLLINS, CO 80526
FORT COLLINS, CO 80526
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 Michelle O'brien's NPI number?
The NPI number for Michelle O'brien is 1144601618. It was assigned to this individual provider in the NPPES registry on June 10, 2015.
Where is Michelle O'brien located?
Michelle O'brien practices at 2260 W Trilby Rd, Fort Collins, CO 80526. The listed phone number is (970) 494-4200.
What is Michelle O'brien's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Michelle O'brien enrolled in Medicare?
Yes. Michelle O'brien 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 organizations bill Medicare for Michelle O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle O'brien reassigns Medicare benefits to 3 organizations: Summitstone Health Partners (Fort Collins, CO), Banner-University Medical Group (Phoenix, AZ) and El Rio Santa Cruz Neighborhood Health Center, Inc (Tucson, AZ). Each 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 Michelle O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle O'brien accept?
Health plans from Cigna HealthCare of Arizona, Inc and Select Health list Michelle O'brien 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 Michelle O'brien was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Ms. Michelle Ann O'brien, D.O. · NPI 1144601618
Psychiatry physician in Fort Collins, Colorado. Individual provider, active in the CMS NPPES registry since June 10, 2015.
## Identity
- **NPI:** 1144601618 (Entity type: Individual)
- **Enumerated:** June 10, 2015
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** DR.0075316 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2260 W TRILBY RD, Fort Collins, CO 80526-9650
- **Phone:** (970) 494-4200 · **Fax:** (844) 270-1824
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Summitstone Health Partners (NPI 1023799301, Fort Collins, CO); Banner-University Medical Group (NPI 1508809427, Phoenix, AZ); El Rio Santa Cruz Neighborhood Health Center, Inc (NPI 1477204485, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144601618) · Data from the CMS NPPES public registry.