ANN PATRICE WILLIAMS NP
NPI 1467575167
Nurse Practitioner - Psychiatric/Mental Health in Littleton, CO
About Ann Patrice Williams Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN PATRICE WILLIAMS NP (NPI 1467575167) is an individual psychiatric/mental health provider in Littleton, Colorado, licensed in Colorado (APN.0004693-NP) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Lakewood.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ann Patrice Williams Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Littleton, CO 80120
- Reassigned Medicare billing, Colorado enrollment
- 331 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 80120 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.
LITTLETON, CO 80120
LITTLETON, CO 80120
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 Ann Williams's NPI number?
The NPI number for Ann Williams is 1467575167. It was assigned to this individual provider in the NPPES registry on April 9, 2007.
Where is Ann Williams located?
Ann Williams practices at 6509 S Santa Fe Dr, Littleton, CO 80120. The listed phone number is (303) 730-8858.
What is Ann Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Ann Williams enrolled in Medicare?
Yes. Ann Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Williams reassigns Medicare benefits to Arapahoe Mental Health Center, Inc (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 Ann Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ann Williams was last updated on May 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ann Patrice Williams, NP · NPI 1467575167
Psychiatric/Mental Health physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since April 9, 2007.
## Identity
- **NPI:** 1467575167 (Entity type: Individual)
- **Enumerated:** April 9, 2007
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** APN.0004693-NP (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 6509 S SANTA FE DR, Littleton, CO 80120-2910
- **Phone:** (303) 730-8858
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** Arapahoe Mental Health Center, Inc (NPI 1245845015, Littleton, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 2, 2018
- **Other identifiers:** Medicaid 60982365 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1467575167) · Data from the CMS NPPES public registry.