DR. ALEXANDRA HIATT DUFFY PSY.D.
NPI 1891856571
Psychologist - Clinical in Charlotte, NC
About Dr. Alexandra Hiatt Duffy Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRA HIATT DUFFY PSY.D. (NPI 1891856571) is an individual clinical provider in Charlotte, North Carolina, licensed in California (PSY20193) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Edwards, and is a graduate of Other (2012).
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
Dr. Alexandra Hiatt Duffy Psy.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 Alexandra Duffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dillon, CO 80435
- Reassigned Medicare billing, Colorado enrollment
- 45 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 28277 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLOTTE, NC 28277
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 Alexandra Duffy's NPI number?
The NPI number for Alexandra Duffy is 1891856571. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is Alexandra Duffy located?
Alexandra Duffy practices at 11220 Elm Ln Ste 203, Charlotte, NC 28277. The listed phone number is (704) 654-1920.
What is Alexandra Duffy's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Alexandra Duffy enrolled in Medicare?
Yes. Alexandra Duffy 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 Alexandra Duffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Duffy reassigns Medicare benefits to Eagle Valley Mental Health (Dillon, 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 Alexandra Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Duffy accept?
Health plans from Blue Cross and Blue Shield of Texas, Select Health and UnitedHealthcare list Alexandra Duffy 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 Alexandra Duffy was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Alexandra Hiatt Duffy, PSY.D. · NPI 1891856571
Clinical provider in Charlotte, North Carolina. Individual provider, active in the CMS NPPES registry since December 13, 2006.
## Identity
- **NPI:** 1891856571 (Entity type: Individual)
- **Enumerated:** December 13, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY20193 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 11220 ELM LN STE 203, Charlotte, NC 28277-0450
- **Phone:** (704) 654-1920
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Eagle Valley Mental Health (NPI 1043057136, Dillon, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1891856571) · Data from the CMS NPPES public registry.