DR. MATTHEW ROBERT FLAHERTY MD
NPI 1265797401
Psychiatry & Neurology - Neurocritical Care in Phoenix, AZ
About Dr. Matthew Robert Flaherty Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW ROBERT FLAHERTY MD (NPI 1265797401) is an individual neurocritical care provider in Phoenix, Arizona, licensed in Arizona (50168) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
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. Matthew Robert Flaherty 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 Reassignments
2Medicare enrollment records show Matthew Flaherty reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 822 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 28 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 3
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.
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.
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 Matthew Flaherty's NPI number?
The NPI number for Matthew Flaherty is 1265797401. It was assigned to this individual provider in the NPPES registry on July 12, 2012.
Where is Matthew Flaherty located?
Matthew Flaherty practices at 250 E Dunlap Ave, Phoenix, AZ 85020. The listed phone number is (480) 331-6721.
What is Matthew Flaherty's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.
Is Matthew Flaherty enrolled in Medicare?
Yes. Matthew Flaherty 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 Matthew Flaherty's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Flaherty reassigns Medicare benefits to 2 organizations: Honorhealth Ambulatory (Phoenix, AZ) and Neurocritical Care And Stroke Of Arizona PLLC (Phoenix, 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 Matthew Flaherty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Flaherty accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Matthew Flaherty 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 Matthew Flaherty was last updated on February 8, 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.
# Dr. Matthew Robert Flaherty, MD · NPI 1265797401
Neurocritical Care physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since July 12, 2012.
## Identity
- **NPI:** 1265797401 (Entity type: Individual)
- **Enumerated:** July 12, 2012
- **Primary specialty:** Psychiatry & Neurology - Neurocritical Care · taxonomy 2084A2900X
- **State license:** 50168 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 E DUNLAP AVE, Phoenix, AZ 85020-2825
- **Phone:** (480) 331-6721
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Honorhealth Ambulatory (NPI 1285258137, Phoenix, AZ); Neurocritical Care And Stroke Of Arizona PLLC (NPI 1649561580, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** February 8, 2021
- **Other identifiers:** Medicaid 009047300 (FL); Other 14QW2 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1265797401) · Data from the CMS NPPES public registry.