NPPES file of Aug 9, 2026

Matthew Robert Flaherty, MD

Neurocritical Care Physician · Phoenix, AZ

Matthew Robert Flaherty, MD is a neurocritical care physician with a practice address in Phoenix, Arizona, and NPI 1265797401, issued on Jul 12, 2012. Check the license (Arizona 50168, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265797401
Name
Matthew Robert Flaherty
Credential
MD
Primary taxonomy
Neurocritical Care Physician 2084A2900X
License numbers
50168 AZ
ME114563 FL
Self-reported in NPPES; status is on the state search
Practice location
250 E Dunlap Ave, Phoenix, AZ 85020
Phone
(480) 331-6721
Enumerated
Jul 12, 2012
Record last updated
Feb 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
009047300 FL
Medicare enrollment
Enrolled (PECOS I20150602001515); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest neurocritical care physician records → All 20 in Arizona → Look up another NPI →

Also registered at 250 E Dunlap Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Celina Acevedo-Adams, AGACNP-BCAcute Care Nurse Practitioner1235700949
  2. Judith Aikawa, MDInternal Medicine Physician1548296056
  3. Ronald Aikawa, MDInternal Medicine Physician1225067564
  4. Hossam Alhabach, M.D.Neurology Physician1578527701
  5. Logan ArchambaultInternal Medicine Physician1235759937
  6. Kevin Asady, MDInternal Medicine Physician1033868740

Verify Matthew Robert Flaherty in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 50168    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Honorhealth AmbulatoryScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Robert Flaherty among 20 neurocritical care physician records in Arizona

Matthew Robert Flaherty, MD is one of 20 neurocritical care physician records with a practice address in Arizona. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 35% of them.

  • NPI issued2012 · 35% of these records are older, 60% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 100% of these records are
  • Graduated2007 · median 2013 among the 20 with a school on file
  • Record last updated2021 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A2900X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurocritical Care Physician providers in Arizona

There are 20 neurocritical care physician records in Arizona.

All 20 in Arizona → Every provider in Phoenix → Neurocritical Care Physician nationwide →

The 8 neurocritical care physician records with the nearest ZIP codes

  1. Sean Cleymaet, MDPhoenix, AZ 850201386173425
  2. Ina Dervishi, MDPhoenix, AZ 850201225522212
  3. Shayan Ul Haque, MDPhoenix, AZ 850201275057598
  4. Vladimir Katyshev, M.D.Phoenix, AZ 850201235417551
  5. Victor Zach, M.D.Phoenix, AZ 850201588824353
  6. Brian Appavu, M.D.Phoenix, AZ 850161396037644
  7. Charles Crooks, M.D.Phoenix, AZ 850131992239883
  8. Ruchira Jha, MDPhoenix, AZ 850131972763498

Common questions

What is Matthew Robert Flaherty, MD's NPI number?

Matthew Robert Flaherty, MD's National Provider Identifier (NPI) is 1265797401, issued on Jul 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Robert Flaherty, MD located?

The NPPES record lists a practice address at 250 E Dunlap Ave, Phoenix, AZ, 85020. Phone: (480) 331-6721. Providers update this record themselves, so call before visiting.

How can I verify Matthew Robert Flaherty, MD's license?

NPPES lists Arizona license number 50168, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.