Doctor profile · Federal record

Dr. Matthew Flaherty, MD

Neurocritical Care Physician (CMS: Critical Care (Intensivists)) · Neurology Physician · Neurology Physician · Phoenix, AZ

  • NPI 1265797401
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 E Dunlap Ave
Phoenix, AZ 850202825
(480) 331-6721
Mailing address
111 E Dunlap Ave, Suite 1-279
Phoenix, AZ 850202807

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
February 8, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
2084A2900X — NUCC code
State licenses (2)
Arizona #50168 · Florida #ME114563
Medicaid
FL #009047300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265797401. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
4
Medicare allowed
$22,279
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 103 102 $126
95812 Measurement of brain wave activity (eeg), 41-60 minutes 61 60 $54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 24 $77
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $129

In context: peer comparison

Among 5 peers in this city , average services per provider: 100. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Flaherty's medical specialty?
Dr. Matthew Flaherty practices Neurocritical Care Physician in Phoenix, AZ.
Where does Dr. Matthew Flaherty practice?
Dr. Matthew Flaherty practices at 250 E Dunlap Ave, Phoenix, AZ 850202825. Office phone: 4803316721.
What is Dr. Matthew Flaherty's NPI?
Dr. Matthew Flaherty's National Provider Identifier (NPI) is 1265797401, issued by NPPES.
Does Dr. Matthew Flaherty accept Medicare assignment?
Yes. Dr. Matthew Flaherty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Flaherty commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Measurement of brain wave activity (eeg) (HCPCS 95812); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.