Doctor profile · Federal record

Dr. Nassim Matin, M.D.

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

  • NPI 1588196844
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
240 W Thomas RD # 403
Phoenix, AZ 850134407
(602) 406-6262
fax (602) 406-6261
Additional location
325 9Th Ave
Seattle, WA 981042420
(206) 520-5000
Mailing address
240 W Thomas RD # 301
Phoenix, AZ 850134407

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 17, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084A2900X — NUCC code
State licenses (2)
Arizona #69454 · Washington #MD61144781
Medicaid
WA #1588196844

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588196844. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
1
Medicare allowed
$11,780
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 57 25 $207

In context: peer comparison

Among 5 peers in Phoenix Neurocritical Care Physician, average services per provider: 100. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nassim Matin's medical specialty?
Dr. Nassim Matin practices Neurocritical Care Physician in Phoenix, AZ.
Where does Dr. Nassim Matin practice?
Dr. Nassim Matin practices at 240 W Thomas RD # 403, Phoenix, AZ 850134407. Office phone: 6024066262.
What is Dr. Nassim Matin's NPI?
Dr. Nassim Matin's National Provider Identifier (NPI) is 1588196844, issued by NPPES.
Does Dr. Nassim Matin accept Medicare assignment?
Yes. Dr. Nassim Matin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nassim Matin commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.