Doctor profile · Federal record

Dr. Matthew Fain, DO

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · Phoenix, AZ

  • NPI 1720390107
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
500 W Thomas RD Ste 500
Phoenix, AZ 850134220
(602) 406-4000
fax (602) 406-6498
Additional location
1707 W Charleston Blvd Ste 270
Las Vegas, NV 891022326
(702) 671-5060
fax (702) 671-5198

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
February 27, 2026
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Arizona #009886 · Nevada #DO2101
Medicaid
AZ #192884

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720390107. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$14,567
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 57 16 $214
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 24 $79

In context: peer comparison

Among 11 peers in this city , average services per provider: 120. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insmed, Inc. 1 $25.06

By nature of payment

Food and Beverage
$25

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Fain's medical specialty?
Dr. Matthew Fain practices Critical Care Medicine (Internal Medicine) Physician in Phoenix, AZ.
Where does Dr. Matthew Fain practice?
Dr. Matthew Fain practices at 500 W Thomas RD Ste 500, Phoenix, AZ 850134220. Office phone: 6024064000.
What is Dr. Matthew Fain's NPI?
Dr. Matthew Fain's National Provider Identifier (NPI) is 1720390107, issued by NPPES.
Does Dr. Matthew Fain accept Medicare assignment?
Yes. Dr. Matthew Fain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Fain commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.