Doctor profile · Federal record

Dr. Ayan Sen, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Emergency Medicine Physician · Scottsdale, AZ

  • NPI 1245561653
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
October 8, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Arizona #47338 · Michigan #4301092096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245561653. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
450
Distinct HCPCS
4
Medicare allowed
$73,173
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 305 166 $206
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 106 71 $76
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 23 $49
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 12 11 $82

In context: peer comparison

Among 22 peers in this city , average services per provider: 107. This provider delivers 4.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ayan Sen's medical specialty?
Dr. Ayan Sen practices Critical Care Medicine (Internal Medicine) Physician in Scottsdale, AZ.
Where does Dr. Ayan Sen practice?
Dr. Ayan Sen practices at 13400 E Shea Blvd, Scottsdale, AZ 852595452. Office phone: 4803018000.
What is Dr. Ayan Sen's NPI?
Dr. Ayan Sen's National Provider Identifier (NPI) is 1245561653, issued by NPPES.
Does Dr. Ayan Sen accept Medicare assignment?
Yes. Dr. Ayan Sen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ayan Sen commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.