Doctor profile · Federal record

Dr. Boris Arutyunov, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Pasadena, CA

  • NPI 1144562703
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
100 W California Blvd
Pasadena, CA 911053010
(626) 352-1444
Additional location
11035 Moorpark St Apt 201
North Hollywood, CA 916023449
(818) 220-4898
Additional location
2185 Citracado Pkwy
Escondido, CA 920294159
(760) 291-6700
Mailing address
11035 Moorpark St Apt 201
North Hollywood, CA 916023449

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
December 19, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A137892

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144562703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
547
Distinct HCPCS
7
Medicare allowed
$69,582
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 301 281 $136
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 74 46 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 29 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 42 $182
99239 Hospital discharge day management, more than 30 minutes 39 37 $121
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 17 $52
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 14 14 $87

In context: peer comparison

Among 7 peers in this city , average services per provider: 112. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
32
Total drug cost
$188
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 18 $134
Furosemide Generic 14 14 $54

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Boris Arutyunov's medical specialty?
Dr. Boris Arutyunov practices Hospitalist Physician in Pasadena, CA.
Where does Dr. Boris Arutyunov practice?
Dr. Boris Arutyunov practices at 100 W California Blvd, Pasadena, CA 911053010. Office phone: 6263521444.
What is Dr. Boris Arutyunov's NPI?
Dr. Boris Arutyunov's National Provider Identifier (NPI) is 1144562703, issued by NPPES.
Does Dr. Boris Arutyunov accept Medicare assignment?
Yes. Dr. Boris Arutyunov accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Boris Arutyunov commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.