Doctor profile · Federal record

Dr. Nikolas Sirs, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Missoula, MT

  • NPI 1972913796
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2825 Stockyard RD Ste I-200
Missoula, MT 59808
(406) 728-8420
fax (406) 541-8430
Additional location
925 Seneca St, Mailstop H8-Gme
Seattle, WA 981012742
(206) 583-6079
Mailing address
925 Seneca St, Mailstop H8-Gme
Seattle, WA 981012742

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
July 31, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Montana #MED-PHYS-LIC-62162

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972913796. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
186
Distinct HCPCS
8
Medicare allowed
$34,755
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 47 46 $57
01402 Anesthesia for procedure for total knee joint replacement 43 43 $315
01214 Anesthesia for total hip replacement 29 29 $322
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 19 18 $68
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 13 11 $169
01400 Anesthesia for other procedure or exam of knee joint using an endoscope 12 12 $148
01630 Anesthesia for other procedure on top of arm bone and shoulder joint 12 12 $194
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 11 11 $144

In context: peer comparison

Among 25 peers in this city , average services per provider: 22. This provider delivers 8.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nikolas Sirs's medical specialty?
Dr. Nikolas Sirs practices Anesthesiology Physician in Missoula, MT.
Where does Dr. Nikolas Sirs practice?
Dr. Nikolas Sirs practices at 2825 Stockyard RD Ste I-200, Missoula, MT 59808. Office phone: 4067288420.
What is Dr. Nikolas Sirs's NPI?
Dr. Nikolas Sirs's National Provider Identifier (NPI) is 1972913796, issued by NPPES.
Does Dr. Nikolas Sirs accept Medicare assignment?
Yes. Dr. Nikolas Sirs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikolas Sirs commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for total hip replacement (HCPCS 01214). Source: CMS Medicare Physician & Other Practitioners file.