Nikolas Sirs, M.D.
NPI 1972913796 · Anesthesiology Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nikolas Sirs, M.D. is a Anesthesiology Physician provider in Missoula, MT (NPI 1972913796).
Provider details
- NPI number
- 1972913796
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
179 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 42 | $51 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 35 | $333 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 24 | $67 |
| Anesthesia for Total Hip Replacement01214 | 23 | $335 |
| Injection of Anesthetic Agent And/Or Steroid Into Lower Back and Leg Nerve (sciatic Nerve)64445 | 18 | $70 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 14 | $167 |
Practice location
Mailing address
Additional practice locations (1)
- 925 Seneca StMailstop H8-GmeSeattle, WA 98101-2742Phone: (206) 583-6079
Registry dates
- Enumerated
- 2014-05-01
- Last updated
- 2018-07-31
Frequently asked questions
- What is Nikolas Sirs's NPI number?
- Nikolas Sirs's National Provider Identifier (NPI) is 1972913796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nikolas Sirs's specialty?
- Nikolas Sirs is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nikolas Sirs located?
- Nikolas Sirs's practice location on file with NPPES is 2825 Stockyard Rd Ste I-200, Missoula, MT 59808.
- What is Nikolas Sirs's phone number?
- The practice phone number listed in the NPPES registry for Nikolas Sirs is (406) 728-8420.
- Does Nikolas Sirs accept Medicare?
- Nikolas Sirs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nikolas Sirs's NPI active?
- Yes — Nikolas Sirs's NPI (1972913796) is active in the NPPES registry as of the last update on 2018-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.