Marcus Birky, D.O.
NPI 1871836528 · Anesthesiology Physician · Billings, MT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Birky, D.O. is a Anesthesiology Physician provider in Billings, MT (NPI 1871836528).
Provider details
- NPI number
- 1871836528
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- MED-PHYS-LIC-55120 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
128 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 38 | $135 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 24 | $124 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 17 | $153 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 17 | $174 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 16 | $101 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 16 | $51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2020-01-29
- Certified
- 2020-01-29
Frequently asked questions
- What is Marcus Birky's NPI number?
- Marcus Birky's National Provider Identifier (NPI) is 1871836528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Birky's specialty?
- Marcus Birky is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Birky located?
- Marcus Birky's practice location on file with NPPES is 2800 10th Ave N, Billings, MT 59101-0703.
- What is Marcus Birky's phone number?
- The practice phone number listed in the NPPES registry for Marcus Birky is (406) 945-4195.
- Does Marcus Birky accept Medicare?
- Marcus Birky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Birky's NPI active?
- Yes — Marcus Birky's NPI (1871836528) is active in the NPPES registry as of the last update on 2020-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.