Owen Mayer, MD
NPI 1770143653 · Anesthesiology Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Owen Mayer, MD is a Anesthesiology Physician provider in Missoula, MT (NPI 1770143653).
Provider details
- NPI number
- 1770143653
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 120508 (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
7 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
122 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 | 29 | $139 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 21 | $42 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $127 |
| Anesthesia for Extensive Surgery on Spine00670 | 15 | $537 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 15 | $356 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 12 | $313 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-13
- Last updated
- 2023-05-26
- Certified
- 2023-05-26
Frequently asked questions
- What is Owen Mayer's NPI number?
- Owen Mayer's National Provider Identifier (NPI) is 1770143653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Owen Mayer's specialty?
- Owen Mayer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Owen Mayer located?
- Owen Mayer's practice location on file with NPPES is 500 W Broadway St, Missoula, MT 59802-4008.
- What is Owen Mayer's phone number?
- The practice phone number listed in the NPPES registry for Owen Mayer is (425) 407-1500.
- Does Owen Mayer accept Medicare?
- Owen Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Owen Mayer's NPI active?
- Yes — Owen Mayer's NPI (1770143653) is active in the NPPES registry as of the last update on 2023-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.