Michael Casimir, MD
NPI 1669811238 · Anesthesiology Physician · Billings, MT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Casimir, MD is a Anesthesiology Physician provider in Billings, MT (NPI 1669811238).
Provider details
- NPI number
- 1669811238
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME161939 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
251 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 36 | $43 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 30 | $305 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 28 | $107 |
| Anesthesia for Extensive Surgery on Spine00670 | 25 | $276 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 22 | $104 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 17 | $284 |
Practice location
Mailing address
Additional practice locations (1)
- 4400 Bayou Blvd Ste 16cPensacola, FL 32503-1907Phone: (850) 477-7042
Registry dates
- Enumerated
- 2013-06-17
- Last updated
- 2024-05-06
- Certified
- 2024-05-06
Frequently asked questions
- What is Michael Casimir's NPI number?
- Michael Casimir's National Provider Identifier (NPI) is 1669811238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Casimir's specialty?
- Michael Casimir is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Casimir located?
- Michael Casimir's practice location on file with NPPES is 2900 12th Ave N Ste 205w, Billings, MT 59101-7520.
- What is Michael Casimir's phone number?
- The practice phone number listed in the NPPES registry for Michael Casimir is (631) 379-2104.
- Does Michael Casimir accept Medicare?
- Michael Casimir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Casimir's NPI active?
- Yes — Michael Casimir's NPI (1669811238) is active in the NPPES registry as of the last update on 2024-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.