Michael Insel
NPI 1164798161 · Critical Care Medicine (Internal Medicine) Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Insel is a Critical Care Medicine (Internal Medicine) Physician provider in Tucson, AZ (NPI 1164798161).
Provider details
- NPI number
- 1164798161
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 58706 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
1,172 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) |
|---|---|---|
| Test to Examine How Well the Lungs Exchange Gases94729 | 181 | $8 |
| Test to Determine Lung Volumes Using Sensors94726 | 142 | $11 |
| Critical Care, First 30-74 Minutes99291 | 129 | $205 |
| Test to Measure Expiratory Airflow and Volume94010 | 109 | $8 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 109 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 86 | 27 |
| Tiotropium Bromidebrand: Spiriva Respimat | 67 | 19 |
| Prednisone | 57 | 30 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 48 | 12 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 40 | — |
| Montelukast Sodium | 38 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-24
- Last updated
- 2019-12-27
- Certified
- 2019-12-27
Frequently asked questions
- What is Michael Insel's NPI number?
- Michael Insel's National Provider Identifier (NPI) is 1164798161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Insel's specialty?
- Michael Insel is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Insel located?
- Michael Insel's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-1931.
- What is Michael Insel's phone number?
- The practice phone number listed in the NPPES registry for Michael Insel is (520) 626-6380.
- Does Michael Insel accept Medicare?
- Michael Insel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Insel's NPI active?
- Yes — Michael Insel's NPI (1164798161) is active in the NPPES registry as of the last update on 2019-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.