Pierre Rioux, M.D.
NPI 1164406807 · Psychiatry Physician · Austin, MN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pierre Rioux, M.D. is a Psychiatry Physician provider in Austin, MN (NPI 1164406807).
Provider details
- NPI number
- 1164406807
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44253 (MN)
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
20 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
177 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $96 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 43 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $104 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $164 |
Typical Medicare-allowed amounts for these services range $17–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 61 | — |
| Quetiapine Fumarate | 36 | — |
| Clonazepam | 32 | 13 |
| Trazodone Hcl | 27 | — |
| Aripiprazole | 25 | — |
| Lorazepam | 24 | 13 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-06
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Pierre Rioux's NPI number?
- Pierre Rioux's National Provider Identifier (NPI) is 1164406807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pierre Rioux's specialty?
- Pierre Rioux is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Pierre Rioux located?
- Pierre Rioux's practice location on file with NPPES is 1000 1st Dr Nw, Austin, MN 55912-2941.
- What is Pierre Rioux's phone number?
- The practice phone number listed in the NPPES registry for Pierre Rioux is (507) 434-1092.
- Does Pierre Rioux accept Medicare?
- Pierre Rioux is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pierre Rioux's NPI active?
- Yes — Pierre Rioux's NPI (1164406807) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.