Michael O'Sullivan, MD
NPI 1962547901 · Psychiatry Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael O'Sullivan, MD is a Psychiatry Physician provider in Minneapolis, MN (NPI 1962547901).
Provider details
- NPI number
- 1962547901
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19405 (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
19 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
510 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 464 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 27 | $107 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $160 |
Typical Medicare-allowed amounts for these services range $73–$160 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 38 | 12 |
| Gabapentin | 32 | 15 |
| Olanzapine | 26 | 12 |
| Trazodone Hcl | 21 | — |
| Escitalopram Oxalate | 19 | — |
| Alprazolam | 18 | — |
| Buspirone Hcl | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2010-08-03
Frequently asked questions
- What is Michael O'Sullivan's NPI number?
- Michael O'Sullivan's National Provider Identifier (NPI) is 1962547901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Sullivan's specialty?
- Michael O'Sullivan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael O'Sullivan located?
- Michael O'Sullivan's practice location on file with NPPES is 2450 Riverside Ave # F273, Minneapolis, MN 55454-1450.
- What is Michael O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Sullivan is (612) 273-8700.
- Does Michael O'Sullivan accept Medicare?
- Michael O'Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael O'Sullivan's NPI active?
- Yes — Michael O'Sullivan's NPI (1962547901) is active in the NPPES registry as of the last update on 2010-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.