Richard O'Sullivan, M.D.
NPI 1295987287 · Psychiatry Physician · Hartford, CT
Richard O'Sullivan, M.D. is a Psychiatry Physician provider in Hartford, CT (NPI 1295987287).
Provider details
- NPI number
- 1295987287
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 039030 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 73 | 13 |
| Clonazepam | 53 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 44 | — |
| Alprazolam | 41 | — |
| Lorazepam | 39 | — |
| Escitalopram Oxalate | 36 | — |
| Dextroamphetamine/Amphetamine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-21
- Last updated
- 2011-02-28
Frequently asked questions
- What is Richard O'Sullivan's NPI number?
- Richard O'Sullivan's National Provider Identifier (NPI) is 1295987287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard O'Sullivan's specialty?
- Richard O'Sullivan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Richard O'Sullivan located?
- Richard O'Sullivan's practice location on file with NPPES is 200 Retreat Avenue, Hartford, CT 06106-3310.
- What is Richard O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Richard O'Sullivan is (860) 545-7330.
- Is Richard O'Sullivan's NPI active?
- Yes — Richard O'Sullivan's NPI (1295987287) is active in the NPPES registry as of the last update on 2011-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.