John Osowski, M.D.
NPI 1205085719 · Hospitalist Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Osowski, M.D. is a Hospitalist Physician provider in Hartford, CT (NPI 1205085719).
Provider details
- NPI number
- 1205085719
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 049214 (CT)
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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
643 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 386 | $80 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 83 | $186 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 61 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 40 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 37 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 318 | 50 |
| Apixabanbrand: Eliquis | 301 | 28 |
| Atorvastatin Calcium | 286 | 49 |
| Amlodipine Besylate | 268 | 37 |
| Gabapentin | 217 | 31 |
| Furosemide | 201 | 33 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$644 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 263 Farmington AveFarmington, CT 06030-8021Phone: (860) 679-4477Fax: (860) 679-1025
Registry dates
- Enumerated
- 2008-09-09
- Last updated
- 2025-08-20
- Certified
- 2025-08-20
Frequently asked questions
- What is John Osowski's NPI number?
- John Osowski's National Provider Identifier (NPI) is 1205085719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Osowski's specialty?
- John Osowski is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Osowski located?
- John Osowski's practice location on file with NPPES is 114 Woodland St, Hartford, CT 06105-1208.
- What is John Osowski's phone number?
- The practice phone number listed in the NPPES registry for John Osowski is (860) 714-7446.
- Does John Osowski accept Medicare?
- John Osowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Osowski's NPI active?
- Yes — John Osowski's NPI (1205085719) is active in the NPPES registry as of the last update on 2025-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.