John Joseph Osowski, M.D.
Hospitalist Physician · Hartford, CT
John Joseph Osowski, M.D. is a hospitalist physician with a practice address in Hartford, Connecticut, and NPI 1205085719, issued on Sep 9, 2008. Check the license (Connecticut 49214, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Joseph Osowski
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 49214 CT
049214 CT
Self-reported in NPPES; status is on the state search - Practice location
- 114 Woodland St, Hartford, CT 06105
- Phone
- (860) 714-7446
- Enumerated
- Sep 9, 2008
- Record last updated
- Aug 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20110215000132); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 400 in Connecticut → Look up another NPI →
Also registered at 114 Woodland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Abbatiello, D.O.Emergency Medicine Physician1275579732
- Jonathan Abrams, MDAnesthesiology Physician1528010337
- Louisa Acca, PA-CPhysician Assistant1679265458
- Asad Akbar, DPMPodiatrist1851978258
- Yahya Al-Mezrakchi, MDHospitalist Physician1932594603
- Nicole Alex, APRNNurse Practitioner1497424527
Verify John Joseph Osowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 49214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12.9 times the Medicare Part D claims of the average hospitalist physician in 2024
6,705 Medicare Part D claims for 156 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Trazodone Hcl318 claims
- Eliquis301 claims
- Atorvastatin Calcium286 claims
- Amlodipine Besylate268 claims
- Gabapentin217 claims
- Furosemide201 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $644.35
25 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- New England MD Health Partners PLLCGlastonbury, CT
- University OF Connecticut Health CenterFarmington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Joseph Osowski among 400 hospitalist physician records in Connecticut
John Joseph Osowski, M.D. is one of 400 hospitalist physician records with a practice address in Connecticut. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 23% of them.
- NPI issued2008 · 23% of these records are older, 69% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2006 · median 2011 among the 332 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Connecticut
There are 400 hospitalist physician records in Connecticut.
All 400 in Connecticut → Every provider in Hartford → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Syed Ali, M.D.Hartford, CT 061051194923128
- Asha Dhamija, M.D.Hartford, CT 061051306093240
- Theodore Hartenstein, MDHartford, CT 061051225256308
- Anuradha Kapur, MDHartford, CT 061051023082781
- Srimathi Manickaratnam, M.DHartford, CT 061051396800827
- Madhuri Manne, MDHartford, CT 061051871815027
- Edgar Naut, M.D.Hartford, CT 061051467646166
- Vanessa Pauig, MDHartford, CT 061051578877270
Common questions
What is John Joseph Osowski, M.D.'s NPI number?
John Joseph Osowski, M.D.'s National Provider Identifier (NPI) is 1205085719, issued on Sep 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Osowski, M.D. located?
The NPPES record lists a practice address at 114 Woodland St, Hartford, CT, 06105. Phone: (860) 714-7446. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Osowski, M.D.'s license?
NPPES lists Connecticut license number 49214, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Joseph Osowski, M.D. prescribe under Medicare Part D?
In 2024, John Joseph Osowski, M.D. had 6,705 Medicare Part D claims for 156 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.