Doctor profile · Federal record
Dr. John Oshlick, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · New Haven, CT
- NPI 1942483888
- Accepts Medicare
- MIPS 84.3 / 100 · 2023
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 York Street, Cb 2041
New Haven, CT 065103220
(203) 688-4748
fax (203) 688-4740 - Mailing address
-
20 York Street Cb-2041
New Haven, CT 06510
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- October 18, 2013
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Connecticut #048961
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942483888. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
97
Distinct HCPCS
1
Medicare allowed
$13,188
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 97 | 95 | $136 |
In context: peer comparison
Among 59 peers in New Haven Hospitalist Physician, average services per provider: 74. This provider delivers 1.3× the peer median.Frequently asked questions
What is Dr. John Oshlick's medical specialty?
Dr. John Oshlick practices Hospitalist Physician in New Haven, CT.
Where does Dr. John Oshlick practice?
Dr. John Oshlick practices at 20 York Street, Cb 2041, New Haven, CT 065103220. Office phone: 2036884748.
What is Dr. John Oshlick's NPI?
Dr. John Oshlick's National Provider Identifier (NPI) is 1942483888, issued by NPPES.
Does Dr. John Oshlick accept Medicare assignment?
Yes. Dr. John Oshlick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Oshlick commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.