Doctor profile · Federal record
Dr. Jay Krzewinski, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Roseville, CA
- NPI 1902835317
- Accepts Medicare
- MIPS 79.8 / 100 · 2023
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Plaza Dr
Roseville, CA 956613037
(916) 781-1927 - Mailing address
-
10470 Old Placerville RD Ste 100
Sacramento, CA 958272539
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 12, 2017
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #C147049 · Michigan #4301087338
- Medicaid (2)
- MI #4952579 · MI #4859912
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902835317. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
2
Medicare allowed
$23,814
| 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 | 93 | 92 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 73 | 72 | $166 |
In context: peer comparison
Among 29 peers in Roseville Internal Medicine Physician, average services per provider: 151. This provider delivers 1.1× the peer median.Frequently asked questions
What is Dr. Jay Krzewinski's medical specialty?
Dr. Jay Krzewinski practices Internal Medicine Physician in Roseville, CA.
Where does Dr. Jay Krzewinski practice?
Dr. Jay Krzewinski practices at 1 Medical Plaza Dr, Roseville, CA 956613037. Office phone: 9167811927.
What is Dr. Jay Krzewinski's NPI?
Dr. Jay Krzewinski's National Provider Identifier (NPI) is 1902835317, issued by NPPES.
Does Dr. Jay Krzewinski accept Medicare assignment?
Yes. Dr. Jay Krzewinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jay Krzewinski commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.