Doctor profile · Federal record
Dr. James Horodyski, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Fairfield, CA
- NPI 1184710063
- Accepts Medicare
- MIPS 35.0 / 100 · 2023
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1200 B Gale Wilson Blvd
Fairfield, CA 945333552
(707) 429-3600 - Mailing address
-
1709 Dock St
Tacoma, WA 984023204
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A68731
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184710063. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
528
Distinct HCPCS
2
Medicare allowed
$90,662
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 381 | 335 | $185 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 147 | 143 | $138 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 272. This provider delivers 1.9× the peer median.Frequently asked questions
What is Dr. James Horodyski's medical specialty?
Dr. James Horodyski practices Internal Medicine Physician in Fairfield, CA.
Where does Dr. James Horodyski practice?
Dr. James Horodyski practices at 1200 B Gale Wilson Blvd, Fairfield, CA 945333552. Office phone: 7074293600.
What is Dr. James Horodyski's NPI?
Dr. James Horodyski's National Provider Identifier (NPI) is 1184710063, issued by NPPES.
Does Dr. James Horodyski accept Medicare assignment?
Yes. Dr. James Horodyski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Horodyski commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.