Doctor profile · Federal record
Dr. Boris Reznik, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Hanford, CA
- NPI 1710087846
- MIPS 93.4 / 100 · 2023
- 46 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
470 Greenfield Ave Ste 37
Hanford, CA 932303513
(559) 589-9460
fax (559) 589-9248
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 8, 2008
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- California #A91193 · New Mexico #MD2005-0407
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710087846. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
305
Distinct HCPCS
10
Medicare allowed
$43,905
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 78 | 77 | $89 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 62 | 61 | $175 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 31 | $130 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 27 | 27 | $171 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 25 | 24 | $243 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 19 | $165 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 14 | 14 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $165 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 13 | 13 | $174 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | 11 | $116 |
In context: peer comparison
Among 2 peers in Hanford Gastroenterology Physician, average services per provider: 126. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$499
Transactions
8
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $311.49 | |
| Boston Scientific Corporation | 4 | $103.41 | |
| Janssen Biotech, INC. | 1 | $84.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
448
Patients
158
Total drug cost
$148,124
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 90 | 33 | $1,327 |
| Linzess (Linaclotide) | Brand | 75 | 21 | $46,292 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 73 | 71 | $1,331 |
| Ursodiol | Generic | 25 | 0 | $3,314 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 22 | 20 | $382 |
| Pantoprazole Sodium | Generic | 22 | 0 | $467 |
| Creon (Lipase/Protease/Amylase) | Brand | 20 | 0 | $37,220 |
| Entecavir | Generic | 19 | 0 | $6,041 |
| Balsalazide Disodium | Generic | 18 | 0 | $2,026 |
| Spironolactone | Generic | 17 | 0 | $141 |
Hospital affiliations
Frequently asked questions
What is Dr. Boris Reznik's medical specialty?
Dr. Boris Reznik practices Gastroenterology Physician in Hanford, CA.
Where does Dr. Boris Reznik practice?
Dr. Boris Reznik practices at 470 Greenfield Ave Ste 37, Hanford, CA 932303513. Office phone: 5595899460.
What is Dr. Boris Reznik's NPI?
Dr. Boris Reznik's National Provider Identifier (NPI) is 1710087846, issued by NPPES.
Does Dr. Boris Reznik accept Medicare assignment?
Dr. Boris Reznik does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Boris Reznik commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.