Doctor profile · Federal record
Dr. Guy Weiss, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Buffalo, NY
- NPI 1598084030
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
462 Grider St, Internal Medicine Residency Training Program
Buffalo, NY 142153021
(716) 898-4226
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- August 3, 2020
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A125480
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598084030. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
552
Distinct HCPCS
10
Medicare allowed
$80,253
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 100 | 100 | $183 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 91 | 73 | $141 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 80 | 77 | $93 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 78 | 77 | $152 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 51 | 33 | $85 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 35 | $197 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $139 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 18 | 18 | $226 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 18 | $186 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 18 | 16 | $127 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 45. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$6,706
Transactions
29
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Pharmaceuticals, Inc. | 5 | $3,852.91 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 22 | $2,731.86 | |
| Janssen Biotech, Inc. | 1 | $103.03 | |
| Laborie Medical Technologies Corp. | 1 | $18.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
433
Patients
176
Total drug cost
$149,403
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Linzess (Linaclotide) | Brand | 121 | 32 | $81,127 |
| Motegrity (Prucalopride Succinate) | Brand | 81 | 14 | $51,758 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 66 | 63 | $1,250 |
| Pantoprazole Sodium | Generic | 56 | 14 | $1,354 |
| Omeprazole | Generic | 41 | 12 | $723 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 25 | 24 | $2,054 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 19 | 17 | $321 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 13 | 0 | $4,323 |
| Trulance (Plecanatide) | Brand | 11 | 0 | $6,492 |
Hospital affiliations
Frequently asked questions
What is Dr. Guy Weiss's medical specialty?
Dr. Guy Weiss practices Gastroenterology Physician in Buffalo, NY.
Where does Dr. Guy Weiss practice?
Dr. Guy Weiss practices at 462 Grider St, Buffalo, NY 142153021. Office phone: 7168984226.
What is Dr. Guy Weiss's NPI?
Dr. Guy Weiss's National Provider Identifier (NPI) is 1598084030, issued by NPPES.
Does Dr. Guy Weiss accept Medicare assignment?
Yes. Dr. Guy Weiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guy Weiss commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.