Doctor profile · Federal record

Dr. Carl Guillaume, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Bronx, NY

  • NPI 1528098118
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4422 3Rd Ave
Bronx, NY 104572545
(718) 960-6205

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #210261
Medicaid
NY #01947988

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528098118. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
148
Distinct HCPCS
6
Medicare allowed
$24,416
HCPCS Description Services Patients Avg allowed
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 51 48 $149
43762 Replacement of stomach stoma tube 24 19 $270
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 23 16 $84
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $148
45380 Biopsy of large bowel using a flexible endoscope 11 11 $155

In context: peer comparison

Among 33 peers in this city , average services per provider: 33. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 3 $58.44
Janssen Biotech, Inc. 1 $35.80

By nature of payment

Food and Beverage
$94

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
849
Patients
259
Total drug cost
$253,127
Drug Type Claims Patients Total cost
Famotidine Generic 340 105 $7,203
Omeprazole Generic 222 84 $3,313
Linzess (Linaclotide) Brand 180 59 $225,195
Pantoprazole Sodium Generic 23 0 $411
Ondansetron Hcl Generic 14 0 $87
Procto-Med Hc (Hydrocortisone) Brand 13 0 $277
Hydrocortisone Generic 12 0 $234
Omeprazole-Sodium Bicarbonate (Omeprazole/Sodium Bicarbonate) Brand 12 0 $9,684
Amoxicillin Generic 11 11 $85
Dexlansoprazole Dr (Dexlansoprazole) Brand 11 0 $4,061

Frequently asked questions

Auto-generated from federal data
What is Dr. Carl Guillaume's medical specialty?
Dr. Carl Guillaume practices Gastroenterology Physician in Bronx, NY.
Where does Dr. Carl Guillaume practice?
Dr. Carl Guillaume practices at 4422 3Rd Ave, Bronx, NY 104572545. Office phone: 7189606205.
What is Dr. Carl Guillaume's NPI?
Dr. Carl Guillaume's National Provider Identifier (NPI) is 1528098118, issued by NPPES.
Does Dr. Carl Guillaume accept Medicare assignment?
Yes. Dr. Carl Guillaume accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carl Guillaume commonly perform?
Top Medicare-reported procedures in 2023: Initial nursing facility care with moderate level of medical decision making (HCPCS 99305); Replacement of stomach stoma tube (HCPCS 43762); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.