Doctor profile · Federal record

Dr. Amy Calderon, DO, PHARMD

Gastroenterology Physician (CMS: Internal Medicine) · Pharmacist · Internal Medicine Physician · Warren, OH

  • NPI 1821310004
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8740 E Market St Ste 2
Warren, OH 444842324
(234) 287-6590
fax (330) 965-5090
Mailing address
100 Debartolo Pl Ste 200
Youngstown, OH 445126095

Credentials & registration

NPPES · NUCC
NPI registered
February 2010 — 16 yrs on file
Profile last updated
December 16, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Ohio #34.012732 · New York #048857 · New York #271550
Medicaid
OH #0220079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821310004. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
268
Distinct HCPCS
6
Medicare allowed
$36,227
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 99 86 $118
45380 Biopsy of large bowel using a flexible endoscope 51 50 $115
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43 39 $82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 43 42 $233
45378 Diagnostic exam of large bowel using a flexible endoscope 16 16 $160
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 16 16 $159

In context: peer comparison

Among 3 peers in Warren Gastroenterology Physician, average services per provider: 47. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,083
Transactions
55
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 21 $364.10
Takeda Pharmaceuticals U.S.A., INC. 15 $191.21
Gilead Sciences, INC. 2 $140.14
Inari Medical, INC. 1 $121.30
Aimmune Therapeutics, INC. 4 $63.30
Ironwood Pharmaceuticals, INC 2 $33.51
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $31.48
Phathom Pharmaceuticals, INC. 2 $30.79
Biocon Biologics INC 1 $24.82
Merck Sharp & Dohme LLC 1 $17.29
Regeneron Healthcare Solutions, INC. 1 $17.27
Exact Sciences Corporation 1 $16.51
Braintree Laboratories, INC. 1 $16.36
Qol Medical, LLC 1 $14.49

By nature of payment

Food and Beverage
$1,083

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
707
Patients
334
Total drug cost
$155,658
Drug Type Claims Patients Total cost
Omeprazole Generic 237 69 $2,567
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 129 124 $2,410
Pantoprazole Sodium Generic 58 19 $710
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 51 50 $3,814
Esomeprazole Magnesium Generic 44 11 $2,419
Spironolactone Generic 30 0 $436
Ursodiol Generic 28 0 $5,741
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 27 26 $455
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 22 20 $3,874
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 15 15 $225

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Calderon's medical specialty?
Dr. Amy Calderon practices Gastroenterology Physician in Warren, OH.
Where does Dr. Amy Calderon practice?
Dr. Amy Calderon practices at 8740 E Market St Ste 2, Warren, OH 444842324. Office phone: 2342876590.
What is Dr. Amy Calderon's NPI?
Dr. Amy Calderon's National Provider Identifier (NPI) is 1821310004, issued by NPPES.
Does Dr. Amy Calderon accept Medicare assignment?
Yes. Dr. Amy Calderon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Calderon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.