Doctor profile · Federal record

Dr. Jonathan Simon, M.D.

Internal Medicine Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Gastroenterology Physician · Ansonia, CT

  • NPI 1073565511
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Westfield Ave
Ansonia, CT 06401
(203) 736-9919
fax (203) 735-2055
Mailing address
67 Maple Ave Fl 2
Derby, CT 064181328

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 26, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Connecticut #46849 · New York #234884
Medicaid
CT #008002867

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073565511. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
308
Distinct HCPCS
9
Medicare allowed
$45,938
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 71 71 $125
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43 43 $108
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 42 42 $261
99213 Established patient office or other outpatient visit, 20-29 minutes 39 32 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 28 26 $136
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $177
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 24 $136
45378 Diagnostic exam of large bowel using a flexible endoscope 18 18 $171
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 14 14 $186

In context: peer comparison

Among 6 peers in Ansonia Internal Medicine Physician, average services per provider: 45. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $49.07
Janssen Biotech, INC. 1 $20.53
Pfizer INC. 1 $19.94

By nature of payment

Food and Beverage
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,103
Patients
875
Total drug cost
$289,958
Drug Type Claims Patients Total cost
Omeprazole Generic 594 176 $8,906
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 282 277 $22,244
Pantoprazole Sodium Generic 273 76 $4,554
Linzess (Linaclotide) Brand 181 38 $134,712
Dicyclomine Hcl Generic 142 40 $2,732
Ondansetron Hcl Generic 138 99 $2,995
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 119 20 $3,864
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 62 62 $943
Famotidine Generic 55 14 $1,048
Sucralfate Generic 51 13 $3,150

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Simon's medical specialty?
Dr. Jonathan Simon practices Internal Medicine Physician in Ansonia, CT.
Where does Dr. Jonathan Simon practice?
Dr. Jonathan Simon practices at 22 Westfield Ave, Ansonia, CT 06401. Office phone: 2037369919.
What is Dr. Jonathan Simon's NPI?
Dr. Jonathan Simon's National Provider Identifier (NPI) is 1073565511, issued by NPPES.
Does Dr. Jonathan Simon accept Medicare assignment?
Yes. Dr. Jonathan Simon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Simon commonly perform?
Top Medicare-reported procedures in 2023: 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); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.