Doctor profile · Federal record

Dr. Jennifer Czwornog, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Aurora, CO

  • NPI 1801112396
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
12605 E 16Th Ave
Aurora, CO 800452545
(720) 848-0000
Additional location
100 Cook St Ste 312
Denver, CO 802065339
(720) 516-9408
fax (720) 516-9436
Additional location
777 Bannock St
Denver, CO 802044597
(303) 436-4949
fax (303) 602-6190
Mailing address
Po Box 110429
Aurora, CO 800420429

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
December 19, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Colorado #DR.0056653

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801112396. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
110
Distinct HCPCS
5
Medicare allowed
$12,307
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 35 35 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 30 30 $242
45380 Biopsy of large bowel using a flexible endoscope 19 19 $99
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 12 $131

In context: peer comparison

Among 15 peers in this city , average services per provider: 25. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
42
Patients
31
Total drug cost
$857
Drug Type Claims Patients Total cost
Omeprazole Generic 22 12 $351
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 20 19 $507

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Czwornog's medical specialty?
Dr. Jennifer Czwornog practices Gastroenterology Physician in Aurora, CO.
Where does Dr. Jennifer Czwornog practice?
Dr. Jennifer Czwornog practices at 12605 E 16Th Ave, Aurora, CO 800452545. Office phone: 7208480000.
What is Dr. Jennifer Czwornog's NPI?
Dr. Jennifer Czwornog's National Provider Identifier (NPI) is 1801112396, issued by NPPES.
Does Dr. Jennifer Czwornog accept Medicare assignment?
Yes. Dr. Jennifer Czwornog accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Czwornog commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.