Dr. Jennifer Lynn Czwornog, MD

  • Denver, CO
  • Gastroenterologist
NPI1801112396PAC ID5496999674
Medicare services, 2024
27
Medicare patients, 2024
48
Part D claims, 2024
119
Publications
7
Hospital affiliations
2
Practice address
777 Bannock St, Denver, CO 80204
Practice phone
Call (303) 602-4935
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Denver Health Medical Center

Hospital · Denver, Colorado

See all 5 affiliations

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Dr. Jennifer Lynn Czwornog is a gastroenterologist in Denver, Colorado

Dr. Czwornog practices at Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority.

Dr. Czwornog's NPI, 1801112396, was assigned on April 9, 2010. Dr. Czwornog graduated from Indiana University School of Medicine in 2010. Dr. Czwornog holds Colorado license DR.0056653.

NPI and contact details
Medicare PAC ID
5496999674
NPI enumeration date
April 9, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 602-4935
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jennifer Lynn Czwornog practices at Denver Health Medical Center in Denver, Colorado

Dr. Czwornog's primary practice is Denver Health Medical Center, at 777 Bannock St, Denver, CO 80204 in Denver County. The practice phone is (303) 602-4935.

Source: Dmand AI Affiliation Data

Dr. Jennifer Lynn Czwornog is affiliated with 2 sites of care and 3 medical groups

Dr. Czwornog's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority. Dr. Czwornog is also affiliated with UCHealth University of Colorado Hospital. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Czwornog to 2 more medical groups, each named with a free account. Dr. Czwornog's employer is on file too: a hospital.

See all 5 affiliations for Dr. Czwornog

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jennifer Lynn Czwornog's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Czwornog practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Denver Health Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Jennifer Lynn Czwornog is one of 282 gastroenterologists in Colorado

Gastroenterology is Dr. Czwornog's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Czwornog is licensed in Colorado.

Specialties and state licenses

  • Gastroenterology, ColoradoPrimaryLicense DR.0056653 · taxonomy 207RG0100X

Gastroenterologists near Dr. Czwornog

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Jennifer Lynn Czwornog billed Medicare for 27 services in 2024

CMS data shows 27 Medicare services from Dr. Czwornog across 1 procedure code in 2024, for 48 Medicare patients. Medicare paid $98 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202427
Medicare patients48
Paid by Medicare$98
Procedure codes1

Dr. Czwornog's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 352024: 2723%
Surgery
2023: 622024: 0100%
Office and hospital visits
2023: 132024: 0100%

Dr. Czwornog compared with the Colorado median for gastroenterologists, 2024

  • Dr. Czwornog
  • Colorado median
Medicare services
27vs 36893% below
Medicare patients
48vs 25681% below
Part D claims
69vs 32179% below

Medians across 280 gastroenterologists in Colorado with Dmand AI profiles that report each measure.

Dr. Czwornog's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Czwornog

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jennifer Lynn Czwornog treated 48 Medicare patients in 2024, average age 69

CMS counts 48 Medicare patients who saw Dr. Czwornog in 2024. The largest group is 65 to 74, with 28 patients. 63% of them have high blood pressure, and 54% have high cholesterol. 71% are also on Medicaid. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Czwornog's median patient age at 64, with 45% women.

Medicare patients, 202448
Average age69
Average risk score1.78
Also on Medicaid71%

Dr. Czwornog's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Czwornog's Medicare patients by sex, 2024

  • Women2552%
  • Men2348%

Chronic conditions among Dr. Czwornog's Medicare patients, 2024

  1. High blood pressure63%
  2. High cholesterol54%
  3. Arthritis33%
  4. Diabetes33%
  5. Chronic kidney disease25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Czwornog's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women45%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jennifer Lynn Czwornog wrote 119 Medicare Part D claims in 2024

In 2024, Dr. Czwornog wrote 119 Medicare Part D claims for 69 patients. 71% of them were for generic drugs. CMS names the drug for 69 of them, across 3 drugs with 11 or more claims each, at $1,183 in total drug cost. In 2023, CMS named 42 claims across 2 drugs.

Part D claims, 2024119
Drugs named by CMS3
Total drug cost$1,183
Part D patients69

Dr. Czwornog's Part D claims by kind of drug, 2024

  • Generic84 claims71%
  • Brand-name35 claims29%

Dr. Czwornog's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Czwornog's Part D claims, 2024

  • Antibiotics12%14 of 119 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 422024: 6964%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Czwornog

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Jennifer Lynn Czwornog ranks in the 51st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Czwornog accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Czwornog, more than 51% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Czwornog ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
51st percentile21 procedures
Colonoscopy
42nd percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jennifer Lynn Czwornog has 7 publications on record

Dmand AI links 7 papers to Dr. Czwornog, published from 2013 to 2015. 2015 was the busiest year, with 2. The most frequent topics are Body Mass Index, Nutrition Surveys and Proton Pump Inhibitors. Dr. Czwornog's most frequent co-author is Mark Robert Nicolls, MD.

Papers7
Years published2013 to 2015

Topics Dr. Czwornog writes about most

  • Body Mass Index
  • Nutrition Surveys
  • Proton Pump Inhibitors

Dr. Czwornog's most frequent co-authors

Recent publications by Dr. Czwornog

See all 7 publications and co-authors

See who Dr. Czwornog researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Czwornog works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jennifer Lynn Czwornog received $541 in industry payments from 2016 to 2022

CMS Open Payments shows 6 general payments to Dr. Czwornog from 2 drug and device companies from 2016 to 2022. Travel and lodging make up the largest share, 96% of the total. Covidien LP paid the most, $519.

General payments to Dr. Czwornog by program year, 2016 to 2022

General payments to Dr. Czwornog by kind, 2016 to 2022

$541in total
  • Travel and lodging$51996%
  • Food and beverage$224%

Companies that paid Dr. Czwornog the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Czwornog

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jennifer Lynn Czwornog graduated from Indiana University School of Medicine

Dr. Czwornog graduated from Indiana University School of Medicine in 2010.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jennifer Lynn Czwornog's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jennifer Lynn Czwornog

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Jennifer Lynn Czwornog's NPI number?

Dr. Jennifer Lynn Czwornog's NPI number is 1801112396. It was assigned on April 9, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Jennifer Lynn Czwornog?

Dr. Jennifer Lynn Czwornog is a gastroenterologist in Denver, Colorado. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jennifer Lynn Czwornog practice?

Dr. Czwornog practices at 777 Bannock St, Denver, CO 80204. Dr. Czwornog's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority. Dmand AI also links Dr. Czwornog to 2 medical groups.

What is Dr. Jennifer Lynn Czwornog's office phone number?

The practice phone on file for Dr. Czwornog is (303) 602-4935.

What is Dr. Jennifer Lynn Czwornog's medical license number?

Dr. Czwornog holds Colorado license DR.0056653.

Which hospitals is Dr. Jennifer Lynn Czwornog affiliated with?

Dr. Czwornog practices at Denver Health Medical Center in Denver, Colorado. Dr. Czwornog is also affiliated with UCHealth University of Colorado Hospital.

What medical group is Dr. Jennifer Lynn Czwornog part of?

Dr. Czwornog is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Czwornog to 2 more medical groups.

Does Dr. Jennifer Lynn Czwornog accept Medicare?

Yes. CMS data shows Dr. Czwornog billed Medicare for 27 services in 2024, and Dr. Czwornog accepts Medicare assignment.

How many Medicare patients does Dr. Jennifer Lynn Czwornog see?

CMS counts 48 Medicare patients who saw Dr. Czwornog in 2024, with an average age of 69.

What services does Dr. Jennifer Lynn Czwornog bill to Medicare?

In 2024, Dr. Czwornog's most billed Medicare services were medicare service (G0500).

Show 6 more questionsShow fewer questions

Where did Dr. Jennifer Lynn Czwornog go to medical school?

Dr. Czwornog graduated from Indiana University School of Medicine in 2010.

What drugs does Dr. Jennifer Lynn Czwornog prescribe most?

In 2024 Medicare Part D data, Dr. Czwornog's most prescribed drugs by claims were Peg 3350-Electrolyte, Omeprazole and Pantoprazole Sodium.

Has Dr. Jennifer Lynn Czwornog received payments from drug or device companies?

CMS Open Payments shows $541 in general payments to Dr. Czwornog from 2 companies from 2016 to 2022. The largest total came from Covidien LP.

How long has Dr. Jennifer Lynn Czwornog been practicing?

Dr. Czwornog graduated from medical school in 2010, 16 years ago.

Does Dr. Jennifer Lynn Czwornog do research?

Dmand AI links 7 publications to Dr. Czwornog, published from 2013 to 2015.

Who does Dr. Jennifer Lynn Czwornog publish with?

Dr. Czwornog's most frequent co-authors are Mark Robert Nicolls, MD (1 shared paper).

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