Dr. Joanna E. Sampson, MD
- Medicare services, 2024
- 845
- Medicare patients, 2024
- 636
- Part D claims, 2024
- 2,023
- Hospital affiliations
- 5
- Industry payments
- $5,763
- Practice address
- 113 Elm St, Enfield, CT 06082
- Practice phone
- Call (860) 246-2571
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Connecticut GI
Enfield, Connecticut
Find Dr. Sampson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Joanna E. Sampson is a gastroenterologist in Enfield, Connecticut
Dr. Sampson practices at Connecticut GI in Enfield, Connecticut.
Dr. Sampson's NPI, 1124183074, was assigned on December 22, 2006. Dr. Sampson graduated from University of Massachusetts Medical School in 1999. Dr. Sampson holds Connecticut license 044798.
- NPI
- 1124183074NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143253047
- NPI enumeration date
- December 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 246-2571
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanna E. Sampson practices at Connecticut GI in Enfield, Connecticut
Dr. Sampson's primary practice is Connecticut GI, at 113 Elm St, Enfield, CT 06082 in Capitol County. The practice phone is (860) 246-2571.
- Connecticut GI113 Elm St, Enfield, CT 06082 · Capitol CountyPhone(860) 246-2571
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joanna E. Sampson is affiliated with 9 sites of care and 4 medical groups
Dr. Sampson's primary practice is Connecticut GI in Enfield, Connecticut. Dr. Sampson is also affiliated with Hartford Hospital. The medical group on file is Connecticut GI. Dmand AI also links Dr. Sampson to 4 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joanna E. Sampson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sampson practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Connecticut GI | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanna E. Sampson is one of 298 gastroenterologists in Connecticut
Gastroenterology is Dr. Sampson's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Sampson is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Sampson is licensed in Connecticut.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
Gastroenterologists near Dr. Sampson
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. Joanna E. Sampson billed Medicare for 845 services in 2024
CMS data shows 845 Medicare services from Dr. Sampson across 14 procedure codes in 2024, for 636 Medicare patients. Medicare paid $114,871 for them.
Dr. Sampson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4352024: 4028%
- Office and hospital visits
- 2023: 3712024: 33410%
- Other services
- 2023: 1262024: 9128%
- Tests and treatments
- 2023: 172024: 186%
Where Dr. Sampson's Medicare services took place, 2024
- In an office31637%
- In a facility52963%
Dr. Sampson compared with the Connecticut median for gastroenterologists, 2024
- Dr. Sampson
- Connecticut median
- Medicare services
- 845vs 3612.3 times
- Medicare patients
- 636vs 2532.5 times
- Part D claims
- 1,783vs 5383.3 times
Medians across 284 gastroenterologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Sampson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sampson and other gastroenterologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanna E. Sampson treated 636 Medicare patients in 2024, average age 72
CMS counts 636 Medicare patients who saw Dr. Sampson in 2024. The largest group is 65 to 74, with 346 patients. 73% of them have high cholesterol, and 70% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sampson's median patient age at 65, with 71% women.
Dr. Sampson's Medicare patients by age, 2024
Dr. Sampson's Medicare patients by sex, 2024
- Women45371%
- Men18329%
Chronic conditions among Dr. Sampson's Medicare patients, 2024
- High cholesterol73%
- High blood pressure70%
- Arthritis53%
- Mood disorders29%
- Anxiety28%
- Depression26%
- Diabetes25%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sampson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanna E. Sampson wrote 2,023 Medicare Part D claims in 2024
In 2024, Dr. Sampson wrote 2,023 Medicare Part D claims for 874 patients. 78% of them were for generic drugs. CMS names the drug for 1,783 of them, across 34 drugs with 11 or more claims each, at $1,492,692 in total drug cost. In 2023, CMS named 2,174 claims across 46 drugs.
Dr. Sampson's Part D claims by kind of drug, 2024
- Generic1,571 claims78%
- Brand-name452 claims22%
Dr. Sampson'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. Sampson's Part D claims, 2024
- Antibiotics1%21 of 2,023 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: 2,1742024: 1,78318%
Drugs named by CMS: 34 in 2024, 46 in 2023.
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. Joanna E. Sampson ranks in the 95th percentile for colonoscopy in Medicare
Dr. Sampson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sampson as offering telehealth. CMS counts 227 procedures of colonoscopy by Dr. Sampson, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Sampson ranks in Medicare procedure volume
- Colonoscopy
- 95th percentile227 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 78th percentile106 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. Joanna E. Sampson received $5,763 in industry payments from 2016 to 2025
CMS Open Payments shows 307 general payments to Dr. Sampson from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,613.
General payments to Dr. Sampson by program year, 2016 to 2025
General payments to Dr. Sampson by kind, 2016 to 2025
- Food and beverage$5,741100%
- Education$220%
Companies that paid Dr. Sampson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joanna E. Sampson graduated from University of Massachusetts Medical School
Dr. Sampson graduated from University of Massachusetts Medical School in 1999.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Sources for Dr. Joanna E. Sampson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Joanna E. Sampson
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. Joanna E. Sampson's NPI number?
Dr. Joanna E. Sampson's NPI number is 1124183074. It was assigned on December 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanna E. Sampson?
Dr. Joanna E. Sampson is a gastroenterologist in Enfield, Connecticut. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Joanna E. Sampson practice?
Dr. Sampson practices at 113 Elm St, Enfield, CT 06082. Dr. Sampson's primary practice is Connecticut GI in Enfield, Connecticut. Dmand AI also links Dr. Sampson to 4 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Joanna E. Sampson's office phone number?
The practice phone on file for Dr. Sampson is (860) 246-2571.
What is Dr. Joanna E. Sampson's medical license number?
Dr. Sampson holds Connecticut license 044798.
Which hospitals is Dr. Joanna E. Sampson affiliated with?
Dr. Sampson is affiliated with Hartford Hospital. Dmand AI links Dr. Sampson to 4 more hospitals.
What medical group is Dr. Joanna E. Sampson part of?
Dr. Sampson is linked to Connecticut GI. Dmand AI links Dr. Sampson to 3 more medical groups.
Does Dr. Joanna E. Sampson accept Medicare?
Yes. CMS data shows Dr. Sampson billed Medicare for 845 services in 2024, and Dr. Sampson accepts Medicare assignment.
Does Dr. Joanna E. Sampson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sampson as offering telehealth services.
How many Medicare patients does Dr. Joanna E. Sampson see?
CMS counts 636 Medicare patients who saw Dr. Sampson in 2024, with an average age of 72.
Show 6 more questionsShow fewer questions
Is Dr. Joanna E. Sampson board certified?
Yes. Dr. Sampson is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Joanna E. Sampson bill to Medicare?
In 2024, Dr. Sampson's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99213) and surgery: digestive system (43239).
Where did Dr. Joanna E. Sampson go to medical school?
Dr. Sampson graduated from University of Massachusetts Medical School in 1999.
What drugs does Dr. Joanna E. Sampson prescribe most?
In 2024 Medicare Part D data, Dr. Sampson's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Pantoprazole Sodium.
Has Dr. Joanna E. Sampson received payments from drug or device companies?
CMS Open Payments shows $5,763 in general payments to Dr. Sampson from 31 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Joanna E. Sampson been practicing?
Dr. Sampson graduated from medical school in 1999, 27 years ago.
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