Joanna E. Sampson, M.D.
Gastroenterology Physician · Bristol, CT
Joanna E. Sampson, M.D. is a gastroenterology physician with a practice address in Bristol, Connecticut, and NPI 1124183074, issued on Dec 22, 2006. Check the license (Connecticut 044798, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joanna E. Sampson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 044798 CT
Self-reported in NPPES; status is on the state search - Practice location
- 25 Newell RD, Bristol, CT 06010
- Phone
- (860) 583-9252
- Enumerated
- Dec 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 585-9848
- Medicare enrollment
- Enrolled (PECOS I20070308000214); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 25 Newell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Victoria Biondi, MDObstetrics & Gynecology Physician1659474724
- Jeffrey Bitterman, MDRadiation Oncology Physician1922061134
- Peter Bloom, M.D.Gastroenterology Physician1447468954
Verify Joanna E. Sampson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 044798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,023 Medicare Part D claims for 874 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Gavilyte-G392 claims
- Omeprazole327 claims
- Pantoprazole Sodium151 claims
- Dicyclomine Hcl106 claims
- Linzess66 claims
- Famotidine64 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $807.96
39 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Connecticut GI PLLCEnfield, CT
- Riverbend Medical Group IncSpringfield, MA
- Trinity Health OF New England Provider Network Organization IncEnfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna E. Sampson among 336 gastroenterology physician records in Connecticut
Joanna E. Sampson, M.D. is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1999 · median 2001 among the 255 with a school on file
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in Bristol → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Peter Bloom, M.D.Bristol, CT 060101447468954
- Ronald Green, MDBristol, CT 060101003873571
- Kenneth Krasner, MDBristol, CT 060101861459349
- William Ramsey, M.D.Bristol, CT 060101417098146
- Daniel Smiley, MDBristol, CT 060101033176870
- Salam Zakko, MDBristol, CT 060101801852934
- Theodore Loewenthal, MDBloomfield, CT 060021780788398
- Marianna Scranton, DOBloomfield, CT 060021629437249
Common questions
What is Joanna E. Sampson, M.D.'s NPI number?
Joanna E. Sampson, M.D.'s National Provider Identifier (NPI) is 1124183074, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joanna E. Sampson, M.D. located?
The NPPES record lists a practice address at 25 Newell RD, Bristol, CT, 06010. Phone: (860) 583-9252. Providers update this record themselves, so call before visiting.
How can I verify Joanna E. Sampson, M.D.'s license?
NPPES lists Connecticut license number 044798, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joanna E. Sampson, M.D. prescribe under Medicare Part D?
In 2024, Joanna E. Sampson, M.D. had 2,023 Medicare Part D claims for 874 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.