NPPES file of Aug 9, 2026

David Barenberg, M.D.

Gastroenterology Physician · Danbury, CT

David Barenberg, M.D. is a gastroenterology physician with a practice address in Danbury, Connecticut, and NPI 1548297633, issued on Jun 26, 2006. Check the license (Connecticut 30351, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548297633
Name
David Barenberg
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
30351 CT
148974 NY
Self-reported in NPPES; status is on the state search
Practice location
2 Hospital Ave, Danbury, CT 06810
Phone
(203) 790-9551
Enumerated
Jun 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(203) 778-9961
Medicare enrollment
Enrolled (PECOS I20090129000444); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify David Barenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 30351
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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55% more Medicare Part D claims than the average gastroenterology physician in 2024

1,255 Medicare Part D claims for 403 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. David Barenberg1,255
  2. Specialty average811

Most prescribed

  1. Famotidine371 claims
  2. Pantoprazole Sodium285 claims
  3. Gavilyte-G60 claims
  4. Omeprazole54 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf47 claims
  6. Rabeprazole Sodium34 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.

The MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $125.00

1 payment: 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.

  1. David Barenberg$125.00
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Nuvance Health Medical Practice CT IncDanbury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Barenberg among 336 gastroenterology physician records in Connecticut

David Barenberg, 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
  • Graduated1980 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Clifford Appel, M.D.Danbury, CT 068101366436065
  2. Steven Brandwein, M.D.Danbury, CT 068101174542450
  3. Tyson Collazo, M.D.Danbury, CT 068101801195565
  4. Scott Estabrook, M.D.Danbury, CT 068101225053051
  5. Joseph Fiorito, M.D.Danbury, CT 068101730108010
  6. Gerald Franklin, MDDanbury, CT 068101184658528
  7. Steven Gorelick, M.D.Danbury, CT 068101972555183
  8. Adam Gorelick, M.D.Danbury, CT 068101356482251

Common questions

What is David Barenberg, M.D.'s NPI number?

David Barenberg, M.D.'s National Provider Identifier (NPI) is 1548297633, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Barenberg, M.D. located?

The NPPES record lists a practice address at 2 Hospital Ave, Danbury, CT, 06810. Phone: (203) 790-9551. Providers update this record themselves, so call before visiting.

How can I verify David Barenberg, M.D.'s license?

NPPES lists Connecticut license number 30351, 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 David Barenberg, M.D. prescribe under Medicare Part D?

In 2024, David Barenberg, M.D. had 1,255 Medicare Part D claims for 403 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is David Barenberg, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.