Eric David Libby, M.D.
Gastroenterology Physician · Winchester, MA
Eric David Libby, M.D. is a gastroenterology physician with a practice address in Winchester, Massachusetts, and NPI 1922048016, issued on Jun 7, 2006. Check the license (Massachusetts 79352, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric David Libby
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 79352 MA
Self-reported in NPPES; status is on the state search - Practice location
- 955 Main St, Winchester, MA 01890
- Phone
- (781) 729-5855
- Enumerated
- Jun 7, 2006
- Record last updated
- Nov 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 3126072 MA
- Medicare enrollment
- Enrolled (PECOS I20050901000787); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 955 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric David Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 79352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average gastroenterology physician in 2024
902 Medicare Part D claims for 292 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole270 claims
- Sod Sulf-Potass Sulf-Mag Sulf95 claims
- Pantoprazole Sodium84 claims
- Famotidine40 claims
- Mesalamine37 claims
- Esomeprazole Magnesium28 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 practice group's MIPS final score for 2023 (Medicare payment program): 75.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $276.14
10 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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 one group practice
- Digestive Health Associates P.C.Stoneham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric David Libby among 686 gastroenterology physician records in Massachusetts
Eric David Libby, M.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1987 · median 2004 among the 491 with a school on file
- Record last updated2012 · 66% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Winchester → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sanjay Hegde, MDWinchester, MA 018901881756179
- William Vanneman, M.D.Winchester, MA 018901124075718
- Bertil Wolf, MDLynn, MA 019041871549535
- Michael Aaronson, MDBeverly, MA 019151366547739
- Michael Demarkles, MDBeverly, MA 019151376578534
- Richard Einhorn, MDBeverly, MA 019151639104896
- Martin Hahn, M.D.Beverly, MA 019151770698730
- Maria LonshteynBeverly, MA 019151720247653
Common questions
What is Eric David Libby, M.D.'s NPI number?
Eric David Libby, M.D.'s National Provider Identifier (NPI) is 1922048016, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric David Libby, M.D. located?
The NPPES record lists a practice address at 955 Main St, Winchester, MA, 01890. Phone: (781) 729-5855. Providers update this record themselves, so call before visiting.
How can I verify Eric David Libby, M.D.'s license?
NPPES lists Massachusetts license number 79352, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric David Libby, M.D. prescribe under Medicare Part D?
In 2024, Eric David Libby, M.D. had 902 Medicare Part D claims for 292 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Eric David Libby, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.1 of 100, reported for the practice group. 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.