NPPES file of Aug 9, 2026

David M. Sack, MD

Gastroenterology Physician · Manchester, NH

David M. Sack, MD is a gastroenterology physician with a practice address in Manchester, New Hampshire, and NPI 1710986898, issued on Jul 20, 2005. Check the license (New Hampshire EL10071, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1710986898
Name
David M. Sack
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
EL10071 NH
027392 CT
Self-reported in NPPES; status is on the state search
Practice location
100 Hitchcock Way, Manchester, NH 03104
Phone
(603) 695-2500
Enumerated
Jul 20, 2005
Record last updated
Oct 3, 2022
Medicaid ID
1273929 CT
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 100 Hitchcock Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Abels, M.D.Specialist1720035199
  2. Stephanie Ackerson, MSN, APRN, CDCESNurse Practitioner1477083038
  3. Jason Akerman, MDUrology Physician1003475914
  4. Sally Alwan, MDFamily Medicine Physician1255546115
  5. Angelina Androsova, PAPhysician Assistant1174829048
  6. Gerald Angoff, M.D.Cardiovascular Disease Physician1215999305

Verify David M. Sack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license EL10071
    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 New Hampshire license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 76 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.

  1. Qualityout of 100 · 30% of the final score65.3
  2. Costout of 100 · 30%54.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

David M. Sack among 110 gastroenterology physician records in New Hampshire

David M. Sack, MD is one of 110 gastroenterology physician records with a practice address in New Hampshire. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2022 · 60% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New Hampshire

There are 110 gastroenterology physician records in New Hampshire.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. John Dowd, D.O.Manchester, NH 031041164498648
  2. David Golden, M.D.Manchester, NH 031041891897856
  3. Angelo Pete Horatagis, M.D.Manchester, NH 031041992893820
  4. Stuart Jarvis, MDManchester, NH 031041467415067
  5. Emilianos Karagiannis, M.D.Manchester, NH 031041689657363
  6. Francis Macmillan, M.D.Manchester, NH 031041205804952
  7. Gregory McCarthy, M.D.Manchester, NH 031041942393525
  8. Trinh Meyer, M.D.Manchester, NH 031041164563268

Common questions

What is David M. Sack, MD's NPI number?

David M. Sack, MD's National Provider Identifier (NPI) is 1710986898, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David M. Sack, MD located?

The NPPES record lists a practice address at 100 Hitchcock Way, Manchester, NH, 03104. Phone: (603) 695-2500. Providers update this record themselves, so call before visiting.

How can I verify David M. Sack, MD's license?

NPPES lists New Hampshire license number EL10071, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is David M. Sack, MD's MIPS final score?

The 2023 MIPS final score is 76 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.