NPPES file of Aug 9, 2026

William Grover Jackson, M.D.

Gastroenterology Physician · Salisbury, MA

William Grover Jackson, M.D. is a gastroenterology physician with a practice address in Salisbury, Massachusetts, and NPI 1003843590, issued on Jun 28, 2006. Check the license (Massachusetts 57551, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1003843590
Name
William Grover Jackson
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
57551 MA
Self-reported in NPPES; status is on the state search
Practice location
46 Toll RD, Salisbury, MA 01952
Phone
(978) 462-3009
Enumerated
Jun 28, 2006
Record last updated
Nov 13, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(978) 462-0177
Medicaid ID
3019152 MA
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 46 Toll RD

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

  1. Jocelyn Duff, PAMedical Physician Assistant1558404665

Verify William Grover Jackson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 57551
    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 Massachusetts license search

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1 gastroenterology physician records list a practice address in Salisbury

They are 1 of the 59 NPPES records with a practice address in Salisbury, and 686 gastroenterology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other gastroenterology physician records in Massachusetts

  1. Robert Aaron, MDStoneham, MA1962694323
  2. Michael Aaronson, MDBeverly, MA1366547739
  3. Diane Abraczinskas, MDBoston, MA1811988488
  4. Nitin Aggarwal, M.D.North Chelmsford, MA1407145402
  5. Jaya Agrawal, M.D.Florence, MA1316979842
  6. Heidi Ahmed, M.D.North Chelmsford, MA1801276472
  7. Lynne Ahn, MDFramingham, MA1144269143
  8. Hiroyuki Aihara, M.D.Boston, MA1619395795
  9. Mona AkbariSouth Weymouth, MA1871720037
  10. Geetanjali Akerkar, M.D.Chelmsford, MA1144289166

Common questions

What is William Grover Jackson, M.D.'s NPI number?

William Grover Jackson, M.D.'s National Provider Identifier (NPI) is 1003843590, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Grover Jackson, M.D. located?

The NPPES record lists a practice address at 46 Toll RD, Salisbury, MA, 01952. Phone: (978) 462-3009. Providers update this record themselves, so call before visiting.

How can I verify William Grover Jackson, M.D.'s license?

NPPES lists Massachusetts license number 57551, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.