NPPES file of Aug 9, 2026

John William Gilliland, DDS

Dentist · North Andover, MA

John William Gilliland, DDS is a dentist with a practice address in North Andover, Massachusetts, and NPI 1124549902, issued on Jun 30, 2017. Check the license (Massachusetts DN1857871, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1124549902
Name
John William Gilliland
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
DN1857871 MA
Self-reported in NPPES; status is on the state search
Practice location
795 Turnpike St, North Andover, MA 01845
Phone
(781) 245-2299
Enumerated
Jun 30, 2017
Record last updated
Sep 11, 2019 (not updated in 7 years: call before relying on the address or phone)
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 795 Turnpike St

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

  1. Walter Jacobs, MDFamily Medicine Physician1841399433

Verify John William Gilliland in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license DN1857871
    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
Find the Massachusetts license search

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27% fewer Medicare Part D claims than the average dentist in 2024

63 Medicare Part D claims for 50 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Gilliland63
  2. Specialty average86

Most prescribed

  1. Amoxicillin44 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: $119.73

2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Gilliland$119.73
  2. Specialty average$540.36

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

John William Gilliland among 2,934 dentist records in Massachusetts

John William Gilliland, DDS is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 57% of them.

  • NPI issued2017 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Massachusetts

There are 2,934 dentist records in Massachusetts.

The 8 dentist records with the nearest ZIP codes

  1. David Abou-EzziNorth Andover, MA 018451639817257
  2. Shreya Mohan, DMDNorth Andover, MA 018451215500988
  3. Olubiyi Ogunjimi, DDS, MPHNorth Andover, MA 018451245469121
  4. Steven Rinaldi, DMDNorth Andover, MA 018451144928912
  5. Catheleen Wallent, MDNorth Andover, MA 018451679778070
  6. David Wang, DMDNorth Andover, MA 018451578591475
  7. Lily Zhang, DMDNorth Andover, MA 018451306874292
  8. Nadia Daljeet, DMDMethuen, MA 018441467869263

Common questions

What is John William Gilliland, DDS's NPI number?

John William Gilliland, DDS's National Provider Identifier (NPI) is 1124549902, issued on Jun 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is John William Gilliland, DDS located?

The NPPES record lists a practice address at 795 Turnpike St, North Andover, MA, 01845. Phone: (781) 245-2299. Providers update this record themselves, so call before visiting.

How can I verify John William Gilliland, DDS's license?

NPPES lists Massachusetts license number DN1857871, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does John William Gilliland, DDS prescribe under Medicare Part D?

In 2024, John William Gilliland, DDS had 63 Medicare Part D claims for 50 beneficiaries; the average among dentist prescribers was 86. 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.