NPPES file of Aug 9, 2026

John Thomas Rusnock, DMD

Periodontics · Cambridge, MA

John Thomas Rusnock, DMD is a periodontics with a practice address in Cambridge, Massachusetts, and NPI 1245296037, issued on Apr 21, 2006. Check the license (Massachusetts 17209, 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
1245296037
Name
John Thomas Rusnock
Credential
DMD
Primary taxonomy
Periodontics 1223P0300X
License number
17209 MA
Self-reported in NPPES; status is on the state search
Practice location
1105 Massachusetts Ave, Cambridge, MA 02138
Phone
(617) 547-0618
Enumerated
Apr 21, 2006
Record last updated
Sep 11, 2025
Fax
(617) 576-3187
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 1105 Massachusetts Ave

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

  1. Jack Beinashowitz, PH.D.Psychologist1104999085
  2. Alma Berson, LICSW, PHDClinical Social Worker1598804015
  3. Heidi Bright, CNSPsychiatric/Mental Health Registered Nurse1538224134
  4. Jill Colman, PSY.D.Psychologist1427114529
  5. Rochelle Davis, ED DPsychologist1295790095
  6. Emmeline Diller, M.D.Psychiatry Physician1225077316

Verify John Thomas Rusnock 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 17209    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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34% more Medicare Part D claims than the average periodontics in 2024

372 Medicare Part D claims for 161 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.

  1. John Rusnock372
  2. Specialty average277

Most prescribed

  1. Amoxicillin166 claims
  2. Chlorhexidine Gluconate148 claims
  3. Azithromycin32 claims
  4. Oxycodone-Acetaminophen12 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: $75.99

2 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Rusnock$75.99
  2. Specialty average$1,338.41

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

Periodontics providers in Massachusetts

There are 390 periodontics records in Massachusetts.

All 390 in Massachusetts → Every provider in Cambridge →

Other periodontics records in Massachusetts

  1. Sharam Abbott, D.M.D.Hudson, MA1548287279
  2. Carlos AbboudQuincy, MA1518158591
  3. Rima Abdallah, BDSBoston, MA1669632626
  4. Natalia Acosta-Farhadi, DDS, MSMarlborough, MA1760160212
  5. Bushra AhmadBoston, MA1447763081
  6. Chiho Ahn, DMDBoston, MA1215465505
  7. Hamad Al-Fahad, D.M.D.Boston, MA1730327222
  8. Shatha Al-HarthiBoston, MA1699029355
  9. Majdi AladmawyBoston, MA1639429525
  10. Abdulla Alani, BDSBoston, MA1447929195

Common questions

What is John Thomas Rusnock, DMD's NPI number?

John Thomas Rusnock, DMD's National Provider Identifier (NPI) is 1245296037, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Thomas Rusnock, DMD located?

The NPPES record lists a practice address at 1105 Massachusetts Ave, Cambridge, MA, 02138. Phone: (617) 547-0618. Providers update this record themselves, so call before visiting.

How can I verify John Thomas Rusnock, DMD's license?

NPPES lists Massachusetts license number 17209, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does John Thomas Rusnock, DMD prescribe under Medicare Part D?

In 2024, John Thomas Rusnock, DMD had 372 Medicare Part D claims for 161 beneficiaries; the average among periodontics prescribers was 277. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.