Registry data as of Aug 27, 2026

Jon Jolles, MD

Pediatrics Physician · Hanover, MA

Jon Jolles, MD is a pediatrics physician with a practice address in Hanover, Massachusetts, and NPI 1235120601, issued on Nov 3, 2005. Check the license (Massachusetts 45558, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235120601
Name
Jon Jolles
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
45558 MA
Self-reported in NPPES; status is on the state search
Practice location
51 Mill St, Hanover, MA 02339
Phone
(781) 826-2131
Enumerated
Nov 3, 2005
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 51 Mill St

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

  1. Lawrence Bandoni, DMDGeneral Practice Dentistry1679627780
  2. Julie Bosworth, RD, LDNRegistered Dietitian1891948741
  3. Kathleen Fortini, PNPPediatric Nurse Practitioner1023009495
  4. Thomas Johnston, MDPediatrics Physician1073504445
  5. Cheryl Larson, L.I.C.S.W.Clinical Social Worker1831301209
  6. Robert Leland, DMDGeneral Practice Dentistry1649204652

Verify Jon Jolles 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 45558
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $39.74

1 payment, mostly food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 23,406 providers of this specialty with any payment received $1,203.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Jolles$39.74
  2. Specialty average$1,203.67

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

3 pediatrics physician records list a Hanover practice address

They are 3 of the 276 NPPES records with a Hanover practice address, and 3,067 pediatrics physician records in Massachusetts.

Other pediatrics physician records in Massachusetts

  1. Marissa AaronBoston, MA1538687827
  2. Ralph Aarons, MDBrighton, MA1407841570
  3. Mary-Alice Abbott, MDWorcester, MA1982799417
  4. Ebla Abd AlrahmanWorcester, MA1255966743
  5. James Abel, M.D.Pelham, MA1255521381
  6. Aileen Abesamis, MDBrockton, MA1619056546
  7. Nora Abo-Sido, MDBoston, MA1215425111
  8. Claire Abraham, MDBoston, MA1942731161
  9. Shari Abramowitz, M.D.Boston, MA1558346593
  10. Aya Abu-El-Haija, MDBoston, MA1821337791

Common questions

What is Jon Jolles, MD's NPI number?

Jon Jolles, MD's National Provider Identifier (NPI) is 1235120601, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jon Jolles, MD located?

The NPPES record lists a practice address at 51 Mill St, Hanover, MA, 02339. Phone: (781) 826-2131. Providers update this record themselves, so call before visiting.

How can I verify Jon Jolles, MD's license?

NPPES lists Massachusetts license number 45558, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.