NPPES file of Aug 9, 2026

Jonathon S. Sillman, M.D.

Otolaryngology Physician · Worcester, MA

Jonathon S. Sillman, M.D. is an otolaryngology physician with a practice address in Worcester, Massachusetts, and NPI 1972550101, issued on May 31, 2006. Check the license (Massachusetts 79282, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972550101
Name
Jonathon S. Sillman
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
79282 MA
Self-reported in NPPES; status is on the state search
Practice location
48 Elm St, Worcester, MA 01609
Phone
(508) 757-0330
Enumerated
May 31, 2006
Record last updated
Apr 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
0010252 MA
Medicare enrollment
Enrolled (PECOS I20050413000566); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 48 Elm St

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

  1. Jediah Agyenim-BoatengBehavior Technician1760325351
  2. Marla Allard, CCC-AAudiologist1245370378
  3. Olivia Andrade-CainBehavior Technician1457288094
  4. Eleanor BackstromBehavior Technician1326969494
  5. Nadia BoatengBehavior Technician1962320697
  6. Elizabeth BoccardiBehavior Technician1871419457

Verify Jonathon S. Sillman 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 79282
    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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62% fewer Medicare Part D claims than the average otolaryngology physician in 2024

204 Medicare Part D claims for 112 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Jonathon Sillman204
  2. Specialty average541

Most prescribed

  1. Ciprofloxacin-Dexamethasone47 claims
  2. Fluocinolone Acetonide Oil44 claims
  3. Clotrimazole-Betamethasone22 claims
  4. Fluticasone Propionate15 claims
  5. Acetazolamide12 claims
  6. Triamterene-Hydrochlorothiazid11 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.

Bills Medicare through 2 group practices

  1. Associates IN Otolaryngology Head And Neck Surgery, PCWorcester, MA
  2. Pratt Otolaryngology- Head And Neck Surgery Associates Inc.Boston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jonathon S. Sillman among 364 otolaryngology physician records in Massachusetts

Jonathon S. Sillman, M.D. is one of 364 otolaryngology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 54% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1985 · median 2004 among the 239 with a school on file
  • Record last updated2020 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Massachusetts

There are 364 otolaryngology physician records in Massachusetts.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. James Hughes, MDWorcester, MA 016091104810290
  2. Melinda Thacker, M.D.Worcester, MA 016091255579561
  3. Marshall Zamansky, M.D.Worcester, MA 016091558362525
  4. Andrea Chiaramonte, MD MPHWorcester, MA 016081538137310
  5. Jason Kass, MD, PHDWorcester, MA 016081194957589
  6. Thomas Klein, MDWorcester, MA 016081710953898
  7. Anjali Mehta, MDWorcester, MA 016081043343429
  8. Joseph Sidari, MDWorcester, MA 016081699709584

Common questions

What is Jonathon S. Sillman, M.D.'s NPI number?

Jonathon S. Sillman, M.D.'s National Provider Identifier (NPI) is 1972550101, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathon S. Sillman, M.D. located?

The NPPES record lists a practice address at 48 Elm St, Worcester, MA, 01609. Phone: (508) 757-0330. Providers update this record themselves, so call before visiting.

How can I verify Jonathon S. Sillman, M.D.'s license?

NPPES lists Massachusetts license number 79282, 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.

How much does Jonathon S. Sillman, M.D. prescribe under Medicare Part D?

In 2024, Jonathon S. Sillman, M.D. had 204 Medicare Part D claims for 112 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.