Jason Kass, MD, PHD
Otolaryngology Physician · Worcester, MA
Jason Kass, MD, PHD is an otolaryngology physician with a practice address in Worcester, Massachusetts, and NPI 1194957589, issued on Aug 18, 2009. Check the license (Massachusetts 263693, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jason Kass
- Credential
- MD, PHD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 263693 MA
Self-reported in NPPES; status is on the state search - Practice location
- 123 Summer St Ste 300, Worcester, MA 01608
- Phone
- (508) 368-3103
- Enumerated
- Aug 18, 2009
- Record last updated
- Jun 17, 2025
- Fax
- (508) 368-3104
- Medicare enrollment
- Enrolled (PECOS I20160121002217); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 123 Summer St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Burakiewicz, AU.DAudiologist1598281602
- James Kenealy, MDSpecialist1770679730
- Meredith Leone, PA-CPhysician Assistant1073848560
Verify Jason Kass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 263693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average otolaryngology physician in 2024
144 Medicare Part D claims for 76 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 18 claims were for opioids.
Most prescribed
- Fluticasone Propionate17 claims
- Lidocaine Hcl Viscous15 claims
- Oxycodone Hcl11 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: $910.32
22 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Kass among 364 otolaryngology physician records in Massachusetts
Jason Kass, MD, PHD 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 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2004 among the 239 with a school on file
- Record last updated2025 · 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.
All 364 in Massachusetts → Every provider in Worcester → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Andrea Chiaramonte, MD MPHWorcester, MA 016081538137310
- Thomas Klein, MDWorcester, MA 016081710953898
- Anjali Mehta, MDWorcester, MA 016081043343429
- Joseph Sidari, MDWorcester, MA 016081699709584
- James Hughes, MDWorcester, MA 016091104810290
- Jonathon Sillman, M.D.Worcester, MA 016091972550101
- Melinda Thacker, M.D.Worcester, MA 016091255579561
- Marshall Zamansky, M.D.Worcester, MA 016091558362525
Common questions
What is Jason Kass, MD, PHD's NPI number?
Jason Kass, MD, PHD's National Provider Identifier (NPI) is 1194957589, issued on Aug 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jason Kass, MD, PHD located?
The NPPES record lists a practice address at 123 Summer St Ste 300, Worcester, MA, 01608. Phone: (508) 368-3103. Providers update this record themselves, so call before visiting.
How can I verify Jason Kass, MD, PHD's license?
NPPES lists Massachusetts license number 263693, 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 Jason Kass, MD, PHD prescribe under Medicare Part D?
In 2024, Jason Kass, MD, PHD had 144 Medicare Part D claims for 76 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.