JASON KASS (MD, PHD) – Otolaryngology Physician, NPI 1194957589
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
392 OTOLARYNGOLOGY in MA
Provider Addresses for JASON KASS (MD, PHD)
123 SUMMER ST STE 300
WORCESTER, MA 016081216
Phone: (508) 368-3103
Fax: (508) 368-3104
Type: Mailing
101 Cedar St
Milford, MA 017571101
Phone: (508) 634-8164
Fax: (508) 634-5064
Type: Location
24 Newton St
Southborough, MA 017721215
Phone: (508) 460-3291
Fax: (508) 481-3706
Type: Location
Doctors Office Building, 720, Harrison Avenue, South End, Boston, Suffolk County, Massachusetts, 02118, United States
DOB 503
BOSTON, MA 021182371
Phone:
Type: Mailing
Moakley Building, 830, Harrison Avenue, South End, Boston, Suffolk County, Massachusetts, 02118, United States
STE 1400
BOSTON, MA 021186504
Phone: (617) 638-8124
Fax: (617) 638-6424
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $1,545.
Total Amount is formed as General ($1,545) + Research ($0) + Ownership ($0) = $1,545.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($1,298).
Total Amount
$1,545
General + Research + Ownership
Payments
33
Total payment records
General Amount
$1,545
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inspire Medical Systems, Inc. | $1,298 |
| AstraZeneca Pharmaceuticals LP | $128 |
| Seagen Inc. | $85 |
| Merck Sharp & Dohme LLC | $35 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-01-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160121002217 | I | Otolaryngology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 122 | 84 | $0 |
| 31575 | Diagnostic exam of voice box using a flexible endoscope | 87 | 63 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 67 | 57 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 55 | 55 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $0 |
Insurance plans in this area (ZIP 01608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | MA | |
| Internal Medicine | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | MA | |
| Physical Therapist In Private Practice | MA | |
| Physician Assistant | MA | |
| Family Practice | MA | |
| Clinical Psychologist | MA | |
| - | MA |
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