NICHOLAS TSITSILIANOS (MD) – Physical Medicine & Rehabilitation Physician, NPI 1386200780
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
334 PHYSICAL MEDICINE AND REHABILITATION in MA
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Provider Addresses for NICHOLAS TSITSILIANOS (MD)
Saint Vincent Hospital at Worcester Medical Center, 123, Summer Street, Lincoln Square, Belmont Hill, Worcester, Worcester County, Massachusetts, 01608, United States
WORCESTER, MA 016081216
Phone: (508) 363-5000
Type: Mailing
123 Summer St
Worcester, MA 016081216
Phone: (508) 363-5000
Type: Location
281 LINCOLN ST
WORCESTER, MA 016052138
Phone: (508) 334-6606
Fax: (508) 334-9762
Type: Location
PO BOX 415348
BOSTON, MA 022415348
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $142.
Total Amount is formed as General ($142) + Research ($0) + Ownership ($0) = $142.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Medtronic, Inc. ($142).
Total Amount
$142
General + Research + Ownership
Payments
1
Total payment records
General Amount
$142
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $142 |
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: 2025-02-04
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20250204000315 | I | Physical Medicine And Rehabilitation | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 01608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| Physician Assistant | MA | |
| A N E S T H E S I O L O G Y | NY | |
| Pulmonary Disease, Critical Care (Intensivists), Allergy/Immunology | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA |
Reviews
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