MS. KATJA A VON SITAS (PA) – Physician Assistant, NPI 1457594020
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
386 PHYSICIAN ASSISTANT in VT
Provider Addresses for MS. KATJA A VON SITAS (PA)
1775 WILLISTON RD STE 110
SOUTH BURLINGTON, VT 054036491
Phone: (877) 698-8496
Fax: (802) 862-9637
Type: Location
53 Fairfax Rd
Saint Albans, VT 054784405
Phone: (802) 524-3215
Fax: (802) 524-5438
Type: Location
28, Park Avenue, Williston Park, North Hempstead, Nassau County, New York, 11596, United States
WILLISTON, VT 054959701
Phone: (802) 878-1008
Fax: (802) 872-2679
Type: Mailing
53, Fairfax Road, Hill Farm Estates, Saint Albans Town, Franklin County, Vermont, 05479, United States
SAINT ALBANS, VT 054784405
Phone: (802) 524-3215
Fax: (802) 524-5438
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2009-05-07
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 |
|---|---|---|---|---|
| I20090507000135 | I | Physician Assistant | VT | 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 05403)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | NV | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VT | |
| Nurse Practitioner | VT | |
| Nurse Practitioner | VT | |
| Certified Nurse Midwife (Cnm) | VT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA |
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