JONATHAN DEMCHAK (PA-C) – Physician Assistant, NPI 1285015610
Physician Assistant
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
9,691 PHYSICIAN ASSISTANT in PA
Provider Addresses for JONATHAN DEMCHAK (PA-C)
700 HIGH ST
WILLIAMSPORT, PA 177013198
Phone: (570) 321-3454
Fax: (570) 321-3455
Type: Location
1201 GRAMPIAN BLVD
SUITE 1K
WILLIAMSPORT, PA 177011900
Phone:
Type: Mailing
1 Guthrie Dr
Corning, NY 148303696
Phone: (607) 937-7200
Type: Location
1 GUTHRIE SQ
SAYRE, PA 188401625
Phone: (570) 888-5858
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $43.
Total Amount is formed as General ($43) + Research ($0) + Ownership ($0) = $43.
Last reported payment date: 2024-08-13 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($43).
Total Amount
$43
General + Research + Ownership
Payments
2
Total payment records
General Amount
$43
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $43 |
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: 2018-05-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20150723006747 | I | Physician Assistant | PA | TBD |
| I20180529002521 | I | Physician Assistant | NY | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 121 | 120 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 87 | 87 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 11 | 11 | $0 |
Insurance plans in this area (ZIP 17701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | NY | |
| Physician Assistant | NY | |
| Nurse Practitioner | NY | |
| Physician Assistant | NY | |
| Nurse Practitioner | NY | |
| Nurse Practitioner | NY | |
| Diagnostic Radiology, Interventional Radiology | FL | |
| Diagnostic Radiology | WA | |
| Nurse Practitioner | NY | |
| Nurse Practitioner | NY |
Reviews
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