DIANA CASALLAS (PA-C) – Physician Assistant, NPI 1295107589
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,691 PHYSICIAN ASSISTANT in PA
Provider Addresses for DIANA CASALLAS (PA-C)
2500 MARYLAND RD STE 400
WILLOW GROVE, PA 190901225
Phone: (215) 481-4141
Fax: (215) 481-6790
Type: Mailing
1200 OLD YORK RD STE 2B
ABINGTON, PA 190013720
Phone: (215) 481-2222
Fax: (215) 481-4361
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $39.
Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.
Last reported payment date: 2024-09-11 • Largest payer in this snapshot: Exact Sciences Corporation ($22).
Total Amount
$39
General + Research + Ownership
Payments
2
Total payment records
General Amount
$39
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $22 |
| PFIZER INC. | $16 |
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: 2020-02-03
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 |
|---|---|---|---|---|
| I20200203001440 | I | Physician Assistant | PA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 52 | 28 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 19090)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| - | PA | |
| P O D I A T R Y | NY | |
| - | DE | |
| A N E S T H E S I O L O G Y | PA | |
| Physician Assistant | NJ | |
| Physician Assistant | PA | |
| N E U R O L O G Y | MD | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Family Practice | PA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.