STEPHANIE DIEFFENTHALLER – Physician Assistant, NPI 1922643345
Physician Assistant
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
9,231 PHYSICIAN ASSISTANT in FL
Provider Addresses for STEPHANIE DIEFFENTHALLER
960 ENGLISH TOWN LN APT 312
WINTER SPRINGS, FL 327084680
Phone: (727) 481-3942
Type: Mailing
8787 BRYAN DAIRY RD STE 250
LARGO, FL 337771259
Phone: (727) 391-6296
Fax: (813) 635-7940
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 86 Open Payments records for all available years, with a total value of $1,692.
Total Amount is formed as General ($1,692) + Research ($0) + Ownership ($0) = $1,692.
Last reported payment date: 2024-07-18 • Largest payer in this snapshot: ABBVIE INC. ($392).
Total Amount
$1,692
General + Research + Ownership
Payments
86
Total payment records
General Amount
$1,692
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $392 |
| Novo Nordisk Inc | $302 |
| Bayer Healthcare Pharmaceuticals Inc. | $194 |
| Exact Sciences Corporation | $149 |
| Amgen Inc. | $132 |
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: 2020-08-17
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 |
|---|---|---|---|---|
| I20200817000412 | I | Physician Assistant | FL | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 252 | 202 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 101 | 81 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 50 | 50 | $0 |
| 81003 | Automated urinalysis test | 29 | 29 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 22 | 21 | $0 |
Insurance plans in this area (ZIP 32708)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | FL | |
| - | FL | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Family Practice | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL | |
| - | GA |
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.