MS. CATHLEEN MARGUERITE MIHELICH (PA-C) – Medical Physician Assistant, NPI 1639185374
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,430 PHYSICIAN ASSISTANT in VA
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Provider Addresses for MS. CATHLEEN MARGUERITE MIHELICH (PA-C)
The Potomac Center, 2296, Opitz Boulevard, Woodbridge, Prince William County, Virginia, 22191, United States
SUITE 400
WOODBRIDGE, VA 221913300
Phone: (703) 580-0181
Type: Location
8939, Royal Astor Way, Merrifield, Fairfax County, Virginia, 22031, United States
FAIRFAX, VA 220311499
Phone: (703) 585-9006
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 337 Open Payments records for all available years, with a total value of $6,145.
Total Amount is formed as General ($6,145) + Research ($0) + Ownership ($0) = $6,145.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: ABBVIE INC. ($1,688).
Total Amount
$6,145
General + Research + Ownership
Payments
337
Total payment records
General Amount
$6,145
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,688 |
| Janssen Biotech, Inc. | $641 |
| Takeda Pharmaceuticals U.S.A., Inc. | $303 |
| E.R. Squibb & Sons, L.L.C. | $298 |
| Celgene Corporation | $285 |
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: 2017-01-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-08-31 (1014 days ago).
Enrollment records
2
Earliest due date
2023-08-31
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 |
|---|---|---|---|---|
| I20061219000077 | I | Physician Assistant | VA | 2023-08-31 |
| I20170103001207 | I | Physician Assistant | DC | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 92 | 77 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 70 | 64 | $0 |
Insurance plans in this area (ZIP 22191)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | VA | |
| Internal Medicine, Gastroenterology | PA | |
| Interventional Radiology | MA | |
| - | VA | |
| G A S T R O E N T E R O L O G Y | VA | |
| Nurse Practitioner | SC | |
| Nurse Practitioner | VA | |
| Interventional Radiology | DC | |
| Nurse Practitioner | VA | |
| G A S T R O E N T E R O L O G Y | VA |
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