DR. ROBERT A JR. SIKORA (M.D.) – Allergy Physician, NPI 1447254263
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
165 ALLERGY/IMMUNOLOGY in VA
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Provider Addresses for DR. ROBERT A JR. SIKORA (M.D.)
34 ROLLINGSIDE DR
FREDERICKSBURG, VA 224067268
Phone: (540) 752-6845
Type: Mailing
The Potomac Center, 2296, Opitz Boulevard, Woodbridge, Prince William County, Virginia, 22191, United States
STE 401
WOODBRIDGE, VA 221913347
Phone: (703) 670-3900
Fax: (703) 670-6675
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 67 Open Payments records for all available years, with a total value of $1,614.
Total Amount is formed as General ($1,614) + Research ($0) + Ownership ($0) = $1,614.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: GENZYME CORPORATION ($728).
Total Amount
$1,614
General + Research + Ownership
Payments
67
Total payment records
General Amount
$1,614
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $728 |
| GlaxoSmithKline, LLC. | $334 |
| Regeneron Healthcare Solutions, Inc. | $244 |
| AstraZeneca Pharmaceuticals LP | $144 |
| LEO Pharma Inc. | $24 |
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: 2004-05-12
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 |
|---|---|---|---|---|
| I20040512000857 | I | Allergy/Immunology | VA | 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 |
|---|---|---|---|---|
| J2357 | Injection, omalizumab, 5 mg | 5,640 | 14 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 3,310 | 121 | $0 |
| 95004 | Test for allergy using allergenic extract | 2,333 | 57 | $0 |
| 95117 | Professional service for multiple injections of allergen | 2,009 | 140 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 1,483 | 56 | $0 |
Insurance plans in this area (ZIP 22406)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | VA | 95004 | Injection of allergenic extracts into skin, accessed through the skin | 4574 | 98 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA |
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