DR. DARREN S BARONI (MD) – Gastroenterology Physician, NPI 1154377497
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
540 GASTROENTEROLOGY in VA
Provider Addresses for DR. DARREN S BARONI (MD)
7915 Lake Manassas Dr Ste 302
Gainesville, VA 201553260
Phone: (571) 248-0653
Type: Location
24430 Stone Springs Blvd Ste 250
Dulles, VA 201662268
Phone: (571) 248-0653
Type: Location
170 W Shirley Ave Ste 205
Warrenton, VA 201863083
Phone: (540) 347-2470
Type: Location
ONE GI CREDENTIALING DEPARTMENT
PO BOX 381468
GERMANTOWN, TN 381831468
Phone:
Type: Mailing
Sudley Road, Manassas, Manassas (city), Virginia, 20110, United States
MANASSAS, VA 201104404
Phone: (703) 368-6819
Fax: (703) 330-2923
Type: Location
PO BOX 381468
GERMANTOWN, TN 381831468
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 82 Open Payments records for all available years, with a total value of $1,951.
Total Amount is formed as General ($1,951) + Research ($0) + Ownership ($0) = $1,951.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Celgene Corporation ($389).
Total Amount
$1,951
General + Research + Ownership
Payments
82
Total payment records
General Amount
$1,951
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Celgene Corporation | $389 |
| ABBVIE INC. | $351 |
| Janssen Biotech, Inc. | $265 |
| E.R. Squibb & Sons, L.L.C. | $228 |
| Regeneron Healthcare Solutions, Inc. | $169 |
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: 2006-09-08
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 |
|---|---|---|---|---|
| I20060908000369 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 108 | 13 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 99 | 87 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 82 | 13 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 72 | 70 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 63 | 63 | $0 |
Insurance plans in this area (ZIP 20155)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TN | |
| Gastroenterology, Internal Medicine | TN | |
| P A T H O L O G Y | TN | |
| Physician Assistant | TN | |
| Physician Assistant | TN | |
| G A S T R O E N T E R O L O G Y | VA | |
| Certified Registered Nurse Anesthetist (Crna) | MD | |
| Gastroenterology, Internal Medicine | VA | |
| G A S T R O E N T E R O L O G Y | VA | |
| Physician Assistant | VA |
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