MARK FORD SULLIVAN (M.D.) – Internal Medicine Physician, NPI 1346669660
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18,052 INTERNAL MEDICINE in NY
Provider Addresses for MARK FORD SULLIVAN (M.D.)
2445 ARMY NAVY DR STE 400
ARLINGTON, VA 222062988
Phone: (703) 379-8879
Fax: (703) 998-6821
Type: Mailing
HSC T16-020
Stony Brook, NY 117948160
Phone: (631) 444-8478
Fax: (631) 444-7546
Type: Location
6128 BRANDON AVE STE 201
SPRINGFIELD, VA 221502693
Phone: (571) 359-4000
Fax: (703) 621-3793
Type: Mailing
Dept Of Medicine
HSC Level 16, SUNY Stony Brook
Stony Brook, NY 117947097
Phone: (631) 444-7411
Fax: (631) 444-2493
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 95 Open Payments records for all available years, with a total value of $2,005.
Total Amount is formed as General ($2,005) + Research ($0) + Ownership ($0) = $2,005.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: PFIZER INC. ($359).
Total Amount
$2,005
General + Research + Ownership
Payments
95
Total payment records
General Amount
$2,005
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $359 |
| Novo Nordisk Inc | $298 |
| Lilly USA, LLC | $293 |
| ABBVIE INC. | $171 |
| Bayer Healthcare Pharmaceuticals Inc. | $158 |
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: 2020-02-06
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 |
|---|---|---|---|---|
| I20200206000882 | I | Internal Medicine | DC | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 377 | 169 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 206 | 136 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 190 | 31 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 151 | 129 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 143 | 122 | $0 |
Insurance plans in this area (ZIP 22206)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| Internal Medicine, Pediatric Medicine | VA | |
| Family Practice | VA | |
| Internal Medicine | VA | |
| N E P H R O L O G Y | VA | |
| Internal Medicine, Family Practice | VA | |
| Internal Medicine | VA | |
| Family Practice | VA | |
| Family Practice | VA |
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