MR. JOHN DAVID SPARGO (MSN; FNP-BC) – Family Nurse Practitioner, NPI 1114317286
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,307 NURSE PRACTITIONER in VA
Provider Addresses for MR. JOHN DAVID SPARGO (MSN; FNP-BC)
6288B ARLINGTON BLVD
FALLS CHURCH, VA 220442801
Phone: (703) 229-0660
Type: Mailing
334 Elden St
Herndon, VA 201704818
Phone: (571) 665-4000
Type: Location
1700 17th St NW Ste A
Washington, DC 200092498
Phone: (202) 483-4400
Fax: (540) 338-1975
Type: Location
44050 Ashburn Shopping Plz Ste 179
Ashburn, VA 201477916
Phone: (703) 726-9401
Fax: (540) 338-1975
Type: Location
PO BOX 791775
BALTIMORE, MD 212791775
Phone: (571) 302-5000
Fax: (571) 302-5001
Type: Mailing
4600 CHERRY HILL RD STE C
ARLINGTON, VA 222073419
Phone: (571) 977-5274
Fax: (571) 997-5275
Type: Location
6288 ARLINGTON BLVD
FALLS CHURCH, VA 22044
Phone: (703) 229-0660
Fax: (540) 338-1975
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $272.
Total Amount is formed as General ($272) + Research ($0) + Ownership ($0) = $272.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: Gilead Sciences, Inc. ($131).
Total Amount
$272
General + Research + Ownership
Payments
11
Total payment records
General Amount
$272
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $131 |
| ViiV Healthcare Company | $114 |
| Inspire Medical Systems, Inc. | $28 |
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: 2015-11-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20151020002559 | I | Nurse Practitioner | DC | TBD |
| I20151116001147 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 49 | 34 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 27 | 17 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $0 |
Insurance plans in this area (ZIP 22044)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | DC | |
| Internal Medicine, General Practice | VA | |
| Physician Assistant | MD | |
| Physician Assistant | VA | |
| Physician Assistant | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Physician Assistant | VA | |
| Nurse Practitioner | VA |
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