DR. KARNAIL SINGH (MD) – Internal Medicine Physician, NPI 1871593202
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,930 INTERNAL MEDICINE in VA
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Provider Addresses for DR. KARNAIL SINGH (MD)
19415, Deerfield Avenue, Lansdowne Woods of Virginia, Leesburg, Loudoun County, Virginia, 20176, United States
SUITE 115
LANSDOWNE, VA 201768452
Phone: (703) 729-2626
Fax: (703) 729-3141
Type: Location
44045 Riverside Pkwy
Leesburg, VA 201765101
Phone: (703) 858-6000
Fax: (703) 858-6900
Type: Location
19415 DEERFIELD AVE STE 115
LANSDOWNE, VA 201768470
Phone: (703) 729-2626
Fax: (703) 729-3141
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $318.
Total Amount is formed as General ($318) + Research ($0) + Ownership ($0) = $318.
Last reported payment date: 2024-09-04 • Largest payer in this snapshot: ABBVIE INC. ($235).
Total Amount
$318
General + Research + Ownership
Payments
7
Total payment records
General Amount
$318
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $235 |
| Novo Nordisk Inc | $35 |
| Abbott Laboratories | $26 |
| AstraZeneca Pharmaceuticals LP | $21 |
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: 2010-11-23
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 |
|---|---|---|---|---|
| I20101123000295 | I | Hospitalist | 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 | 114 | 35 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 57 | 22 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 41 | 27 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 38 | 20 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 29 | 27 | $0 |
Insurance plans in this area (ZIP 20176)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | VA |
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