VAISHNAVI CHALLAPALLI SRI (M.D) – Sleep Medicine (Internal Medicine) Physician, NPI 1366799785
Sleep Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,934 INTERNAL MEDICINE in VA
Provider Addresses for VAISHNAVI CHALLAPALLI SRI (M.D)
PO BOX 7068
PORTSMOUTH, VA 237070068
Phone: (757) 686-3508
Fax: (757) 686-0541
Type: Mailing
2000 MEADE PKWY
STE 100
SUFFOLK, VA 234344259
Phone: (757) 934-9395
Fax: (757) 934-9488
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 56 Open Payments records for all available years, with a total value of $1,217.
Total Amount is formed as General ($1,217) + Research ($0) + Ownership ($0) = $1,217.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: HARMONY BIOSCIENCES LLC ($223).
Total Amount
$1,217
General + Research + Ownership
Payments
56
Total payment records
General Amount
$1,217
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| HARMONY BIOSCIENCES LLC | $223 |
| Axsome Therapeutics, Inc. | $163 |
| JAZZ PHARMACEUTICALS INC. | $160 |
| Baxter Healthcare | $71 |
| Merck Sharp & Dohme LLC | $71 |
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: 2016-10-28
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 |
|---|---|---|---|---|
| I20161028000582 | I | Sleep Medicine | 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 | 402 | 322 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 111 | 111 | $0 |
| G0399 | Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 35 | 35 | $0 |
| 95811 | Sleep study in sleep lab with continuous airway pressure (6 years or older) | 24 | 23 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 22 | 21 | $0 |
Insurance plans in this area (ZIP 23707)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | VA | |
| Internal Medicine | VA | |
| - | VA | |
| Internal Medicine | VA | |
| - | NE | |
| - | VA | |
| Endocrinology, Internal Medicine | VA | |
| Hospitalist, Family Practice | VA | |
| - | VA | |
| - | VA |
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