DAVID A CALHOUN (MD) – Sleep Medicine (Internal Medicine) Physician, NPI 1164468229
Sleep Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
109 SLEEP MEDICINE in VA
Provider Addresses for DAVID A CALHOUN (MD)
500 MARTHA JEFFERSON DR FL 5
CHARLOTTESVILLE, VA 229114668
Phone: (434) 654-5260
Fax: (844) 340-9731
Type: Location
Cadbury, Bournville, Stirchley, Birmingham, West Midlands, England, B30 2LU, United Kingdom
BIRMINGHAM, AL 352555310
Phone: (205) 731-9701
Type: Mailing
19th Street South, Phelan Park Historic District, Five Points South, Birmingham, Jefferson County, Alabama, 35233, United States
BIRMINGHAM, AL 352491900
Phone: (205) 934-6600
Type: Location
PO BOX 79777
BALTIMORE, MD 212790777
Phone: (434) 654-7794
Fax: (844) 340-9731
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2020-01-28
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 |
|---|---|---|---|---|
| I20200128002804 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 189 | 171 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 174 | 140 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 34 | 34 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 28 | 28 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 26 | 23 | $0 |
Insurance plans in this area (ZIP 22911)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | MD | |
| Nurse Practitioner | VA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VA | |
| Vascular Surgery, General Surgery | VA | |
| - | MD | |
| - | VA | |
| N E U R O S U R G E R Y | MD | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | MD | |
| - | MD |
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