JOHN QA MATTERN (DO) – Hospitalist Physician, NPI 1164495354
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,930 INTERNAL MEDICINE in VA
Provider Addresses for JOHN QA MATTERN (DO)
500 Martha Jefferson Dr
Charlottesville, VA 229114668
Phone: (434) 654-7580
Fax: (434) 654-7582
Type: Location
Augusta Health, 78, Medical Center Drive, Fishersville, Augusta County, Virginia, 22939-2332, United States
FISHERSVILLE, VA 229392332
Phone: (540) 932-4075
Fax: (540) 932-5199
Type: Location
PO BOX 388
FISHERSVILLE, VA 229390388
Phone: (540) 932-4629
Fax: (540) 932-5875
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: 2004-11-09
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 |
|---|---|---|---|---|
| I20041109000354 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 107 | 61 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 99 | 98 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 96 | 96 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 75 | 52 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 22 | 17 | $0 |
Insurance plans in this area (ZIP 22911)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | VA | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | VA | |
| Nurse Practitioner | VA | |
| Family Practice | VA | |
| Endocrinology, Internal Medicine | VA | |
| Gastroenterology, Internal Medicine | VA | |
| H O S P I T A L I S T | NC | |
| Physician Assistant | VA | |
| - | VA | |
| A N E S T H E S I O L O G Y | NE |
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