MARK A GENTZ (D.O.) – Infectious Disease Physician, NPI 1033153465
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
250 INFECTIOUS DISEASE in VA
Provider Addresses for MARK A GENTZ (D.O.)
PO BOX 73262
NORTH CHESTERFIELD, VA 232358029
Phone: (804) 601-0609
Fax: (804) 594-7424
Type: Mailing
13700 ST FRANCIS BLVD
SUITE 505
MIDLOTHIAN, VA 231143222
Phone: (804) 601-0609
Fax: (804) 594-7424
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 35 Open Payments records for all available years, with a total value of $945.
Total Amount is formed as General ($945) + Research ($0) + Ownership ($0) = $945.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Paratek Pharmaceuticals, Inc. ($216).
Total Amount
$945
General + Research + Ownership
Payments
35
Total payment records
General Amount
$945
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 |
|---|---|
| Paratek Pharmaceuticals, Inc. | $216 |
| ABBVIE INC. | $167 |
| Janssen Biotech, Inc. | $164 |
| Exact Sciences Corporation | $62 |
| Merck Sharp & Dohme LLC | $56 |
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: 2006-06-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-08-31 (1014 days ago).
Enrollment records
1
Earliest due date
2023-08-31
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 |
|---|---|---|---|---|
| I20060626000158 | I | Infectious Disease | VA | 2023-08-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 442 | 165 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 181 | 170 | $0 |
| 11042 | Removal of skin and tissue, 20.0 sq cm or less | 95 | 30 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 43 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 51 | 50 | $0 |
Insurance plans in this area (ZIP 23235)
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Group practice members
- 1
- 2
- 3
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| Internal Medicine | VA | |
| Nurse Practitioner | VA | |
| - | VA | |
| Family Practice | VA | |
| Physician Assistant | VA | |
| - | VA | |
| - | VA | |
| Family Practice | VA | |
| - | VA |
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