Doctor profile · Federal record
Dr. Mark Gentz, D.O.
Infectious Disease Physician (CMS: Infectious Disease) · Midlothian, VA
- NPI 1033153465
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
13700 St Francis Blvd, Suite 505
Midlothian, VA 231143222
(804) 601-0609
fax (804) 594-7424 - Mailing address
-
Po Box 73262
North Chesterfield, VA 232358029
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 11, 2017
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Virginia #0102201823
- Medicaid
- VA #0102201823
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033153465. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
897
Distinct HCPCS
8
Medicare allowed
$90,590
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 442 | 165 | $77 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 181 | 170 | $169 | |
11042 |
Removal of skin and tissue, 20.0 sq cm or less | 95 | 30 | $59 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 43 | $117 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 51 | 50 | $128 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 21 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 14 | $65 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 12 | $88 |
In context: peer comparison
Among 2 peers in Midlothian Infectious Disease Physician, average services per provider: 130. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$435
Transactions
11
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Paratek Pharmaceuticals, INC. | 1 | $124.06 | |
| Abbvie INC. | 1 | $120.46 | |
| Exact Sciences Corporation | 3 | $61.60 | |
| Dexcom, INC. | 2 | $42.19 | |
| Inspire Medical Systems, INC. | 1 | $31.53 | |
| Ferring Pharmaceuticals INC. | 1 | $19.83 | |
| Abbott Laboratories | 1 | $18.02 | |
| Organogenesis INC. | 1 | $17.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
700
Patients
143
Total drug cost
$599,503
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sodium Chloride (0.9 % Sodium Chloride) | Brand | 130 | 48 | $844 |
| Daptomycin | Generic | 116 | 30 | $206,551 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 75 | 22 | $8,153 |
| Ertapenem (Ertapenem Sodium) | Brand | 62 | 21 | $26,020 |
| Cefazolin Sodium | Generic | 56 | 11 | $2,777 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 54 | 0 | $223,245 |
| Doxycycline Hyclate | Generic | 36 | 11 | $1,511 |
| Cefepime Hcl | Generic | 32 | 0 | $11,689 |
| Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) | Brand | 26 | 0 | $103,625 |
| Doxycycline Monohydrate | Generic | 24 | 0 | $1,316 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Gentz's medical specialty?
Dr. Mark Gentz practices Infectious Disease Physician in Midlothian, VA.
Where does Dr. Mark Gentz practice?
Dr. Mark Gentz practices at 13700 St Francis Blvd, Midlothian, VA 231143222. Office phone: 8046010609.
What is Dr. Mark Gentz's NPI?
Dr. Mark Gentz's National Provider Identifier (NPI) is 1033153465, issued by NPPES.
Does Dr. Mark Gentz accept Medicare assignment?
Yes. Dr. Mark Gentz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gentz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Removal of skin and tissue, 20.0 sq cm or less (HCPCS 11042). Source: CMS Medicare Physician & Other Practitioners file.