Mark Gentz, D.O.
NPI 1033153465 · Infectious Disease Physician · Midlothian, VA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gentz, D.O. is a Infectious Disease Physician provider in Midlothian, VA (NPI 1033153465).
Provider details
- NPI number
- 1033153465
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0102201823 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
988 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 480 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 233 | $168 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 102 | $59 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 81 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 49 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 179 | 54 |
| Daptomycin | 114 | 28 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 92 | 29 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 76 | — |
| Doxycycline Hyclate | 70 | 16 |
| Cefazolin Sodium | 43 | — |
| Ertapenem Sodiumbrand: Ertapenem | 42 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$435 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2017-01-11
Frequently asked questions
- What is Mark Gentz's NPI number?
- Mark Gentz's National Provider Identifier (NPI) is 1033153465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gentz's specialty?
- Mark Gentz is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gentz located?
- Mark Gentz's practice location on file with NPPES is 13700 St Francis Blvd, Midlothian, VA 23114-3222.
- What is Mark Gentz's phone number?
- The practice phone number listed in the NPPES registry for Mark Gentz is (804) 601-0609.
- Does Mark Gentz accept Medicare?
- Mark Gentz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gentz's NPI active?
- Yes — Mark Gentz's NPI (1033153465) is active in the NPPES registry as of the last update on 2017-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.