Mark Nentwig, PA
NPI 1134758964 · Physician Assistant · Dallas, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Nentwig, PA is a Physician Assistant provider in Dallas, TX (NPI 1134758964).
Provider details
- NPI number
- 1134758964
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
616 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 168 | $76 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 101 | $94 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 69 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 59 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $108 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 64 | 62 |
| Doxycycline Hyclate | 50 | 50 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 31 |
| Cephalexin | 31 | 31 |
| Doxycycline Monohydrate | 25 | 25 |
| Amoxicillin | 18 | 18 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 17 | 17 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2024-08-19
- Certified
- 2024-08-19
Frequently asked questions
- What is Mark Nentwig's NPI number?
- Mark Nentwig's National Provider Identifier (NPI) is 1134758964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Nentwig's specialty?
- Mark Nentwig is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Nentwig located?
- Mark Nentwig's practice location on file with NPPES is 6411 E Northwest Hwy Ste 120, Dallas, TX 75231-8007.
- What is Mark Nentwig's phone number?
- The practice phone number listed in the NPPES registry for Mark Nentwig is (469) 495-9110.
- Does Mark Nentwig accept Medicare?
- Mark Nentwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Nentwig's NPI active?
- Yes — Mark Nentwig's NPI (1134758964) is active in the NPPES registry as of the last update on 2024-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.