David Vielhauer, NP
NPI 1831507789 · Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Vielhauer, NP is a Nurse Practitioner provider in Phoenix, AZ (NPI 1831507789).
Provider details
- NPI number
- 1831507789
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- AP5444 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
478 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 130 | $9 |
| Evaluation of Lower Heart Chamber Assist Device93750 | 109 | $32 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 78 | $97 |
| Evaluation of Lower Heart Chamber Assist Device93750 | 74 | $41 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $146 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 15 | $93 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Warfarin Sodium | 47 | 17 |
| Pantoprazole Sodium | 38 | 17 |
| Torsemide | 27 | — |
| Amlodipine Besylate | 26 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 23 | — |
| Spironolactone | 23 | — |
| Amiodarone Hcl | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 1 record (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
- 2014-07-23
- Last updated
- 2020-09-08
- Certified
- 2020-09-08
Frequently asked questions
- What is David Vielhauer's NPI number?
- David Vielhauer's National Provider Identifier (NPI) is 1831507789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Vielhauer's specialty?
- David Vielhauer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Vielhauer located?
- David Vielhauer's practice location on file with NPPES is 5777 E Mayo Blvd, Phoenix, AZ 85054.
- What is David Vielhauer's phone number?
- The practice phone number listed in the NPPES registry for David Vielhauer is (913) 683-5327.
- Does David Vielhauer accept Medicare?
- David Vielhauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Vielhauer's NPI active?
- Yes — David Vielhauer's NPI (1831507789) is active in the NPPES registry as of the last update on 2020-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.