David Zenk, DO
NPI 1194164509 · Internal Medicine Physician · Des Peres, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Zenk, DO is a Internal Medicine Physician provider in Des Peres, MO (NPI 1194164509).
Provider details
- NPI number
- 1194164509
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2013018898 (MO)
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
13 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
937 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 414 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 202 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 159 | $16 |
| Administration of Influenza Virus VaccineG0008 | 80 | $31 |
| Admn Sarscov2 Vacc 1 Dose90480 | 37 | $42 |
| Transitional Care Management Services for Problem of High Complexity99496 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 567 | 160 |
| Losartan Potassium | 197 | 54 |
| Levothyroxine Sodium | 189 | 54 |
| Alprazolam | 179 | 56 |
| Lisinopril | 174 | 55 |
| Amlodipine Besylate | 162 | 51 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 2 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
- 2013-06-19
- Last updated
- 2016-09-13
Frequently asked questions
- What is David Zenk's NPI number?
- David Zenk's National Provider Identifier (NPI) is 1194164509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Zenk's specialty?
- David Zenk is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Zenk located?
- David Zenk's practice location on file with NPPES is 1000 Des Peres Rd, Des Peres, MO 63131-2050.
- What is David Zenk's phone number?
- The practice phone number listed in the NPPES registry for David Zenk is (314) 821-1313.
- Does David Zenk accept Medicare?
- David Zenk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Zenk's NPI active?
- Yes — David Zenk's NPI (1194164509) is active in the NPPES registry as of the last update on 2016-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.