David Zenk, DO
Internal Medicine Physician · Des Peres, MO
David Zenk, DO is an internal medicine physician with a practice address in Des Peres, Missouri, and NPI 1194164509, issued on Jun 19, 2013. Check the license (Missouri 2013018898, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- David Zenk
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2013018898 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Des Peres RD, Des Peres, MO 63131
- Phone
- (314) 821-1313
- Enumerated
- Jun 19, 2013
- Record last updated
- Sep 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (314) 821-5670
- Medicaid ID
- 2013018898 MO
- Medicare enrollment
- Enrolled (PECOS I20160707001732); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1000 Des Peres RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Stolker, P.T.Physical Therapist1194979575
Verify David Zenk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013018898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average internal medicine physician in 2024
6,325 Medicare Part D claims for 551 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 371 claims were for opioids.
Most prescribed
- Atorvastatin Calcium567 claims
- Losartan Potassium197 claims
- Levothyroxine Sodium189 claims
- Alprazolam179 claims
- Lisinopril174 claims
- Amlodipine Besylate162 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $32.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesDes Peres, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Zenk among 2,604 internal medicine physician records in Missouri
David Zenk, DO is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 58% of them.
- NPI issued2013 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2013 · median 2006 among the 1,443 with a school on file
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Des Peres
They are 6 of the 140 NPPES records with a practice address in Des Peres, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Des Peres → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Asim Ali, MDSaint Louis, MO 631311821047218
- Paul Altsheler, MDSaint Louis, MO 631311346225372
- Richard Bligh, MDSaint Louis, MO 631311306813050
- J Corder, MDSaint Louis, MO 631311184698987
- Thomas Greco, M.D.Saint Louis, MO 631311417920927
- Zahirul Haque, MDSaint Louis, MO 631311578536546
- Joseph Hilgeman, MDDes Peres, MO 631311407820145
- Andrea Holthaus, MDSaint Louis, MO 631311528031473
Common questions
What is David Zenk, DO's NPI number?
David Zenk, DO's National Provider Identifier (NPI) is 1194164509, issued on Jun 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is David Zenk, DO located?
The NPPES record lists a practice address at 1000 Des Peres RD, Des Peres, MO, 63131. Phone: (314) 821-1313. Providers update this record themselves, so call before visiting.
How can I verify David Zenk, DO's license?
NPPES lists Missouri license number 2013018898, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Zenk, DO prescribe under Medicare Part D?
In 2024, David Zenk, DO had 6,325 Medicare Part D claims for 551 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.