Karl Wallenkampf, MD
NPI 1972171189 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Wallenkampf, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1972171189).
Provider details
- NPI number
- 1972171189
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2024015123 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-14
- Last updated
- 2025-04-17
- Certified
- 2025-03-24
Frequently asked questions
- What is Karl Wallenkampf's NPI number?
- Karl Wallenkampf's National Provider Identifier (NPI) is 1972171189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Wallenkampf's specialty?
- Karl Wallenkampf is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Wallenkampf located?
- Karl Wallenkampf's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Karl Wallenkampf's phone number?
- The practice phone number listed in the NPPES registry for Karl Wallenkampf is (314) 747-3000.
- Does Karl Wallenkampf accept Medicare?
- Karl Wallenkampf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Wallenkampf's NPI active?
- Yes — Karl Wallenkampf's NPI (1972171189) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.