Karen Diehl, CPNP
NPI 1124126164 · Pediatric Nurse Practitioner · Saint Louis, MO
Karen Diehl, CPNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1124126164).
Provider details
- NPI number
- 1124126164
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 068348 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-21
- Last updated
- 2011-05-12
Frequently asked questions
- What is Karen Diehl's NPI number?
- Karen Diehl's National Provider Identifier (NPI) is 1124126164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Diehl's specialty?
- Karen Diehl is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Diehl located?
- Karen Diehl's practice location on file with NPPES is 13303 Tesson Ferry Rd, Saint Louis, MO 63128-4062.
- What is Karen Diehl's phone number?
- The practice phone number listed in the NPPES registry for Karen Diehl is (314) 842-5239.
- Is Karen Diehl's NPI active?
- Yes — Karen Diehl's NPI (1124126164) is active in the NPPES registry as of the last update on 2011-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.