Kimberly Wittmayer, APRN
NPI 1639473549 · Pediatric Clinical Nurse Specialist · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kimberly Wittmayer, APRN is a Pediatric Clinical Nurse Specialist provider in Oak Lawn, IL (NPI 1639473549).
Provider details
- NPI number
- 1639473549
- Entity type
- Individual
- Primary specialty
- Pediatric Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209008526 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-01-06
- Last updated
- 2022-03-15
- Certified
- 2022-03-15
Frequently asked questions
- What is Kimberly Wittmayer's NPI number?
- Kimberly Wittmayer's National Provider Identifier (NPI) is 1639473549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kimberly Wittmayer's specialty?
- Kimberly Wittmayer is listed in the NPPES registry with a primary specialty of Pediatric Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kimberly Wittmayer located?
- Kimberly Wittmayer's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Kimberly Wittmayer's phone number?
- The practice phone number listed in the NPPES registry for Kimberly Wittmayer is (708) 684-5619.
- Does Kimberly Wittmayer accept Medicare?
- Kimberly Wittmayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kimberly Wittmayer's NPI active?
- Yes — Kimberly Wittmayer's NPI (1639473549) is active in the NPPES registry as of the last update on 2022-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.