Ken Schaffer, APN
NPI 1598203523 · Acute Care Nurse Practitioner · Park Ridge, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ken Schaffer, APN is a Acute Care Nurse Practitioner provider in Park Ridge, IL (NPI 1598203523).
Provider details
- NPI number
- 1598203523
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209015091 (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
9 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
- 2017-02-10
- Last updated
- 2022-05-02
- Certified
- 2022-05-02
Frequently asked questions
- What is Ken Schaffer's NPI number?
- Ken Schaffer's National Provider Identifier (NPI) is 1598203523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Schaffer's specialty?
- Ken Schaffer is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ken Schaffer located?
- Ken Schaffer's practice location on file with NPPES is 1775 Dempster St, Park Ridge, IL 60068-1143.
- What is Ken Schaffer's phone number?
- The practice phone number listed in the NPPES registry for Ken Schaffer is (847) 723-2210.
- Does Ken Schaffer accept Medicare?
- Ken Schaffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ken Schaffer's NPI active?
- Yes — Ken Schaffer's NPI (1598203523) is active in the NPPES registry as of the last update on 2022-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.