Margaret Johnson, APN
NPI 1992055487 · Advanced Practice Midwife · Chicago, IL
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Johnson, APN is a Advanced Practice Midwife provider in Chicago, IL (NPI 1992055487).
Provider details
- NPI number
- 1992055487
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209009745 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
13 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
- 2012-09-12
- Last updated
- 2016-06-29
Frequently asked questions
- What is Margaret Johnson's NPI number?
- Margaret Johnson's National Provider Identifier (NPI) is 1992055487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Johnson's specialty?
- Margaret Johnson is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Johnson located?
- Margaret Johnson's practice location on file with NPPES is 3860 W. Ogden Ave, Chicago, IL 60623.
- What is Margaret Johnson's phone number?
- The practice phone number listed in the NPPES registry for Margaret Johnson is (872) 588-3000.
- Does Margaret Johnson accept Medicare?
- Margaret Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Johnson's NPI active?
- Yes — Margaret Johnson's NPI (1992055487) is active in the NPPES registry as of the last update on 2016-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.