Margaret Knox, CRNA
NPI 1396915070 · Certified Registered Nurse Anesthetist · Springfield, IL
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Knox, CRNA is a Certified Registered Nurse Anesthetist provider in Springfield, IL (NPI 1396915070).
Provider details
- NPI number
- 1396915070
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 209006991 (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 tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 701 N 1st St6c Cardiac AnesthesiaSpringfield, IL 62781-0002Phone: (217) 788-4200
Registry dates
- Enumerated
- 2008-03-10
- Last updated
- 2020-05-21
- Certified
- 2020-05-21
Frequently asked questions
- What is Margaret Knox's NPI number?
- Margaret Knox's National Provider Identifier (NPI) is 1396915070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Knox's specialty?
- Margaret Knox is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Knox located?
- Margaret Knox's practice location on file with NPPES is 1025 S 6th St, Springfield, IL 62703.
- What is Margaret Knox's phone number?
- The practice phone number listed in the NPPES registry for Margaret Knox is (217) 528-7541.
- Does Margaret Knox accept Medicare?
- Margaret Knox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Knox's NPI active?
- Yes — Margaret Knox's NPI (1396915070) is active in the NPPES registry as of the last update on 2020-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.