What is Grace Knowles's NPI number?

Grace Knowles's National Provider Identifier (NPI) is 1801275144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Grace Knowles's specialty?

Grace Knowles is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Grace Knowles located?

Grace Knowles's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.

What is Grace Knowles's phone number?

The practice phone number listed in the NPPES registry for Grace Knowles is (800) 543-7362.

Is Grace Knowles's NPI active?

Yes — Grace Knowles's NPI (1801275144) is active in the NPPES registry as of the last update on 2019-02-20.

IndividualActive

Grace Knowles, CPNP

NPI 1801275144 · Pediatric Nurse Practitioner · Chicago, IL

Grace Knowles, CPNP is a Pediatric Nurse Practitioner provider in Chicago, IL (NPI 1801275144).

Provider details

NPI number: 1801275144
Entity type: Individual
Primary specialty: Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: CPNP
Sex: Female
Sole proprietor: No
License: C145682 (IA)

Specialties & taxonomies

Pediatric Nurse PractitionerPrimary363LP0200XLicense 209.18828 (IL)
Physician Assistants & Advanced Practice Nursing Providers
Pediatric Hospice and Palliative Medicine Physician2080H0002XLicense C145682 (IA)
Allopathic & Osteopathic Physicians
Pediatric Nurse Practitioner363LP0200XLicense CNP-02374 (NM)
Physician Assistants & Advanced Practice Nursing Providers
Pediatric Nurse Practitioner363LP0200XLicense C145682 (IA)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
11 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

225 E Chicago Ave

Chicago, IL 60611-2991

Phone: (800) 543-7362

Street-level locationGet directions

More IL providers

Mailing address

1507 Oak Lake Park Rd

Coralville, IA 52241-1094

Additional practice locations (1)

200 Hawkins Dr
Department of Pediatric Pallative Care
Iowa City, IA 52242-1009
Phone: (319) 546-4107

Enumerated: 2015-05-19
Last updated: 2019-02-20

Frequently asked questions

What is Grace Knowles's NPI number?: Grace Knowles's National Provider Identifier (NPI) is 1801275144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Grace Knowles's specialty?: Grace Knowles is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Grace Knowles located?: Grace Knowles's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
What is Grace Knowles's phone number?: The practice phone number listed in the NPPES registry for Grace Knowles is (800) 543-7362.
Is Grace Knowles's NPI active?: Yes — Grace Knowles's NPI (1801275144) is active in the NPPES registry as of the last update on 2019-02-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.