What is Abby Mason's NPI number?

Abby Mason's National Provider Identifier (NPI) is 1285503292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Abby Mason's specialty?

Abby Mason is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Abby Mason located?

Abby Mason's practice location on file with NPPES is 1653 W Congress Pkwy, Chicago, IL 60612-3833.

What is Abby Mason's phone number?

The practice phone number listed in the NPPES registry for Abby Mason is (312) 942-5000.

Is Abby Mason's NPI active?

Yes — Abby Mason's NPI (1285503292) is active in the NPPES registry as of the last update on 2025-10-30.

IndividualActive

Abby Mason, RN, BSN

NPI 1285503292 · Registered Nurse · Chicago, IL

Abby Mason, RN, BSN is a Registered Nurse provider in Chicago, IL (NPI 1285503292).

Provider details

NPI number: 1285503292
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN, BSN
Sex: Female
Sole proprietor: No
License: 041528291 (IL)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 041528291 (IL)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1653 W Congress Pkwy

Chicago, IL 60612-3833

Phone: (312) 942-5000

Approximate (ZIP-level) locationGet directions

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Mailing address