What is Katherine Mason's NPI number?

Katherine Mason's National Provider Identifier (NPI) is 1467785428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Mason's specialty?

Katherine Mason is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Katherine Mason located?

Katherine Mason's practice location on file with NPPES is 4445 Magnolia Ave, Riverside, CA 92501-4135.

What is Katherine Mason's phone number?

The practice phone number listed in the NPPES registry for Katherine Mason is (816) 616-5746.

Is Katherine Mason's NPI active?

Yes — Katherine Mason's NPI (1467785428) is active in the NPPES registry as of the last update on 2017-02-19.

IndividualActive

Katherine Mason, ARNP

NPI 1467785428 · Family Nurse Practitioner · Riverside, CA

Katherine Mason, ARNP is a Family Nurse Practitioner provider in Riverside, CA (NPI 1467785428).

Provider details

NPI number: 1467785428
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: ARNP
Sex: Female
Sole proprietor: No
License: 23094 (CA)

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense 23094 (CA)
Physician Assistants & Advanced Practice Nursing Providers
Registered Nurse163W00000XLicense 838603 (CA)
Nursing Service Providers
Registered Nurse163W00000XLicense RN.1636152 (CO)
Nursing Service Providers
Family Nurse Practitioner363LF0000XLicense APN.0992145-NP (CO)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
16 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

4445 Magnolia Ave

Riverside, CA 92501-4135

Phone: (816) 616-5746

Fax: (844) 233-0782

Street-level locationGet directions

More CA providers

Mailing address

Po Box 1653

Riverside, CA 92502-1653

Enumerated: 2009-09-09
Last updated: 2017-02-19

Frequently asked questions

What is Katherine Mason's NPI number?: Katherine Mason's National Provider Identifier (NPI) is 1467785428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Katherine Mason's specialty?: Katherine Mason is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Katherine Mason located?: Katherine Mason's practice location on file with NPPES is 4445 Magnolia Ave, Riverside, CA 92501-4135.
What is Katherine Mason's phone number?: The practice phone number listed in the NPPES registry for Katherine Mason is (816) 616-5746.
Is Katherine Mason's NPI active?: Yes — Katherine Mason's NPI (1467785428) is active in the NPPES registry as of the last update on 2017-02-19.

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