SANDRA DINWIDDIE
NPI 1720699788
Nurse Practitioner in Phoenix, AZ

Q: What is Sandra Dinwiddie's NPI number?

The NPI number for Sandra Dinwiddie is 1720699788. It was assigned to this organization in the NPPES registry on August 13, 2020. The provider is doing business as NP Practice.

Q: What is Sandra Dinwiddie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Sandra Dinwiddie was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 13, 2020

20823 N CAVE CREEK RD STE 103, PHOENIX, AZ 85024(623) 439-5585(623) 439-7775 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 1, 2026, May 29, 2026, Oct 9, 2020 and 4 more (7 updates tracked since 2020).

On this page

About Sandra Dinwiddie NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SANDRA DINWIDDIE (NPI 1720699788), doing business as Np Practice, is a healthcare organization registered as a nurse practitioner in Phoenix, Arizona and active in the NPI registry since August 2020. The organization maintains 2 additional practice locations and lists Sandra Nicole Dinwiddie, Owner, as its authorized official.

NPPES Registry Identity

NPI1720699788

Entity TypeOrganization

Primary Taxonomy363L00000X

Legal Business NameSANDRA DINWIDDIE

Location Address20823 N CAVE CREEK RD STE 103Phoenix, AZ 85024-4469

Mailing Address20823 N Cave Creek Rd Ste 103Phoenix, AZ 85024-4469 · (623) 439-5585

Phone(623) 439-5585

Fax(623) 439-7775

Organization SubpartNo

Authorized OfficialSandra Nicole DinwiddieOwner · (623) 439-5585

Enumeration DateAugust 13, 2020

Last NPPES UpdateJune 1, 20267 updates tracked since enumeration

NPPES CertifiedJune 1, 2026

✔ NPI 1720699788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedRegistered Nurse · Pain ManagementTaxonomy 163WP0000X

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X

Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X

20823 N CAVE CREEK RD STE 103, Phoenix, AZ 85024

Open in Google Maps ↗

Other Names 1

Doing Business AsNp Practice

Secondary Practice Locations 2

Location 13120 W Carefree Hwy Ste 1Phoenix, AZ 85086-3202 · Phone (623) 439-5585 ext. 0

Location 217570 N 75th Ave Ste 142Glendale, AZ 85308-5999 · Phone (623) 439-5585

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sandra Dinwiddie is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Sandra Dinwiddie, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Sandra Dinwiddie, A-GNP

Nurse Practitioner

NPI 1326581547

20823 N CAVE CREEK RD STE 103
Phoenix, AZ 85024

(623) 439-5585

✔ PECOS✔ Accepts MedicareSame address

Shirlee Artis, FNP-C

Nurse Practitioner

NPI 1760264436

5048 W NORTHERN AVE STE 106
Glendale, AZ 85301

(623) 435-0190

✔ PECOS✔ Accepts Medicare12 mi

Brenda Baker, NP-C

Nurse Practitioner

NPI 1376997130

500 W THOMAS RD STE 100
Phoenix, AZ 85013

(602) 406-1510

✔ PECOS✔ Accepts Medicare14 mi

Jamira Edwards

Nurse Practitioner

NPI 1700334711

2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617

(251) 471-7000

✔ PECOS✔ Accepts Medicare1,414 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sandra Dinwiddie's NPI number?

The NPI number for Sandra Dinwiddie is 1720699788. It was assigned to this organization in the NPPES registry on August 13, 2020. The provider is doing business as NP Practice.

Where is Sandra Dinwiddie located?

Sandra Dinwiddie is located at 20823 N Cave Creek Rd Ste 103, Phoenix, AZ 85024. The listed phone number is (623) 439-5585.

What is Sandra Dinwiddie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Sandra Dinwiddie enrolled in Medicare?

Yes. Sandra Dinwiddie is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sandra Dinwiddie?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Sandra Dinwiddie. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sandra Dinwiddie was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.