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SANDRA NICOLE DINWIDDIE A-GNP
NPI 1326581547
Nurse Practitioner - Adult Health in Phoenix, AZ

Active since November 19, 2016PECOS EnrolledAccepts Medicare Assignment
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: September 30, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 30, 2020, Jun 1, 2020, Aug 16, 2018 and 2 more (5 updates tracked since 2016).

About Sandra Nicole Dinwiddie A-gnp NPPES

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

SANDRA NICOLE DINWIDDIE A-GNP (NPI 1326581547) is an individual adult health provider in Phoenix, Arizona, licensed in Arizona (AP10488) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1326581547
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameSANDRA NICOLE DINWIDDIECredential: A-GNP
Location Address20823 N CAVE CREEK RD STE 103Phoenix, AZ 85024-4469
Mailing Address3120 W Carefree Hwy Ste 1Phoenix, AZ 85086-3202 · (623) 439-5585 · Fax (623) 439-7775
Phone(623) 439-5585
Fax(623) 439-7775
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateNovember 19, 2016
Last NPPES UpdateSeptember 30, 20205 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2020
✔ NPI 1326581547 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in AZ · AP10488
Also ListedRegistered Nurse · Pain ManagementTaxonomy 163WP0000X · License AP10488 (AZ)
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP10488 (AZ)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License AP10488 (AZ)
20823 N CAVE CREEK RD STE 103, Phoenix, AZ 85024
Open in Google Maps ↗

Other Identifiers 1

MedicaidZ211463AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sandra Nicole Dinwiddie A-gnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325312044
PECOS Enrollment IDI20171121001916
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sandra Dinwiddie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sandra Dinwiddie
Same address
Nurse Practitioner
20823 N CAVE CREEK RD STE 103
Phoenix, AZ 85024
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Sandra Dinwiddie Np
  • 5 clinicians in this Medicare group
NPI 1720699788 (623) 439-5585

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
378 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
49 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85024 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RUSLAN KAZAK DC
Chiropractor
20823 N CAVE CREEK RD STE 103
PHOENIX, AZ 85024
Maricopa County (480) 442-4445
DR. IZABELA A MUSIAL MD
Family Medicine
20823 N CAVE CREEK RD STE 103
PHOENIX, AZ 85024
Maricopa County (602) 578-6442
SANDRA DINWIDDIE
Nurse Practitioner
20823 N CAVE CREEK RD STE 103
PHOENIX, AZ 85024
Maricopa County (623) 439-5585

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 1326581547. It was assigned to this individual provider in the NPPES registry on November 19, 2016.

Where is Sandra Dinwiddie located?

Sandra Dinwiddie practices 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, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Sandra Dinwiddie enrolled in Medicare?

Yes. Sandra Dinwiddie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sandra Dinwiddie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Dinwiddie reassigns Medicare benefits to Sandra Dinwiddie (Phoenix, AZ). The 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 Sandra Dinwiddie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sandra Dinwiddie was last updated on September 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.