CHRISTINA SUMMERS FNP-C
NPI 1821319872
Nurse Practitioner - Family in Phoenix, AZ

Q: What is Christina Summers's NPI number?

The NPI number for Christina Summers is 1821319872. It was assigned to this individual provider in the NPPES registry on June 14, 2010.

Q: What is Christina Summers's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Christina Summers was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 June 14, 2010PECOS Enrolled

8913 N 19TH AVE, PHOENIX, AZ 85021(602) 858-4361(480) 906-2176 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2025, Mar 7, 2019 (2 updates tracked since 2019).

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About Christina Summers Fnp-c NPPES

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

CHRISTINA SUMMERS FNP-C (NPI 1821319872) is an individual family provider in Phoenix, Arizona, licensed in Arizona (AP3921) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Scottsdale.

NPPES Registry Identity

NPI1821319872

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCHRISTINA SUMMERSCredential: FNP-C

Location Address8913 N 19TH AVEPhoenix, AZ 85021-4206

Mailing Address102 Woodmont Blvd Ste 600Nashville, TN 37205-5250 · (615) 706-8357

Phone(602) 858-4361

Fax(480) 906-2176

Sole ProprietorNo

Enumeration DateJune 14, 2010

Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration

NPPES CertifiedAugust 11, 2025

✔ NPI 1821319872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in AZ · AP3921

8913 N 19TH AVE, Phoenix, AZ 85021

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Secondary Practice Location 1

Location 110117 N 92nd St Ste 101Scottsdale, AZ 85258-4555 · Phone (480) 614-5808 · Fax (480) 614-5809

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christina Summers Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Christina Summers reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ch Specialty Services Az LLC

15 mi

Internal Medicine

13755 N LITCHFIELD RD STE 105
Surprise, AZ 85379

Reassigned Medicare billing, Arizona enrollment
60 clinicians in this Medicare group

NPI 1982303392 (337) 408-0797

Curana Health Of Arizona

15 mi

Internal Medicine

13755 N LITCHFIELD RD, SUITE 105
Surprise, AZ 85379

Reassigned Medicare billing, Arizona enrollment
68 clinicians in this Medicare group

NPI 1467187237 (337) 408-0797

Archwell Health Professional Services Of Arizona, LLC

23 mi

Internal Medicine

4315 E MAIN ST
Mesa, AZ 85205

Reassigned Medicare billing, Arizona enrollment
110 clinicians in this Medicare group

NPI 1558026880 (480) 870-7500

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 9

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.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

171 services79 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

49 services31 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

46 services46 patients

Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 99345

A new patient home visit is a comprehensive 75-minute appointment conducted at your home. The healthcare professional will assess your health, discuss any concerns, and create a personalized care plan. It's convenient, comfortable, and tailored to your specific needs.

33 services33 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

27 services27 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85021 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 5

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

PARWIN SHETAB SADAAT MD

Family Medicine