SIOBHAN EMILY FAENZA MD
NPI 1013477900
Internal Medicine in Phoenix, AZ

Q: What is Siobhan Faenza's NPI number?

The NPI number for Siobhan Faenza is 1013477900. It was assigned to this individual provider in the NPPES registry on March 25, 2019. The provider is also known as Siobhan Emily Kibbey.

Q: What is Siobhan Faenza's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Siobhan Faenza was last updated on September 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 25, 2019PECOS EnrolledAccepts Medicare Assignment

91.22/100

CMS Quality Rating

26224 N TATUM BLVD STE 5, PHOENIX, AZ 85050(480) 882-7580 Get Directions Write a Review

NPPES record last updated: September 19, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Siobhan Emily Faenza Md NPPES

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

SIOBHAN EMILY FAENZA MD (NPI 1013477900) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (71133) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2019).

NPPES Registry Identity

NPI1013477900

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSIOBHAN EMILY FAENZACredential: MD

Location Address26224 N TATUM BLVD STE 5Phoenix, AZ 85050-7500

Mailing Address751 S Bascom AveSan Jose, CA 95128-2699 · (408) 885-5000

Phone(480) 882-7580

Sole ProprietorNo

Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2019

Enumeration DateMarch 25, 2019

Last NPPES UpdateSeptember 19, 2023

NPPES CertifiedSeptember 19, 2023

✔ NPI 1013477900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · 71133

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

26224 N TATUM BLVD STE 5, Phoenix, AZ 85050

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Other Names 1

Former Name (1)Siobhan Emily Kibbey

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

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

Siobhan Emily Faenza Md 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 ID1850770876

PECOS Enrollment IDI20231031000272

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 Siobhan Faenza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Honorhealth Medical Group, LLC

Same address

Internal Medicine

26224 N TATUM BLVD STE 5
Phoenix, AZ 85050

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

NPI 1972058923 (480) 882-7580

County Of Santa Clara

586 mi

Federally Qualified Health Center (FQHC)

7475 CAMINO ARROYO
Gilroy, CA 95020

Reassigned Medicare billing, California enrollment
2,460 clinicians in this Medicare group

NPI 1922093533 (408) 885-5000

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.

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.

167 services124 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

141 services123 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

80 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

32 services32 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

28 services25 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.

23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85050 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.22/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.45

Promoting Interoperability

100

Improvement Activities

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Charleen ***** January 27, 2026

5/5

She Always focused on me and my needs. The office staff is always kind and accommodating.

Provider 5/5 Office Staff 5/5

Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 20

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

JENNIFER SONG

Student in an Organized Health Care Education/Training Program