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DR. JOSEPH P MAZZEI DO
NPI 1548276991
Emergency Medicine in Chandler, AZ

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
4322 S GARDENIA DR, CHANDLER, AZ 85248(312) 608-4086 Get Directions Write a Review

NPPES record last updated: October 5, 2021. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Oct 5, 2021, Aug 6, 2020, Jun 25, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Joseph P Mazzei Do NPPES

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

DR. JOSEPH P MAZZEI DO (NPI 1548276991) is an individual emergency medicine provider in Chandler, Arizona, licensed in Arizona (007596) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1999).

NPPES Registry Identity

NPI1548276991
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOSEPH P MAZZEICredential: DO
Location Address4322 S GARDENIA DRChandler, AZ 85248-0089
Mailing Address4322 S Gardenia DrChandler, AZ 85248-0089 · (312) 608-4086
Phone(312) 608-4086
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 1999
Enumeration DateJuly 31, 2006
Last NPPES UpdateOctober 5, 20214 updates tracked since enumeration
NPPES CertifiedOctober 5, 2021
✔ NPI 1548276991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in AZ · 007596✔ Licensed in IL · 036106115
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4322 S GARDENIA DR, Chandler, AZ 85248
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Other Identifiers 4

Medicaid036106115 8IL
Medicaid1548276991WI
OtherP00466577-CD3624IL · Rr Medicare
OtherMAZZEJOEWI · Mercycare Insurance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Medica, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph P Mazzei Do 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 ID8022917145
PECOS Enrollment IDI20250102002105
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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
108 services107 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
70 services62 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
64 services62 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
45 services43 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi St Alexius Health

Acute Care Hospitals · Bismarck, ND
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number350002
Location900 E BroadwayBismarck, ND 58501 · Burleigh County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85248 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers17 claims17 services$14.80 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers16 claims16 services$67.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

JOSEPH MAZZEI PLLC
Clinic/Center
4322 S GARDENIA DR
CHANDLER, AZ 85248
Maricopa County (312) 608-4086
JOSEPH MAZZEI INTEGRATIVE MEDICINE PLLC
Clinic/Center
4322 S GARDENIA DR
CHANDLER, AZ 85248
Maricopa County (312) 608-4086

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 Joseph Mazzei's NPI number?

The NPI number for Joseph Mazzei is 1548276991. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Joseph Mazzei located?

Joseph Mazzei practices at 4322 S Gardenia Dr, Chandler, AZ 85248. The listed phone number is (312) 608-4086.

What is Joseph Mazzei's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Joseph Mazzei enrolled in Medicare?

Yes. Joseph Mazzei 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.

What insurance does Joseph Mazzei accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica, Oscar Insurance Company and Sanford Health Plan list Joseph Mazzei as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph Mazzei affiliated with any hospitals?

According to CMS data, Joseph Mazzei is affiliated with Chi St Alexius Health.

When was this NPI record last updated?

The NPPES record for Joseph Mazzei was last updated on October 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.