MRS. MARY SZCZUREK BUNS MD
NPI 1447742960
Emergency Medicine in Phoenix, AZ

Active since May 31, 2018PECOS EnrolledAccepts Medicare Assignment
97.75/100
CMS Quality Rating
4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200(602) 263-1619 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 7, 2026, Nov 15, 2024, Jun 1, 2021 (3 updates tracked since 2021).

About Mrs. Mary Szczurek Buns Md NPPES

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

MRS. MARY SZCZUREK BUNS MD (NPI 1447742960) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Arizona (62784) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Chicago College Of Medicine And Surgery (2018).

NPPES Registry Identity

NPI1447742960
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMRS. MARY SZCZUREK BUNSCredential: MD
Location Address4212 N 16TH STPhoenix, AZ 85016-5319
Mailing AddressPo Box 95460Cleveland, OH 44101-0033 · (602) 581-6076 · Fax (602) 263-1619
Fax(602) 263-1619
Sole ProprietorYes
Medical School CMSChicago College Of Medicine And SurgeryGraduated 2018
Enumeration DateMay 31, 2018
Last NPPES UpdateMay 7, 20263 updates tracked since enumeration
NPPES CertifiedMay 7, 2026
NPI 1447742960 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 · 62784 Licensed in AZ · R76982
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.
4212 N 16TH ST, Phoenix, AZ 85016

Secondary Practice Locations 2

Location 1483 W Seed Farm RdSacaton, AZ 85147-5000 · Phone (602) 528-1200 · Fax (602) 528-1255
Location 21501 N Campbell AveTucson, AZ 85724-0001 · Phone (520) 626-6312

Accepted 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

Mrs. Mary Szczurek Buns 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 ID2062762016
PECOS Enrollment IDI20210604002739, I20241029000492
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 6

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 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.
211 services207 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.
131 services131 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
109 services109 patients
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.
64 services64 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.
20 services20 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 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.

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.

97.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost92.52

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.

Registered Nurse (Obstetric, High-Risk)
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Family Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Internal Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016

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 Mary Buns's NPI number?

The NPI number for Mary Buns is 1447742960. It was assigned to this individual provider in the NPPES registry on May 31, 2018.

Where is Mary Buns located?

Mary Buns practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.

What is Mary Buns's specialty?

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

Is Mary Buns enrolled in Medicare?

Yes. Mary Buns 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 Mary Buns accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Mary Buns 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.

When was this NPI record last updated?

The NPPES record for Mary Buns was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.