NPIMap

Individual provider Active NPI

Mary Szczurek Buns, MD

  • Emergency Medicine Physician
  • Phoenix, AZ
National Provider Identifier
1447742960
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
62784 Issued in AZ
Practice address
4212 N 16TH St
Phoenix, AZ 85016-5319
Phone
(602) 263-1200
Fax
(602) 263-1619
NPI assigned
May 31, 2018
Last updated
May 7, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 7, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X R76982 AZ
Emergency Medicine Physician 207P00000X 62784 AZ Primary

Addresses

Primary practice location

4212 N 16TH St
Phoenix, AZ 85016-5319

Mailing address

PO Box 95460
Cleveland, OH 44101-0033
Phone (602) 581-6076

Other practice location 1

483 W Seed Farm Rd
Sacaton, AZ 85147-5000
Phone (602) 528-1200

Other practice location 2

1501 N Campbell Ave
Tucson, AZ 85724-0001
Phone (520) 626-6312

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, TX2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210604002739 AZ Practitioner - Emergency Medicine 2062762016 Reassigns benefits to 7 organizations
I20241029000492 TX Practitioner - Emergency Medicine 2062762016 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Chicago College of Medicine and Surgery, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Chandler Emergency Medical Group LLCGroup PAC ID 1658272968, 47 clinicians
East Valley Ep PLLCGroup PAC ID 4880081785, 15 clinicians
Tec Emergency Physicians of Arizona, LLCGroup PAC ID 6204256084, 155 clinicians

Practice addresses (Care Compare)

3555 S Val Vista Dr
Gilbert, AZ 85297-7323
Phone (954) 939-5000

4212 N 16TH St
Phoenix, AZ 85016-5319
Phone (602) 263-1200

483 W Seed Farm Rd
Hu Hu Kam Memorial Hosp
Sacaton, AZ 85147-0038
Phone (602) 528-1200

5656 S Power Rd
Gilbert, AZ 85295-8491
Phone (602) 830-4911

7171 S 51St Ave
Laveen, AZ 85339-2923
Phone (888) 732-3317

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
89.21 of 100Reported as group
Quality
76.88
Promoting interoperability
76
Improvement activities
40
Cost
73.83

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
62784AZMDEmergency Medicine Physician
R76982AZMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
FHMC Clinic Emergency Medicine CurrentSince Oct 1, 2024 Accepting new patients
Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm CurrentSince Mar 11, 2025 Accepting new patients
Chandler Emergency Medical Group, LLC Emergency Medicine CurrentSince Jul 1, 2022 Accepting new patients
Tec Emergency Physicians of Arizona, LLC CurrentSince Jun 6, 2024 Accepting new patients
FHMC Operating PC Emergency Medicine CurrentSince Feb 8, 2025 Accepting new patients
Gila River Regional Behavioral Health Authority CurrentSince Sep 12, 2024 Accepting new patients
Gila River Health Care Corporation Current Accepting new patients
Gila River Health Care Corporation Current Accepting new patients
Northwest HBP Medical Services LLC Emergency Medicine CurrentSince Aug 21, 2023 Accepting new patients
Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm CurrentSince Mar 11, 2025 Accepting new patients
Progressive Medical Associates PLLC Emergency Medicine CurrentSince Jul 1, 2021 Accepting new patients
Gila River Health Care CurrentSince Sep 12, 2024 Accepting new patients
FHMC LLC CurrentSince Oct 1, 2024 Accepting new patients
East Valley Ep, PLLC CurrentSince Jul 18, 2025 Accepting new patients

Locations

1955 W Frye Rd
Chandler, AZ 85224
Phone (480) 507-2961

9700 N Saguaro Blvd
Ste 100
Fountain Hls, AZ 85268
Phone (602) 671-7981

3555 S Val Vista Dr
Gilbert, AZ 85297
Phone (480) 434-4356

5656 S Power Rd
Gilbert, AZ 85295
Phone (480) 840-3733

7171 S 51st Ave
Laveen, AZ 85339
Phone (623) 584-5100

1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000

1551 E Tangerine Rd
Oro Valley, AZ 85755
Phone (520) 901-3500

4212 N 16th St
Phoenix, AZ 85016
Phone (602) 248-4187

1419 W Hunt Hwy
San Tan Vly, AZ 85143
Phone (480) 245-4300

5125 S Rural Rd
Tempe, AZ 85282
Phone (480) 306-8780

6200 N La Cholla Blvd
Tucson, AZ 85741
Phone (520) 229-2657

5121 Maryland Way
Ste 300
Brentwood, TN 37027
Phone (615) 436-6556

Organizations & group practices 14

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 14

Hospital & facility affiliations 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1527724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1447742960",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 95460",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441010033",
            "telephone_number": "602-581-6076",
            "fax_number": "602-263-1619"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4212 N 16TH ST",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850165319",
            "telephone_number": "602-263-1200",
            "fax_number": "602-263-1619"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "483 W Seed Farm Rd",
            "address_purpose": "LOCATION",
            "city": "Sacaton",
            "state": "AZ",
            "postal_code": "851475000",
            "country_code": "US",
            "telephone_number": "602-528-1200",
            "fax_number": "602-528-1255",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1501 N Campbell Ave",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857240001",
            "country_code": "US",
            "telephone_number": "520-626-6312",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUNS",
        "first_name": "MARY",
        "middle_name": "SZCZUREK",
        "name_prefix": "Mrs.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-05-31",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "R76982",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "62784",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.