NPIMap

Individual provider Active NPI

Stefan K. Flores, M.D

  • Emergency Medicine Physician
  • Tempe, AZ
National Provider Identifier
1154768406
Registry record updated May 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
300569 Issued in NY
Practice address
5125 S Rural Rd
Tempe, AZ 85282-7008
Phone
(480) 306-8780
NPI assigned
May 28, 2013
Last updated
May 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 14, 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 300569 NY Primary
Emergency Medicine Physician 207P00000X 66109 AZ

Addresses

Primary practice location

5125 S Rural Rd
Tempe, AZ 85282-7008

Mailing address

6638 N 14TH PL
Phoenix, AZ 85014-1407
Phone (845) 699-0096

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, TX, AZ3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20160722001303 CA Practitioner - Emergency Medicine 7012200439 Reassigns benefits to 2 organizations
I20181211002760 TX Practitioner - Emergency Medicine 7012200439 Reassigns benefits to 2 organizations
I20220516002560 AZ Practitioner - Emergency Medicine 7012200439 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
HonorhealthGroup PAC ID 1456258607, 66 clinicians
Emcare - PNX Emergency Physicians LLCGroup PAC ID 3779574165, 66 clinicians
Northwest HBP Medical Services LLCGroup PAC ID 8921356536, 278 clinicians
Tec Emergency Physicians of Arizona, LLCGroup PAC ID 6204256084, 155 clinicians

Practice addresses (Care Compare)

16575 W Waddell Rd
Surprise, AZ 85388-9623
Phone (623) 300-9110

250 E Dunlap Ave
Phoenix, AZ 85020-2825
Phone (954) 939-5000

6200 N la Cholla Blvd
Tucson, AZ 85741-3529
Phone (520) 229-2657

9130 E Elliot Rd
Mesa, AZ 85212-9675
Phone (888) 732-3317

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
66109AZMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Emergency Medicine Current Accepting new patients
Emergency Group of Arizona Professional Corporation Emergency Medicine CurrentSince May 1, 2022 Accepting new patients
Tec Emergency Physicians of Arizona, LLC CurrentSince Jul 1, 2022 Accepting new patients
San Carlos Apache Healthcare Corporation Current Accepting new patients
Loop 101 Emergency Physicians LLC Emergency Medicine CurrentSince Oct 1, 2023 Accepting new patients
Honorhealth CurrentSince May 16, 2022 Accepting new patients
Northwest HBP Medical Services LLC Emergency Medicine CurrentSince Oct 31, 2024 Accepting new patients
San Carlos Apache Healthcare Corporation CurrentSince Oct 24, 2020 Accepting new patients
Century Integrated Partners, Inc Emergency Medicine CurrentSince Nov 1, 2018 Accepting new patients
Permanente Medical Group, Inc CurrentSince Apr 3, 2017 Accepting new patients
303 Emergency Physicians PLLC Emergency Medicine CurrentSince Aug 22, 2023 Accepting new patients
Permanente Medical Group Inc Emergency Medicine CurrentSince Apr 3, 2017 Accepting new patients
Honorhealth CurrentSince May 16, 2022 Accepting new patients
Honorhealth Emergency Medicine Current Accepting new patients
San Francisco Physicians International Medical Group, Inc Emergency Medicine CurrentSince Jul 1, 2016 Accepting new patients
Emcare - PNX Emergency Physicians LLC Emergency Medicine CurrentSince Jun 1, 2022 Accepting new patients
Carbon Health Primary Care of California PC PastSince Jul 20, 2025 Accepting new patients

Locations (25 of 34)

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

9130 E Elliot Rd
Mesa, AZ 85212
Phone (480) 410-4500

103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200

1930 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 532-1000

19829 N 27th Ave
Phoenix, AZ 85027
Phone (602) 879-5720

2000 W Bethany Home Rd
Phoenix, AZ 85015
Phone (480) 209-4000

250 E Dunlap Ave
Phoenix, AZ 85020
Phone (480) 331-6721

33400 N 32nd Ave
Phoenix, AZ 85085
Phone (540) 998-0000

33423 N 32nd Ave
Phoenix, AZ 85085
Phone (623) 474-1600

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

7400 E Osborn Rd
Scottsdale, AZ 85251
Phone (480) 481-4000

16575 W Waddell Rd
Surprise, AZ 85388
Phone (623) 300-9110

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

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

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

13855 E 14th St
San Leandro, CA 94578
Phone (510) 357-6500

6001 Norris Canyon Rd
San Ramon, CA 94583
Phone (925) 275-8273

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

Interoperability endpoints

  • Direct secure messaging: sflores16017@alamedahs.direct-ci.com

Organizations & group practices 17

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 17

Hospital & facility affiliations 23

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

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1369699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778716800000",
    "number": "1154768406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6638 N 14TH PL",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850141407",
            "telephone_number": "845-699-0096"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5125 S RURAL RD",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "852827008",
            "telephone_number": "480-306-8780"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLORES",
        "first_name": "STEFAN",
        "middle_name": "K.",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-05-28",
        "last_updated": "2026-05-14",
        "certification_date": "2026-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "300569",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "66109",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tempe, AZ

Sources for this page

Verify at the official NPI Registry.