Individual provider Active NPI

Joan Dahmer, M.D.

  • Hematology & Oncology Physician
  • Peoria, AZ
National Provider Identifier
1417954785
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
29673 Issued in AZ
Practice address
15000 N 83Rd Ave Unit 300
Peoria, AZ 85381-2004
Phone
(623) 238-7490
Fax
(480) 882-5019
NPI assigned
Jul 1, 2005
Last updated
Feb 25, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 29673 AZ Primary

Addresses

Primary practice location

15000 N 83Rd Ave Unit 300
Peoria, AZ 85381-2004

Mailing address

15000 N 83Rd Ave Unit 300
Peoria, AZ 85381-2004
Phone (623) 238-7490

Other practice location 1

14674 W Mountain View Blvd Ste 105
Surprise, AZ 85374-2707
Phone (623) 238-7410

Other identifiers 1

IdentifierTypeStateIssuer
631102MedicaidAZ

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040803000763 AZ Practitioner - HematologyPractitioner - Hematology/Oncology 5890766992 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology
Education
Other, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Honorhealth AmbulatoryGroup PAC ID 5991603110, 630 clinicians

Practice addresses (Care Compare)

10510 N 92ND St
Scottsdale, AZ 85258-4566

14674 W Mountain View Blvd
Surprise, AZ 85374-2707

15000 N 83Rd Ave
Peoria, AZ 85381-2004

19636 N 27TH Ave
Suite 201
Phoenix, AZ 85027-4015
Phone (623) 516-4400

811 N Tegner St
Wickenburg, AZ 85390-5409
Phone (623) 238-7410

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Honorhealth Ambulatory CurrentSince Jun 1, 2023 Accepting new patients
Honorhealth Ambulatory Hematology & Oncology Current Accepting new patients
Honorhealth Ambulatory CurrentSince Jun 1, 2023 Accepting new patients
Honorhealth Ambulatory Past Accepting new patients
Honorhealth Medical Group, LLC Internal Medicine Past Accepting new patients

Locations

10320 W McDowell Rd
Ste 9030
Avondale, AZ 85392
Phone (480) 359-7384

1110 S Dobson Rd
Ste 1
Chandler, AZ 85286
Phone (623) 238-7540

5750 W Thunderbird Rd
Ste C300
Glendale, AZ 85306
Phone (602) 368-3045

6220 W Bell Rd
Ste 130
Glendale, AZ 85308
Phone (602) 547-7348

15000 N 83rd Ave
Unit 300
Peoria, AZ 85381
Phone (623) 238-7490

2222 E Highland Ave
Ste 400
Phoenix, AZ 85016
Phone (480) 767-2130

2500 W Utopia Rd
Ste 100
Phoenix, AZ 85027
Phone (623) 683-4462

10460 N 92nd St
Ste 400
Scottsdale, AZ 85258
Phone (623) 238-7630

10510 N 92nd St
Ste 200
Scottsdale, AZ 85258
Phone (480) 323-1250

14674 W Mountain View Blvd
Ste 105
Surprise, AZ 85374
Phone (623) 238-7410

Interoperability endpoints

  • Direct secure messaging: jdahmer16303@direct.honorhealth.com

Organizations & group practices 5

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1120176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1417954785",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15000 N 83RD AVE UNIT 300",
            "city": "PEORIA",
            "state": "AZ",
            "postal_code": "853812004",
            "telephone_number": "623-238-7490",
            "fax_number": "480-882-5019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15000 N 83RD AVE UNIT 300",
            "city": "PEORIA",
            "state": "AZ",
            "postal_code": "853812004",
            "telephone_number": "623-238-7490",
            "fax_number": "480-882-5019"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "14674 W Mountain View Blvd Ste 105",
            "address_purpose": "LOCATION",
            "city": "Surprise",
            "state": "AZ",
            "postal_code": "853742707",
            "country_code": "US",
            "telephone_number": "623-238-7410",
            "fax_number": "623-975-3902",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAHMER",
        "first_name": "JOAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-01",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "29673",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "631102",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Peoria, AZ

Sources for this page

Verify at the official NPI Registry.