Individual provider Active NPI

Douglas B. Masson, M.D.

  • Urology Physician
  • Prescott, AZ
National Provider Identifier
1114901238
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
48429 Issued in AZ
Practice address
1001 Willow Creek Rd Ste 3300
Prescott, AZ 86301-1614
Phone
(928) 708-4000
Fax
(928) 458-2118
NPI assigned
Dec 1, 2005
Last updated
Sep 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X MD.MD.00034492 WA
Urology Physician 208800000X 48429 AZ Primary

Addresses

Primary practice location

1001 Willow Creek Rd Ste 3300
Prescott, AZ 86301-1614

Mailing address

PO Box 10880
Prescott, AZ 86304-0880
Phone (602) 406-4786

Other practice location 1

1950 NW Myhre Rd Fl 2
Silverdale, WA 98383-7662
Phone (564) 240-4090

Other practice location 2

5133 N Central Ave Ste 100
Phoenix, AZ 85012-1438
Phone (480) 616-0356

Other practice location 3

6320 W Union Hills Dr Bldg B
Glendale, AZ 85308-1096
Phone (602) 942-5600

Other practice location 4

6525 W Sack Dr
Glendale, AZ 85308-7104
Phone (602) 337-8500

Other practice location 5

6036 N 19th Ave Ste 204
Phoenix, AZ 85015-2104
Phone (480) 616-0356

Other identifiers 1

IdentifierTypeStateIssuer
160446MedicaidAZ

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
I20160721001265 AZ Practitioner - Urology 2961664750 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
University of Washington School of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Honorhealth AmbulatoryGroup PAC ID 5991603110, 630 clinicians
Capital Medical Center Specialty Physicians LLCGroup PAC ID 2567651771, 103 clinicians
Sierra Vista Regional Health Center Medical Group LLCGroup PAC ID 3779732854, 45 clinicians

Practice addresses (Care Compare)

10510 N 92ND St
Scottsdale, AZ 85258-4566

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

250 E Dunlap Ave
Phoenix, AZ 85020-2825
Phone (602) 943-2381

269 S Candy LN
Cottonwood, AZ 86326-4158
Phone (928) 639-6000

340 S Willard St
Cottonwood, AZ 86326-4126
Phone (928) 639-6025

3900 Capital Mall Dr SW
Olympia, WA 98502-8654
Phone (360) 704-4743

601 McPhee Rd SW
BLDG 1
Olympia, WA 98502-5080
Phone (360) 706-6282

75 Colonia de Salud
Suite 200C
Sierra Vista, AZ 85635-2486
Phone (520) 263-2690

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
48429AZMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sierra Vista Regional Health Center Medical Group LLC Family Medicine CurrentSince Dec 19, 2025 Accepting new patients
Summit Healthcare Medical Associates CurrentSince Jun 1, 2024 Accepting new patients
Summit Healthcare Association Current Accepting new patients
Yavapai Regional Medical Center Physician Care LLC Current Accepting new patients
Summit Healthcare Medical Associates Family Medicine Current Accepting new patients
Yavapai Regional Medical Center Physician Care LLC CurrentSince Jan 1, 2025 Accepting new patients
Urology Clinic of SW Washington, P.S. Current Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients
Prescott Gastroenterology Past Accepting new patients

Locations

1001 Willow Creek Rd
Ste 3300
Prescott, AZ 86301
Phone (928) 458-2996

3120 Clearwater Dr
Prescott, AZ 86305
Phone (928) 445-4818

7700 E Florentine Rd
Prescott Vly, AZ 86314
Phone (928) 445-2700

4951 S White Mountain Rd
Bldg A
Show Low, AZ 85901
Phone (928) 537-6700

75 Colonia de Salud
Ste 200C
Sierra Vista, AZ 85635
Phone (520) 226-4338

505 NE 87th Ave
Ste 200
Vancouver, WA 98664
Phone (206) 256-8838

Interoperability endpoints

  • Direct secure messaging: douglas.masson.1@19231.direct.athenahealth.com
  • Direct secure messaging: douglasmasson@shrmcshma.allscriptsdirect.net

Organizations & group practices 13

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 13

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": "1133395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1114901238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 10880",
            "city": "PRESCOTT",
            "state": "AZ",
            "postal_code": "863040880",
            "telephone_number": "602-406-4786",
            "fax_number": "916-636-4358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 WILLOW CREEK RD STE 3300",
            "city": "PRESCOTT",
            "state": "AZ",
            "postal_code": "863011614",
            "telephone_number": "928-708-4000",
            "fax_number": "928-458-2118"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1950 NW Myhre Rd Fl 2",
            "address_purpose": "LOCATION",
            "city": "Silverdale",
            "state": "WA",
            "postal_code": "983837662",
            "country_code": "US",
            "telephone_number": "564-240-4090",
            "fax_number": "564-240-4114",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5133 N Central Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850121438",
            "country_code": "US",
            "telephone_number": "480-616-0356",
            "fax_number": "480-616-0603",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6320 W Union Hills Dr Bldg B",
            "address_purpose": "LOCATION",
            "city": "Glendale",
            "state": "AZ",
            "postal_code": "853081096",
            "country_code": "US",
            "telephone_number": "602-942-5600",
            "fax_number": "623-825-6386",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6525 W Sack Dr",
            "address_purpose": "LOCATION",
            "city": "Glendale",
            "state": "AZ",
            "postal_code": "853087104",
            "country_code": "US",
            "telephone_number": "602-337-8500",
            "fax_number": "602-337-8151",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6036 N 19th Ave Ste 204",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850152104",
            "country_code": "US",
            "telephone_number": "480-616-0356",
            "fax_number": "480-616-0603",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSON",
        "first_name": "DOUGLAS",
        "middle_name": "B.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-01",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WA",
            "license": "MD.MD.00034492",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "AZ",
            "license": "48429",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "160446",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Prescott, AZ

Sources for this page

Verify at the official NPI Registry.