Individual provider Active NPI

Robert G Williamson, M.D.

  • Psychiatry Physician
  • Phoenix, AZ
National Provider Identifier
1316950298
Registry record updated Jun 8, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
37934 Issued in AZ
Practice address
903 N 2ND St
Phoenix, AZ 85004-1906
Phone
(602) 416-7600
Fax
(602) 416-7703
NPI assigned
Aug 14, 2006
Last updated
Jun 8, 2011By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 8, 2011

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X K5430 TX
Psychiatry Physician 2084P0800X 37934 AZ Primary

Addresses

Primary practice location

903 N 2ND St
Phoenix, AZ 85004-1906

Mailing address

903 N 2ND St
Phoenix, AZ 85004-1906
Phone (602) 416-7600

Other identifiers 2

IdentifierTypeStateIssuer
323283MedicaidAZ
1663163-01MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080903000139 AZ Practitioner - Psychiatry 0749243699 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
37934AZMDPsychiatry Physician
K5430TXMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Connectionsaz, LLC CurrentSince May 10, 2022 Accepting new patients
Connections Southernaz, LLC Outpatient CurrentSince Dec 1, 2014 Accepting new patients
Connectionsaz, LLC CurrentSince Aug 15, 2009 Accepting new patients
Magellan Health Services of Arizona, Inc Past Accepting new patients
Connectionsmt, LLC Psychiatry PastSince Sep 8, 2024 Accepting new patients

Locations

1201 S 7th Ave
Ste 150
Phoenix, AZ 85007
Phone (602) 253-5100

1201 S 7th Ave
Ste 150A
Phoenix, AZ 85007

2390 E Camelback Rd
Ste 400
Phoenix, AZ 85016
Phone (703) 543-9948

903 N 2nd St
Phoenix, AZ 85004
Phone (602) 253-5100

2802 E District St
Tucson, AZ 85714
Phone (520) 622-6000

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.

NPI Registry JSON

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

{
    "created_epoch": "1155513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1307491200000",
    "number": "1316950298",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "903 N 2ND ST",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850041906",
            "telephone_number": "602-416-7600",
            "fax_number": "602-416-7703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "903 N 2ND ST",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850041906",
            "telephone_number": "602-416-7600",
            "fax_number": "602-416-7703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "ROBERT",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-14",
        "last_updated": "2011-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "K5430",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "AZ",
            "license": "37934",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "323283",
            "state": "AZ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1663163-01",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.