NPIMap

Individual provider Active NPI

Richard Williamson Jr., MD

  • Neurological Surgery Physician
  • Chandler, AZ
National Provider Identifier
1609040609
Registry record updated May 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
47644 Issued in AZ
Practice address
1875 W Frye Rd Ste 300
Chandler, AZ 85224-6184
Phone
(480) 917-5600
Fax
(602) 294-8286
NPI assigned
Apr 22, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X MD457377 PA
Neurological Surgery Physician 207T00000X 47644 AZ Primary

Addresses

Primary practice location

1875 W Frye Rd Ste 300
Chandler, AZ 85224-6184

Mailing address

2910 N 3Rd Ave # 200
Phoenix, AZ 85013-4434
Phone (602) 406-3181

Other identifiers 2

IdentifierTypeStateIssuer
103120121MedicaidPA
186944MedicaidAZ

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240522003818 AZ Practitioner - Neurosurgery 1557651023 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
University of Pittsburgh School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Neurosurgical Associates LTDGroup PAC ID 8820993967, 76 clinicians

Practice addresses (Care Compare)

3420 S Mercy Rd
Suite 221
Gilbert, AZ 85297-0424
Phone (480) 681-7134

Hospital & facility affiliations

  • Chandler Regional Medical Center Hospital, Chandler, AZ, CCN 030036
  • St Josephs Hospital and Medical Center Hospital, Phoenix, AZ, CCN 030024
  • Honorhealth Scottsdale Osborn Medical Center Hospital, Scottsdale, AZ, CCN 030038
  • Mercy Gilbert Medical Center Hospital, Gilbert, AZ, CCN 030119
  • Summit Healthcare Regional Medical Center Hospital, Show Low, AZ, CCN 030062

Merit-based Incentive Payment System (MIPS)

Final score
93.9 of 100Reported as apm
Quality
85.02
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion67
Laminectomy or laminotomy (partial removal of spine bones)14

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Allegheny Clinic Current Accepting new patients
Allegheny Clinic CurrentSince Jul 18, 2016 Accepting new patients
Neurosurgical Associates, LTD Neurological Surgery CurrentSince Jul 1, 2024 Accepting new patients
Neurosurgical Associates, LTD Neurological Surgery CurrentSince Jul 1, 2024 Accepting new patients
Allegheny Clinic Neurological Surgery CurrentSince Jul 18, 2016 Accepting new patients
Windber Hospital, Inc. Past Accepting new patients

Locations

1875 W Frye Rd
Ste 300
Chandler, AZ 85224
Phone (480) 917-5600

3420 S Mercy Rd
Ste 221
Gilbert, AZ 85297
Phone (480) 681-7374

2910 N 3rd Ave
Ste 200
Phoenix, AZ 85013
Phone (602) 406-3181

2910 N 3rd Ave
#200
Phoenix, AZ 85013
Phone (602) 406-3008

1001 9th Ave
Brackenridge, PA 15014

320 E North Ave
Fl Sixth
Pittsburgh, PA 15212
Phone (412) 359-5036

490 E North Ave
Ste 107
Pittsburgh, PA 15212
Phone (412) 359-3376

320 E North Ave
Ste 208
Pittsburgh, PA 15212

Interoperability endpoints

  • Direct secure messaging: richard.williamson.1@31799.direct.athenahealth.com

Organizations & group practices 6

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

Hospital & facility affiliations 10

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": "1208822400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746662400000",
    "number": "1609040609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2910 N 3RD AVE # 200",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134434",
            "telephone_number": "602-406-3181",
            "fax_number": "602-294-4491"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1875 W FRYE RD STE 300",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852246184",
            "telephone_number": "480-917-5600",
            "fax_number": "602-294-8286"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "RICHARD",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-04-22",
        "last_updated": "2025-05-08",
        "certification_date": "2025-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "PA",
            "license": "MD457377",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "AZ",
            "license": "47644",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "103120121",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "186944",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chandler, AZ

Sources for this page

Verify at the official NPI Registry.