Individual provider Active NPI

Mary-Jane Williams, M.D.

  • Gastroenterology Physician
  • Scottsdale, AZ
National Provider Identifier
1285096032
Registry record updated Jul 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
69010 Issued in AZ
Practice address
13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone
(480) 301-8000
NPI assigned
Mar 22, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 18189 NV
Gastroenterology Physician 207RG0100X MD2023-1313 NM
Gastroenterology Physician 207RG0100X 69010 AZ Primary

Addresses

Primary practice location

13400 E Shea Blvd
Scottsdale, AZ 85259-5499

Mailing address

13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone (480) 301-8000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mwilliams1955419@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC, AZ, NM, CO, OH, MN, OK, NE, WV9 enrollments
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 9

Enrollment IDStateProvider typePAC IDDetails
I20211117000224 NC Practitioner - Internal Medicine 8123313871 Reassigns benefits to 3 organizations
I20230511003414 AZ Practitioner - Gastroenterology 8123313871 Reassigns benefits to 2 organizations
I20231025001308 NM Practitioner - Gastroenterology 8123313871 Reassigns benefits to 2 organizations
I20240613002591 CO Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization
I20250930002446 OH Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization
I20251105003239 MN Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization
I20260317000939 OK Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization
I20260318001617 NE Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization
I20260624002165 WV Practitioner - Gastroenterology 8123313871 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Partners Physician GroupGroup PAC ID 4183529340, 409 clinicians
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians
Faith Regional Physician Services LLCGroup PAC ID 5193786168, 194 clinicians
Mercy Clinic Oklahoma CommunitiesGroup PAC ID 1153468921, 645 clinicians

Practice addresses (Care Compare)

1000 E Washington St
Medina, OH 44256-2170
Phone (330) 344-0071

1025 Marsh St
Mankato, MN 56001-4752
Phone (507) 625-4031

1925 Mountain View Ave
Longmont, CO 80501-3128
Phone (303) 776-1234

2701 W Norfolk Ave FL
4 FRHS General Surgery
Norfolk, NE 68701-4407
Phone (402) 844-8832

4200 W Memorial Rd
Suite 310
Oklahoma City, OK 73120-8378
Phone (405) 749-4222

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy60
Upper gastrointestinal (GI) endoscopy for acid reflux144

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
18189NVMDInternal Medicine Physician
69010AZMDGastroenterology Physician
MD2023-1313NMMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Health System-Southwest Minnesota Region CurrentSince Oct 1, 2025 Accepting new patients
Cumberland County Hospital System Inc CurrentSince Dec 9, 2021 Accepting new patients
Poudre Valley Medical Group, LLC CurrentSince Nov 23, 2025 Accepting new patients
Northwest Allied Physicians, LLC CurrentSince Dec 29, 2025 Accepting new patients
Poudre Valley Medical Group, LLC CurrentSince Nov 23, 2025 Accepting new patients
Mayo Clinic Arizona CurrentSince Jul 1, 2023 Accepting new patients
Cumberland County Hospital System Inc Hospitalist CurrentSince Dec 9, 2021 Accepting new patients
San Juan Regional Medical Center Inc CurrentSince Jul 25, 2024 Accepting new patients
Southwest Medical Associates, LLC CurrentSince Nov 1, 2023 Accepting new patients
Atlantic Medical Group PC Gastroenterology CurrentSince May 15, 2023 Accepting new patients
Atlantic Medical Group PC Gastroenterology CurrentSince May 15, 2023 Accepting new patients
Mayo Clinic Health System-Southwest Minnesota Region Current Accepting new patients
San Juan Regional Medical Center Inc Gastroenterology CurrentSince Jul 25, 2024 Accepting new patients
Faith Regional Physician Services, LLC CurrentSince Apr 3, 2026 Accepting new patients
Mayo Clinic Arizona CurrentSince Jul 1, 2023 Accepting new patients
Partners Physician Group Internal Medicine CurrentSince Aug 22, 2025 Accepting new patients
Cumberland County Hospital System Inc Current Accepting new patients
Mercy Clinic Oklahoma Communities Internal Medicine CurrentSince Feb 10, 2026 Accepting new patients
Faith Regional Physician Services, LLC Internal Medicine CurrentSince Apr 3, 2026 Accepting new patients
Vidant Medical Group LLC CurrentSince Nov 15, 2021 Accepting new patients
Northwest Allied Physicians LLC Internal Medicine CurrentSince Dec 29, 2025 Accepting new patients
Southwest Medical Associates, LLC CurrentSince Nov 1, 2023 Accepting new patients
Partners Physician Group CurrentSince Aug 22, 2025 Accepting new patients

Locations (25 of 26)

5777 E Mayo Blvd
Phoenix, AZ 85054
Phone (480) 342-1800

13400 E Shea Blvd
Scottsdale, AZ 85259

8333 N Silverbell Rd
Ste 161
Tucson, AZ 85743
Phone (520) 202-7770

4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260

1925 Mountain View Ave
Longmont, CO 80501
Phone (303) 776-1234

1025 Marsh St
Mankato, MN 56001
Phone (507) 345-2623

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

800 Tilghman Dr
Dunn, NC 28334
Phone (910) 230-7800

1638 Owen Dr
Fayetteville, NC 28304
Phone (910) 609-5610

2100 Stantonsburg Rd
Greenville, NC 27834
Phone (252) 744-3229

4 Josh Ct
Jacksonville, NC 28546
Phone (252) 527-3636

401 N Main St
Kenansville, NC 28349
Phone (910) 296-0941

2541 N Queen St
Kinston, NC 28501
Phone (252) 527-3636

215 Brightwater Dr
Lillington, NC 27546
Phone 9108921000 ext. 3007

2701 W Norfolk Ave
Fl 4
Norfolk, NE 68701
Phone (402) 844-8275

4705 Montgomery Blvd NE
Ste 201
Albuquerque, NM 87109
Phone (505) 727-6550

4101 Indian School Rd NE
Ste 110
Albuquerque, NM 87110
Phone (505) 727-8360

715 Martin Luther King Ave NE
Ste 301
Albuquerque, NM 87102
Phone (505) 727-4500

630 W Maple St
Farmington, NM 87401
Phone (505) 325-1123

4820 E Main St
Ste 2
Farmington, NM 87402
Phone (505) 609-6610

224 W Exchange St
Ste 160
Akron, OH 44302
Phone (330) 344-6505

1 Akron General Ave
Akron, OH 44307
Phone (330) 344-5760

224 W Exchange St
Ste 225
Akron, OH 44302
Phone (330) 344-7400

1000 E Washington St
Medina, OH 44256
Phone (330) 654-1185

6801 Brecksville Rd
Ste 20
Seven Hills, OH 44131
Phone (216) 445-3363

Interoperability endpoints

  • Direct secure messaging: williamsm@yourcarecommunity.org
  • Direct secure messaging: maryjane.williams@hca3.eclinicaldirectplus.com
  • Direct secure messaging: mwilliams1955419@ehrdirect.mayoclinicmsg.org

Organizations & group practices 24

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.

View all 24

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": "1458604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1285096032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595499",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595499",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARY-JANE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-22",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "18189",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NM",
            "license": "MD2023-1313",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "69010",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwilliams1955419@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595499",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Scottsdale, AZ

Sources for this page

Verify at the official NPI Registry.