NPIMap

Individual provider Active NPI

Marion Edwyn Harrison III, M.D.

  • Gastroenterology Physician
  • Scottsdale, AZ
National Provider Identifier
1801873633
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
21372 Issued in AZ
Practice address
13400 E Shea Blvd
Scottsdale, AZ 85259-5404
Phone
(480) 301-8000
NPI assigned
Dec 22, 2005
Last updated
Mar 7, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 35930 MN
Gastroenterology Physician 207RG0100X 21372 AZ Primary

Addresses

Primary practice location

13400 E Shea Blvd
Scottsdale, AZ 85259-5404

Mailing address

13400 E Shea Blvd
Scottsdale, AZ 85259-5404
Phone (480) 301-8000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mharrison394673@ehrdirect.mayoclinicmsg.org

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
I20100222000890 AZ Practitioner - GastroenterologyPractitioner - Internal Medicine 6103960612 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of Virginia School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mayo Clinic ArizonaGroup PAC ID 7012829930, 1,618 clinicians

Practice addresses (Care Compare)

13400 E Shea Blvd
Scottsdale, AZ 85259-5404
Phone (480) 301-8000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.47 of 100Reported as group
Quality
78.27
Promoting interoperability
100
Improvement activities
40
Cost
76.62

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy65
Upper gastrointestinal (GI) endoscopy for acid reflux69

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
21372AZMDGastroenterology Physician
35930MNMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Phoenix Children's Medical Group CurrentSince Jul 1, 2012 Accepting new patients
Mayo Clinic Arizona CurrentSince Mar 19, 1993 Accepting new patients
Phoenix Children's Medical Group CurrentSince Jul 1, 2012 Accepting new patients
Mayo Clinic Arizona CurrentSince Mar 19, 1993 Accepting new patients
Phoenix Children's Hospital Current Accepting new patients

Locations

1919 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 933-0777

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

5779 E Mayo Blvd
Phoenix, AZ 85054
Phone (480) 342-2000

13400 E Shea Blvd
Scottsdale, AZ 85259

Interoperability endpoints

  • Direct secure messaging: mharrison394673@ehrdirect.mayoclinicmsg.org

Ownership & related parties

All facility ownership & control disclosures 11

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Mountain Park Health CenterPhoenix, AZ, CCN 031842 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterPhoenix, AZ, CCN 031843 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterPhoenix, AZ, CCN 031810 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health Center - GoodyearGoodyear, AZ, CCN 031844 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterTempe, AZ, CCN 031850 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterPhoenix, AZ, CCN 031930 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health Center AtkinsonPhoenix, AZ, CCN 031927 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health Center - Baseline WestPhoenix, AZ, CCN 031974 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterPhoenix, AZ, CCN 031007 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterGlendale, AZ, CCN 031020 Federally qualified health center Corporate Director Feb 25, 2025
Mountain Park Health CenterPhoenix, AZ, CCN 031055 Federally qualified health center Corporate Director Feb 25, 2025

Owned or controlled facilities with NPI records 11

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

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 1

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": "1135209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1801873633",
    "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": "852595404",
            "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": "852595404",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRISON",
        "first_name": "MARION",
        "middle_name": "EDWYN",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-22",
        "last_updated": "2023-03-07",
        "certification_date": "2023-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MN",
            "license": "35930",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "21372",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mharrison394673@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595404",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Scottsdale, AZ

Sources for this page

Verify at the official NPI Registry.