Individual provider Active NPI

Michael George Kattah, M.D., PH.D

  • Gastroenterology Physician
  • Rochester, MN
National Provider Identifier
1871813675
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
79155 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2511
NPI assigned
Jun 3, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 79155 MN Primary
Internal Medicine Physician 207R00000X A118801 CA
Internal Medicine Physician 207R00000X UNKNOWN MA

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (507) 284-2511

Other practice location 1

513 Parnassus Ave
Med Sci Bldg Rm S357G
San Francisco, CA 94143-2205
Phone (415) 502-4444

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mkattah2565117@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MN2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20150710001777 CA Practitioner - Internal MedicinePractitioner - Gastroenterology 1456663962 Reassigns benefits to 4 organizations
I20250923001620 MN Practitioner - Gastroenterology 1456663962 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Stanford University School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Hospital & facility affiliations

  • Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010

Merit-based Incentive Payment System (MIPS)

Final score
87.01 of 100Reported as group
Quality
86.78
Improvement activities
40
Cost
70.46

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy33
Upper gastrointestinal (GI) endoscopy for acid reflux12

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A118801CAMDInternal Medicine Physician
UNKNOWNMAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jul 1, 2015 Accepting new patients
University of California SFGH Medical Group CurrentSince Jun 1, 2016 Accepting new patients
Mayo Clinic CurrentSince Sep 1, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 1, 2015 Accepting new patients
University of California SFGH Medical Group Gastroenterology CurrentSince Jun 1, 2016 Accepting new patients
Mayo Clinic CurrentSince Sep 1, 2025 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
University of California San Francisco Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Mayo Clinic Gastroenterology Current Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
Mayo Clinic Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

513 Parnassus Ave
Rm S1070
San Francisco, CA 94143

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

1600 Divisadero St
San Francisco, CA 94143
Phone (415) 353-7175

513 Parnassus Ave
Rm S357G
San Francisco, CA 94143
Phone (415) 502-4444

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

350 Parnassus Ave
Ste 300
San Francisco, CA 94117
Phone (415) 353-2318

1600 Divisadero St
Fl 7
San Francisco, CA 94143

1001 Potrero Ave
Rm 3D5
San Francisco, CA 94110
Phone (415) 206-8822

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

1100 Park Pl
Ste 100
San Mateo, CA 94403
Phone (415) 353-3236

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

Organizations & group practices 15

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 15

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": "1275523200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1871813675",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "513 Parnassus Ave",
            "address_2": "Med Sci Bldg Rm S357G",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432205",
            "country_code": "US",
            "telephone_number": "415-502-4444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATTAH",
        "first_name": "MICHAEL",
        "middle_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-03",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MN",
            "license": "79155",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A118801",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "UNKNOWN",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mkattah2565117@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.