Individual provider Active NPI

John Martin, MD

  • Gastroenterology Physician
  • Rochester, MN
National Provider Identifier
1609808534
Registry record updated Jun 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
58809 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2511
NPI assigned
Jul 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2026

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 58809 MN Primary
Gastroenterology Physician 207RG0100X 036109451 IL
Gastroenterology Physician 207RG0100X G205426 CA

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

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

Other practice location 1

680 N Lake Shore Dr
680 N. Lakeshore Drive
Chicago, IL 60611-4546
Phone (312) 695-9797

Other practice location 2

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-8888

Other practice location 3

680 N Lake Shore Dr
680 N. Lakeshore Drive
Chicago, IL 60611-4546
Phone (312) 695-9797

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jmartin137591@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, CA2 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
I20150213000227 MN Practitioner - Gastroenterology 4587561139 Reassigns benefits to 1 organization
I20251209002786 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 4587561139 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of Virginia School of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
UC RegentsGroup PAC ID 7416869516, 316 clinicians
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7002

1216 2ND St SW
Rochester, MN 55902-1906
Phone (507) 255-5123

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

201 W Ctr St
Rochester, MN 55902-3003
Phone (507) 255-5123

Hospital & facility affiliations

  • Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
  • Uci Health-Orange Hospital, Orange, CA, CCN 050348

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy26
Upper gastrointestinal (GI) endoscopy for acid reflux221

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G205426CAMDGastroenterology Physician
036109451ILMDGastroenterology Physician
58809MNMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UC Regents Current Accepting new patients
UC Regents Gastroenterology CurrentSince Oct 27, 2025 Accepting new patients
UC Regents CurrentSince Oct 27, 2025 Accepting new patients
Mayo Clinic Gastroenterology Current Accepting new patients
Mayo Clinic CurrentSince Jan 14, 2015 Accepting new patients
Mayo Clinic CurrentSince Jan 14, 2015 Accepting new patients
Central Dupage Physician Group Past Accepting new patients
University of California Irvine Past Accepting new patients
UC Regents Past Accepting new patients

Locations

19208 Jamboree Rd
Irvine, CA 92612
Phone (657) 579-3460

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

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

Organizations & group practices 9

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 3

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": "1152230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1609808534",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "address_2": "PROVIDER ENROLLMENT RST",
            "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": "680 N Lake Shore Dr",
            "address_2": "680 N. LAKESHORE DRIVE",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606114546",
            "country_code": "US",
            "telephone_number": "312-695-9797",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 The City Dr S",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-8888",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "680 N Lake Shore Dr",
            "address_2": "680 N. LAKESHORE DRIVE",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606114546",
            "country_code": "US",
            "telephone_number": "312-695-9797",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-07",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MN",
            "license": "58809",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036109451",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "G205426",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmartin137591@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "55905",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.