Individual provider Active NPI

Lawrence A Szarka, M.D.

  • Gastroenterology Physician
  • Rochester, MN
National Provider Identifier
1619949815
Registry record updated Mar 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
38348 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2511
NPI assigned
Feb 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 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 ME178102 FL
Gastroenterology Physician 207RG0100X 29042 AZ
Gastroenterology Physician 207RG0100X 38348 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912

Other practice location 1

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone (904) 953-2000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address lszarka141619@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, AZ, FL3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20090305000183 MN Practitioner - GastroenterologyPractitioner - Internal Medicine 8628134269 Reassigns benefits to 2 organizations
I20100310000959 AZ Practitioner - GastroenterologyPractitioner - Internal Medicine 8628134269 Reassigns benefits to 1 organization
I20260325003511 FL Practitioner - Gastroenterology 8628134269 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians
Mayo Clinic JacksonvilleGroup PAC ID 5698689297, 1,595 clinicians

Practice addresses (Care Compare)

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

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

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone (904) 953-2000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
ME178102FLMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Arizona CurrentSince Mar 1, 2010 Accepting new patients
Mayo Clinic Arizona CurrentSince Mar 1, 2010 Accepting new patients
Mayo Clinic CurrentSince Feb 4, 2002 Accepting new patients
Mayo Clinic Gastroenterology Current Accepting new patients
Mayo Clinic CurrentSince Feb 4, 2002 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Mar 1, 2020 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Mar 1, 2020 Accepting new patients

Locations

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

13400 E Shea Blvd
Scottsdale, AZ 85259

4500 San Pablo Rd S
Jacksonville, FL 32224
Phone (904) 721-4815

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

825 Mankato Ave
Winona, MN 55987
Phone (507) 454-4925

Interoperability endpoints

  • Direct secure messaging: lszarka141619@ehrdirect.mayoclinicmsg.org

Organizations & group practices 8

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 2

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": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1619949815",
    "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"
        },
        {
            "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": "4500 San Pablo Rd S",
            "address_purpose": "LOCATION",
            "city": "Jacksonville",
            "state": "FL",
            "postal_code": "322241865",
            "country_code": "US",
            "telephone_number": "904-953-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SZARKA",
        "first_name": "LAWRENCE",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME178102",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "29042",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MN",
            "license": "38348",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lszarka141619@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.