Mark T Lin, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

42987 Issued in AZ

Practice address

1396 N Wilmot Rd
Tucson, AZ 85712-5132

Phone

(520) 420-2250

NPI assigned

Jan 17, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in AZ

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 1

Specialty

Gastroenterology

Education

Rush Medical College of Rush University, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

TMC Medical NetworkGroup PAC ID 9638457013, 276 clinicians

TmconeGroup PAC ID 9234604877, 60 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tucson Medical Center Hospital, Tucson, AZ, CCN 030006
• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114
• Northwest Medical Center Hospital, Tucson, AZ, CCN 030085

Merit-based Incentive Payment System (MIPS)

Final score

88.8 of 100Reported as apm

Quality

77.6

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mark.lin.1@1576.direct.athenahealth.com

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.

• TMC Medical Network

  • Multi-Specialty Clinic/Center
  • Tucson, AZ
  • NPI 1750832283
  Medicare reassignment Care Compare group NPD
• Northwest Allied Physicians LLC

  • General Practice Physician
  • Tucson, AZ
  • NPI 1003833179

  Internal Medicine

  Medicare reassignment NPD
• Tmcone

  • Multi-Specialty Clinic/Center
  • Tucson, AZ
  • NPI 1467310417
  Care Compare group
• Northwest Allied Physicians, LLC

  • Durable Medical Equipment & Medical Supplies
  • Oro Valley, AZ
  • NPI 1821302910
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northwest Hospital LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  Care Compare affiliation
• Oro Valley Hospital LLC

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1168992000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1366594749",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5301 E GRANT RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857122805",
            "telephone_number": "520-324-2684"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1396 N WILMOT RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857125132",
            "telephone_number": "520-420-2250"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1521 E Tangerine Rd Ste 123",
            "address_purpose": "LOCATION",
            "city": "Oro Valley",
            "state": "AZ",
            "postal_code": "857556214",
            "country_code": "US",
            "telephone_number": "520-901-6336",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIN",
        "first_name": "MARK",
        "middle_name": "T",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-17",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MO",
            "license": "2008024820",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AZ",
            "license": "42987",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "511460",
            "state": "AZ"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mark.lin.1@1576.direct.athenahealth.com",
            "affiliation": "N",
            "endpointDescription": "AMR Direct Address",
            "address_1": "1521 E Tangerine Rd Ste 123",
            "city": "Oro Valley",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "857556214",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Helen Y Lin, MD
• Howard Lin, M.D.
• Jennifer Lin, M.D.
• Jennifer Lin, PA-C
• Li-Mei Lin, M.D.
• Tanya P Lin, M.D.
• Tzu-En Lin, DO
• Lina a Rosin MSN NP PLLC
• Kirsten Linaker, DMD
• Matthew Forte Linaker, DDS

• Gastroenterology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Gastroenterology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.