Hassan Mehmood Lak, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.140229 Issued in OH

Practice address

2600 6TH St SW
Canton, OH 44710-1702

Phone

(330) 454-8076

Fax

(330) 454-3927

NPI assigned

Jul 24, 2018

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in OH

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

Internal Medicine

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hospitalist Medicine Physicians of Ohio, Professional CorporationGroup PAC ID 3779749197, 165 clinicians

Hospitalist Medicine Physicians of Richland County, LTDGroup PAC ID 4284538430, 54 clinicians

Ohio Physician Professional CorporationGroup PAC ID 2668406059, 143 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Medical Center Hospital, Canton, OH, CCN 360070
• Akron General Medical Center Hospital, Akron, OH, CCN 360027
• Aultman Hospital Hospital, Canton, OH, CCN 360084

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Hospitalist Medicine Physicians of Ohio, Professional Corporation

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1043572290

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Hospitalist Medicine Physicians of Richland County, LTD

  • Internal Medicine Physician
  • Canton, OH
  • NPI 1639119027

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Ohio Physician Professional Corporation

  • Hospitalist Physician
  • Canton, OH
  • NPI 1417016973

  Single Specialty

  Medicare reassignment Care Compare group NPD

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

• Akron General Medical Center

  • General Acute Care Hospital
  • Akron, OH
  • NPI 1821035940
  Care Compare affiliation
• Aultman Hospital

  • General Acute Care Hospital
  • Canton, OH
  • NPI 1356366991
  Care Compare affiliation
• Cleveland Clinic Mercy Hospital

  • General Acute Care Hospital
  • Canton, OH
  • NPI 1366433195
  Care Compare affiliation

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

{
    "created_epoch": "1532390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758672000000",
    "number": "1295212025",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18101 LORAIN AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441115612",
            "telephone_number": "216-476-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2600 6TH ST SW",
            "city": "CANTON",
            "state": "OH",
            "postal_code": "447101702",
            "telephone_number": "330-454-8076",
            "fax_number": "330-454-3927"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9500 Euclid Ave # J2-3",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441955612",
            "country_code": "US",
            "telephone_number": "216-444-6474",
            "fax_number": "216-444-8050",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18101 Lorain Ave",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441115612",
            "country_code": "US",
            "telephone_number": "216-476-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAK",
        "first_name": "HASSAN MEHMOOD",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-07-24",
        "last_updated": "2025-09-24",
        "certification_date": "2025-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "OH",
            "license": "35.140229",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "57.245537",
            "primary": false
        },
        {
            "code": "282N00000X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital",
            "state": "OH",
            "license": "35.140229",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "OH",
            "license": "35.140229",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.140229",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maria Lafountain
• Louis Mario Laguardia, PMHNP-BC
• Morgan A Lahm, H.A.S.
• Kassidy Tomma Lahna
• Christine Bashour Laird, MD
• Amy C Lakritz, M.D.
• Jacqueline Lambert, CO
• Nasjah Lambert
• Nancy Lambros
• Lamika Transportation LLC

• Internal Medicine Physician in Canton, OH
• Providers in Canton, OH by specialty
• Internal Medicine Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 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.