Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Hassan Mehmood Lak, MD

Individual provider Cardiovascular Disease Physician · NPI 1295212025

Hassan Mehmood Lak, MD practises Internal Medicine in Canton, Ohio. Qualified in 2016, 10 years ago. Practices with Hospitalist Medicine Physicians of Ohio, Professional Corporation, a 164-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
10
Licensed in
OH
In the registry since
2018
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2600 6th St SW
Canton, OH 44710-1702
Phone: (330) 454-8076
Fax: (330) 454-3927
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 18101 Lorain Ave, Cleveland, OH 44111-5612 — (216) 476-7000
  • 9500 Euclid Ave # J2-3, Cleveland, OH 44195-5612 — (216) 444-6474

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35.140229 (OH)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 35.140229 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 57.245537 (OH)
General Acute Care Hospital Taxonomy 282N00000X · Licence 35.140229 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 35.140229 (OH)

Record details

NPI number1295212025
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 24, 2018
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Hospitalist Medicine Physicians Of Ohio, Professional Corporation — 164 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients95
Services billed 97 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Education $236 1 payment · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Hospitalist Medicine Physicians of Ohio, Professional Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 164 clinicians in the practice; 12 are shown here.

Other providers in Canton