Mark W Sij, DO - Medicare Internal Medicine in Kaufman, TX

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Mark W Sij, DO is a medicare enrolled "Internal Medicine" physician in Kaufman, Texas. He went to University Of North Texas Hsc, College Of Osteopathic Med and graduated in 1998 and has 28 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Texas Health Physicians Group and his current practice location is 874 Ed Hall Dr Ste B-108, Kaufman, Texas. You can reach out to his office (for appointments etc.) via phone at (972) 932-5555.

Mark W Sij is licensed to practice in Texas (license number K9421) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1396705919.

Contact Information

Mark W Sij, DO
874 Ed Hall Dr Ste B-108,
Kaufman, TX 75142-1861
(972) 932-5555
(972) 932-5557

Map and Direction




Physician's Profile

Full NameMark W Sij
GenderMale
SpecialityInternal Medicine
Experience28 Years
Location874 Ed Hall Dr Ste B-108, Kaufman, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark W Sij attended and graduated from University Of North Texas Hsc, College Of Osteopathic Med in 1998
  NPI Data:
  • NPI Number: 1396705919
  • Provider Enumeration Date: 03/27/2006
  • Last Update Date: 08/05/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 8426115056
  • Enrollment ID: I20090325000516

Medical Identifiers

Medical identifiers for Mark W Sij such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396705919NPI-NPPES
045766504MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine K9421 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Your Health Team LlcKaufman, TXHome health agency
Angels Care Home HealthRoyse city, TXHome health agency
American Home CareTerrell, TXHome health agency
Always Accurate Home Healthcare And Hospice LlcKaufman, TXHospice
Texas Health Presbyterian Hospital KaufmanKaufman, TXHospital
Texas Health Presbyterian Hospital DallasDallas, TXHospital
Ut Health East Texas Athens HospitalAthens, TXHospital
Texas Health Presbyterian Hospital RockwallRockwall, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Health Physicians Group43855359541364

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark W Sij allows following entities to bill medicare on his behalf.
Entity NameTexas Health Physicians Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174573596
PECOS PAC ID: 4385535954
Enrollment ID: O20040323000759

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark W Sij is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark W Sij, DO
874 Ed Hall Dr Ste B-108,
Kaufman, TX 75142-1861

Ph: (972) 932-5555		Mark W Sij, DO
874 Ed Hall Dr Ste B-108,
Kaufman, TX 75142-1861

Ph: (972) 932-5555

Reviews and Comments


Internal Medicine Doctors in Kaufman, TX

Dr. Precious Ndukwe, MD
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 850 Ed Hall Dr, Kaufman, TX 75142
Phone: 972-932-7349    Fax: 972-932-5557
Stephen R Mcmahon, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 850 Ed Hall Dr, Kaufman, TX 75142
Phone: 972-932-7349    Fax: 972-932-7273
Dr. Anantha Chentha, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 500 S Washington St, Kaufman, TX 75142
Phone: 214-666-6259    
Mrs. Olubunmi Mary Akharume, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 850 Ed Hall Dr, Kaufman, TX 75142
Phone: 972-932-7200    
Saima Zafar, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2801 Millennium Dr Ste B&c, Kaufman, TX 75142
Phone: 972-962-2000    Fax: 972-962-0245
Dr. Prabha Mohan, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 709 W Highway 243, Suite-c, Kaufman, TX 75142
Phone: 972-932-2000    Fax: 972-932-0316
Duhwan Kang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 850 Ed Hall Dr, Kaufman, TX 75142
Phone: 972-932-7349    Fax: 972-932-5557

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.