MARK W SIJ D.O.
NPI 1396705919
Internal Medicine in Kaufman, TX

Active since March 27, 2006PECOS EnrolledAccepts Medicare Assignment
874 ED HALL DR STE B-108, KAUFMAN, TX 75142(972) 932-5555(972) 932-5557 Get Directions Write a Review

NPPES record last updated: August 5, 2011. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mark W Sij D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK W SIJ D.O. (NPI 1396705919) is an individual internal medicine provider in Kaufman, Texas, licensed in Texas (K9421) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Kaufman, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (1998).

NPPES Registry Identity

NPI1396705919
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK W SIJCredential: D.O.
Location Address874 ED HALL DR STE B-108Kaufman, TX 75142-1861
Mailing Address874 Ed Hall Dr Ste B-108Kaufman, TX 75142-1861 · (972) 932-5555 · Fax (972) 932-5557
Fax(972) 932-5557
Sole ProprietorNo
Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 1998
Enumeration DateMarch 27, 2006
Last NPPES UpdateAugust 5, 2011
NPI 1396705919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · K9421
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
874 ED HALL DR STE B-108, Kaufman, TX 75142

Other Identifiers 3

Medicare UPINH10984TX
Medicare PIN8L9891TX
Medicaid045766504TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark W Sij D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426115056
PECOS Enrollment IDI20090325000516
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
1,217 services775 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
572 services241 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
162 services40 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
87 services83 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
84 services80 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
68 services17 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Texas Health Presbyterian Hospital Kaufman

Acute Care Hospitals · Kaufman, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number450292
Location850 Ed HallKaufman, TX 75142 · Kaufman County
Emergency services

Ut Health East Texas Athens Hospital

Acute Care Hospitals · Athens, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450389
Location2000 South Palestine StAthens, TX 75751 · Henderson County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Dallas

Acute Care Hospitals · Dallas, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450462
Location8200 Walnut Hill LaneDallas, TX 75231 · Dallas County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Rockwall

Acute Care Hospitals · Rockwall, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670044
Location3150 Horizon RoadRockwall, TX 75032 · Rockwall County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75142 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 16

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers67 claims176 services$6.28 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
2 suppliers17 claims17 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers19 claims32 services$1.16 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers16 claims32 services$1.15 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers11 claims11 services$70.14 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
6 suppliers11 claims11 services$18.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
874 ED HALL DR STE B-108
KAUFMAN, TX 75142
Family Medicine
874 ED HALL DR STE B-108
KAUFMAN, TX 75142

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Sij's NPI number?

The NPI number for Mark Sij is 1396705919. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Where is Mark Sij located?

Mark Sij practices at 874 Ed Hall Dr Ste B-108, Kaufman, TX 75142. The listed phone number is (972) 932-5555.

What is Mark Sij's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Sij enrolled in Medicare?

Yes. Mark Sij is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Sij accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Mark Sij as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Sij affiliated with any hospitals?

According to CMS data, Mark Sij is affiliated with Texas Health Presbyterian Hospital Kaufman, Ut Health East Texas Athens Hospital, Texas Health Presbyterian Hospital Dallas and Texas Health Presbyterian Hospital Rockwall.

When was this NPI record last updated?

The NPPES record for Mark Sij was last updated on August 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.