Active NPI 1396705919 Individual Practitioner Male Practitioner

Dr. Mark W Sij , DO

Internal Medicine • Kaufman, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mark Sij, DO is a certified Internal Medicine practicing in Kaufman, TX. With approximately 28 years of clinical experience since graduating from University Of North Texas Hsc, College Of Osteopathic Med in 1998, Dr. Sij delivers high-quality medical care to the local community at 874 ED HALL DR STE B-108.

Dr. Sij is affiliated with Texas Health Physicians Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

874 Ed Hall Dr Ste B-108

Kaufman, TX 751421861

Telephone 9729325555

Fax 9729325557

Medicare Profile & Education

Medical School

University Of North Texas Hsc, College Of Osteopathic Med

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Kaufman, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs +1.7 yrs vs City Avg

City Avg: 26.3 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

9 Specialists

Practicing in Kaufman, TX (9538 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

64.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sij (28 Years) 28 Yrs

Kaufman Specialty Average (26.3 Years) 26.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1010 Injection, methylprednisolone acetate, 1 mg	3,770	38	$0.31	$0.13
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,217	775	$28.00	$7.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	572	241	$323.00	$121.73
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	494	231	$18.00	$15.62
G0179 Physician 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 to affirm the initial imp	162	40	$128.00	$39.76
G0008 Administration of influenza virus vaccine	87	83	$60.00	$31.03
90662 Influenza vaccine split virus, preservative free	84	80	$93.71	$81.11
J0696 Injection, ceftriaxone sodium, per 250 mg	68	17	$3.00	$0.46
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	60	38	$73.00	$13.61
20610 Aspiration and/or injection of fluid from large joint	43	28	$247.63	$59.03
81003 Automated urinalysis test	39	31	$10.00	$2.20
G0180 Physician or allowed practitioner 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 and	29	27	$167.00	$49.96
80305 Testing for presence of drug, read by direct observation	23	19	$38.00	$12.35
J1040 Injection, methylprednisolone acetate, 80 mg	22	21	$21.55	$9.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$500.00	$151.43
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$218.00	$86.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,145	761	$28.00	$7.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	621	261	$323.00	$121.42
G0179 Physician 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 to affirm the initial imp	171	48	$128.00	$39.56
90662 Influenza vaccine split virus, preservative free	95	95	$90.00	$71.72
G0008 Administration of influenza virus vaccine	94	94	$60.00	$29.53
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	70	40	$73.00	$12.97
J1040 Injection, methylprednisolone acetate, 80 mg	69	41	$20.04	$11.47
J0696 Injection, ceftriaxone sodium, per 250 mg	64	12	$3.00	$0.51
20610 Aspiration and/or injection of fluid from large joint	39	20	$266.82	$56.38
G0180 Physician or allowed practitioner 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 and	32	29	$167.00	$50.00
99213 Established patient office or other outpatient visit, typically 15 minutes	31	29	$218.00	$83.20
81003 Automated urinalysis test	29	18	$10.00	$2.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$500.00	$155.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,365	872	$28.00	$7.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	681	277	$323.00	$123.54
J1100 Injection, dexamethasone sodium phosphate, 1 mg	290	25	$0.34	$0.12
G0179 Physician 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 to affirm the initial imp	189	46	$128.00	$39.45
G0008 Administration of influenza virus vaccine	96	95	$60.00	$28.44
90662 Influenza vaccine split virus, preservative free	92	91	$90.00	$67.65
J0696 Injection, ceftriaxone sodium, per 250 mg	60	15	$3.00	$0.50
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	50	37	$73.00	$13.90
20610 Aspiration and/or injection of fluid from large joint	35	26	$255.83	$61.56
J1040 Injection, methylprednisolone acetate, 80 mg	33	27	$18.44	$10.77
G0180 Physician or allowed practitioner 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 and	30	30	$167.00	$51.20
99213 Established patient office or other outpatient visit, typically 15 minutes	27	22	$218.00	$84.81
81003 Automated urinalysis test	25	20	$10.00	$2.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$500.00	$162.03
93000 Routine ekg using at least 12 leads including interpretation and report	19	18	$65.00	$13.03
G0009 Administration of pneumococcal vaccine	11	11	$60.00	$28.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,190	790	$28.00	$8.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	780	299	$323.00	$125.74
G0179 Physician 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 to affirm the initial imp	168	49	$128.00	$39.84
G0008 Administration of influenza virus vaccine	124	123	$60.00	$16.49
90662 Influenza vaccine split virus, preservative free	116	115	$90.00	$65.22
J1040 Injection, methylprednisolone acetate, 80 mg	76	44	$20.43	$10.35
20610 Aspiration and/or injection of fluid from large joint	62	26	$249.81	$54.68
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	61	43	$73.00	$13.57
99213 Established patient office or other outpatient visit, typically 15 minutes	36	29	$218.00	$87.27
81003 Automated urinalysis test	30	25	$10.00	$2.25
G0180 Physician or allowed practitioner 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 and	30	28	$167.00	$51.39
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	26	23	$28.00	$8.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$500.00	$163.39
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$65.00	$14.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,353	875	$28.00	$8.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	768	318	$323.00	$105.12
G0179 Physician 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 to affirm the initial imp	155	49	$128.00	$39.77
G0008 Administration of influenza virus vaccine	143	140	$60.00	$16.22
90662 Influenza vaccine split virus, preservative free	130	128	$90.00	$59.76
J1040 Injection, methylprednisolone acetate, 80 mg	116	57	$19.91	$11.26
20610 Aspiration and/or injection of fluid from large joint	115	36	$265.15	$54.38
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	87	37	$73.00	$13.70
99213 Established patient office or other outpatient visit, typically 15 minutes	67	56	$218.00	$73.03
G0009 Administration of pneumococcal vaccine	38	38	$60.00	$16.17
G0180 Physician or allowed practitioner 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 and	34	33	$167.00	$51.86
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	30	30	$204.00	$110.86
81003 Automated urinalysis test	27	23	$10.00	$2.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$500.00	$160.19
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	15	14	$57.00	$19.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	971	363	$323.00	$103.97
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	380	300	$28.00	$8.27
G0179 Physician 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 to affirm the initial imp	187	61	$128.00	$39.50
G0008 Administration of influenza virus vaccine	162	157	$60.00	$15.90
90662 Influenza vaccine split virus, preservative free	147	142	$90.00	$53.61
J1040 Injection, methylprednisolone acetate, 80 mg	113	64	$21.42	$11.69
20610 Aspiration and/or injection of fluid from large joint	85	32	$249.12	$51.58
J0696 Injection, ceftriaxone sodium, per 250 mg	76	16	$2.81	$0.53
G0009 Administration of pneumococcal vaccine	73	73	$60.00	$15.90
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	71	44	$73.00	$15.56
99213 Established patient office or other outpatient visit, typically 15 minutes	54	37	$218.00	$69.54
G0180 Physician or allowed practitioner 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 and	54	49	$167.00	$51.14
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	45	45	$204.00	$105.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$500.00	$155.91
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	39	34	$28.00	$8.30
85610 Blood test, clotting time	34	11	$17.00	$4.28
90670 Pneumococcal vaccine for injection into muscle	32	32	$429.00	$207.58
81003 Automated urinalysis test	29	29	$10.00	$2.44
93000 Routine ekg using at least 12 leads including interpretation and report	28	28	$65.00	$16.29
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	16	15	$57.00	$17.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	959	369	$323.00	$102.80
G0179 Physician 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 to affirm the initial imp	241	75	$128.00	$40.10
G0008 Administration of influenza virus vaccine	229	225	$60.00	$19.42
90662 Influenza vaccine split virus, preservative free	206	202	$90.00	$51.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	123	61	$229.00	$71.14
G0009 Administration of pneumococcal vaccine	112	112	$60.00	$19.51
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	98	88	$28.00	$8.30
J1040 Injection, methylprednisolone acetate, 80 mg	96	58	$27.91	$12.46
20610 Aspiration and/or injection of fluid from large joint	80	33	$293.43	$57.26
J0696 Injection, ceftriaxone sodium, per 250 mg	80	11	$2.14	$0.61
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	71	45	$73.00	$18.53
90670 Pneumococcal vaccine for injection into muscle	62	62	$429.00	$197.07
G0180 Physician or allowed practitioner 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 and	55	46	$167.00	$51.77
99239 Hospital discharge day management, more than 30 minutes	51	49	$340.00	$104.94
93000 Routine ekg using at least 12 leads including interpretation and report	46	45	$65.00	$16.27
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	46	46	$204.00	$103.29
81003 Automated urinalysis test	44	40	$10.00	$2.59
99213 Established patient office or other outpatient visit, typically 15 minutes	42	37	$218.00	$67.10
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	40	35	$28.00	$8.30
85610 Blood test, clotting time	38	11	$17.00	$4.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	33	31	$439.00	$133.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$500.00	$159.43
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	24	24	$57.00	$17.87
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	17	17	$339.00	$112.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	942	385	$287.78	$102.31
G0179 Physician 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 to affirm the initial imp	248	69	$127.34	$39.45
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	212	187	$36.77	$8.21
20610 Aspiration and/or injection of fluid from large joint	197	41	$307.49	$47.04
G0008 Administration of influenza virus vaccine	195	191	$60.23	$23.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	193	85	$217.25	$69.20
90662 Influenza vaccine split virus, preservative free	168	166	$89.54	$47.54
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	152	15	$318.60	$85.06
G0009 Administration of pneumococcal vaccine	112	111	$61.25	$23.70
J1040 Injection, methylprednisolone acetate, 80 mg	106	73	$27.23	$10.89
J0696 Injection, ceftriaxone sodium, per 250 mg	92	22	$23.48	$0.66
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	91	57	$64.78	$23.28
85610 Blood test, clotting time	77	15	$24.47	$5.28
93000 Routine ekg using at least 12 leads including interpretation and report	72	71	$63.40	$16.15
90670 Pneumococcal vaccine for injection into muscle	70	70	$405.43	$179.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	67	56	$381.27	$138.78
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	67	62	$29.25	$8.26
G0180 Physician or allowed practitioner 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 and	53	49	$161.55	$51.37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	46	$404.39	$128.71
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	43	43	$198.33	$94.01
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	40	40	$294.45	$110.49
99239 Hospital discharge day management, more than 30 minutes	33	30	$332.64	$101.38
81003 Automated urinalysis test	31	30	$12.06	$2.92
99213 Established patient office or other outpatient visit, typically 15 minutes	31	28	$190.90	$70.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$439.13	$153.46
99238 Hospital discharge day management, 30 minutes or less	29	29	$195.86	$68.62
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	28	28	$55.18	$18.65
69210 Removal of impacted ear wax	19	17	$213.63	$45.75
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$570.50	$198.22

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX K9421

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

045766504 (TX)

Hospital & Practice Group Affiliations

Texas Health Physicians Group

874 Ed Hall Dr, Kaufman, TX 751421861

Phone: 9729325555

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners

Vanessa Ramsey , APRN, FNP-BC

Nurse Practitioner - Family

NPI 1003678269

Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Dr. Precious Ndukwe , MD

Internal Medicine

NPI 1063153310

Doctor of Medicine (M.D.)

Dr. Asif Masood , MD

Family Medicine

NPI 1194715656

Doctor of Medicine (M.D.)

Dr. Sara Zaleta , MD

Internal Medicine

NPI 1336106913

Doctor of Medicine (M.D.)

Lauren Carrasco , NP

Nurse Practitioner - Family

NPI 1609384965

Nurse Practitioner

Dr. Christian Orji , MD

Family Medicine

NPI 1700172145

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active August 05, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location August 05, 2011

Registered at 874 ED HALL DR STE B-108, KAUFMAN, TX 751421861 (Tel: 9729325555)

📍

Updated Business Mailing Address August 05, 2011

Registered at 874 ED HALL DR STE B-108, KAUFMAN, TX 751421861 (Tel: 9729325555)

👤

Provider Name / Credentials Updated August 05, 2011

Recorded as MARK SIJ, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2011

Internal Medicine (License #K9421 in TX)

🟢

Initial NPI Registration & Enumeration March 27, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1396705919

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 27, 2006

Last Update: August 05, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

874 Ed Hall Dr Ste B-108

Kaufman, TX 751421861

Phone: 9729325555

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.