Doctor profile · Federal record
Dr. Mark Sij, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Kaufman, TX
- NPI 1396705919
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
874 Ed Hall Dr Ste B-108
Kaufman, TX 751421861
(972) 932-5555
fax (972) 932-5557
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 5, 2011
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #K9421
- Medicaid
- TX #045766504
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396705919. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,476
Distinct HCPCS
10
Medicare allowed
$111,361
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,145 | 761 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 621 | 261 | $121 | |
G0179 |
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 | 171 | 48 | $40 | |
90662 |
Influenza vaccine split virus, preservative free | 95 | 95 | $72 | |
G0008 |
Administration of influenza virus vaccine | 94 | 94 | $30 | |
96372 |
Injection of drug or substance under skin or into muscle | 70 | 40 | $13 | |
J1040 |
Injection, methylprednisolone acetate, 80 mg | 69 | 41 | $11 | |
J0696 |
Injection, ceftriaxone sodium, per 250 mg | 64 | 12 | $1 | |
20610 |
Aspiration and/or injection of fluid from large joint | 39 | 20 | $56 | |
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 | $50 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 146. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$2,065
Transactions
103
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 13 | $272.03 | |
| Novo Nordisk Inc | 14 | $248.77 | |
| Astellas Pharma US Inc | 12 | $206.71 | |
| PFIZER INC. | 12 | $195.91 | |
| Lilly USA, LLC | 12 | $186.27 | |
| ABBVIE INC. | 11 | $146.83 | |
| Otsuka America Pharmaceutical, Inc. | 6 | $129.38 | |
| Phathom Pharmaceuticals, Inc. | 5 | $117.87 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $86.93 | |
| Antares Pharma, Inc. | 3 | $50.18 | |
| SANOFI-AVENTIS U.S. LLC | 2 | $49.84 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $42.44 | |
| Amgen Inc. | 2 | $34.90 | |
| Inspire Medical Systems, Inc. | 2 | $31.91 | |
| Currax Pharmaceuticals LLC | 2 | $29.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,960
Patients
1,803
Total drug cost
$103,271
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 830 | 140 | $37,229 |
| Levothyroxine Sodium | Generic | 658 | 175 | $9,914 |
| Atorvastatin Calcium | Generic | 642 | 175 | $8,002 |
| Gabapentin | Generic | 563 | 133 | $10,194 |
| Pantoprazole Sodium | Generic | 541 | 159 | $6,837 |
| Amlodipine Besylate | Generic | 470 | 136 | $3,116 |
| Meloxicam | Generic | 446 | 149 | $2,662 |
| Lisinopril | Generic | 426 | 122 | $3,236 |
| Furosemide | Generic | 388 | 122 | $1,670 |
| Metformin Hcl | Generic | 380 | 101 | $3,205 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Sij's medical specialty?
Dr. Mark Sij practices Internal Medicine Physician in Kaufman, TX.
Where does Dr. Mark Sij practice?
Dr. Mark Sij practices at 874 Ed Hall Dr Ste B-108, Kaufman, TX 751421861. Office phone: 9729325555.
What is Dr. Mark Sij's NPI?
Dr. Mark Sij's National Provider Identifier (NPI) is 1396705919, issued by NPPES.
Does Dr. Mark Sij accept Medicare assignment?
Yes. Dr. Mark Sij accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Sij commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); 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 (HCPCS G0179). Source: CMS Medicare Physician & Other Practitioners file.