IGOR EVAN MATWIJIW (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1114911369
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
661 ENDOCRINOLOGY in TX
Provider Addresses for IGOR EVAN MATWIJIW (M.D.)
2602 SAINT MICHAEL DR STE 201B
TEXARKANA, TX 755032320
Phone: (903) 614-5530
Type: Location
2604, Saint Michael Drive, Texarkana, Bowie County, Texas, 75503, United States
STE 310
TEXARKANA, TX 755032373
Phone: (903) 614-5530
Fax: (903) 614-5535
Type: Location
2604 St Michael Dr
Ste 310
Texarkana, TX 755032373
Phone: (903) 614-5530
Fax: (903) 614-5535
Type: Location
919 HIDDEN RDG
IRVING, TX 750383813
Phone: (469) 282-2711
Fax: (469) 282-0996
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $167.
Total Amount is formed as General ($167) + Research ($0) + Ownership ($0) = $167.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Novo Nordisk Inc ($85).
Total Amount
$167
General + Research + Ownership
Payments
10
Total payment records
General Amount
$167
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-08-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100805000679 | I | Endocrinology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 538 | 413 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 509 | 373 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 93 | 93 | $0 |
| 83036 | Hemoglobin a1c level | 32 | 32 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 29 | 29 | $0 |
Insurance plans in this area (ZIP 75503)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | AZ | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| E N D O C R I N O L O G Y | TX | |
| Nurse Practitioner | IL | |
| - | NC | |
| Physician Assistant | LA | |
| Hospitalist, Gastroenterology | TX |
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