GARY P ENGSTROM (MD) – Hematology & Oncology Physician, NPI 1336149731
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
770 MEDICAL ONCOLOGY in TX
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Provider Addresses for GARY P ENGSTROM (MD)
5002, Cowhorn Creek Road, Texarkana, Bowie County, Texas, 75503, United States
TEXARKANA, TX 755039766
Phone: (903) 614-3000
Fax: (903) 614-3525
Type: Mailing
5002 Cowhorn Creek Rd Ste 3205
Texarkana, TX 755039766
Phone: (903) 614-8500
Type: Location
2602 Saint Michael Dr Ste 202
Texarkana, TX 755035221
Phone: (903) 614-5480
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 174 Open Payments records for all available years, with a total value of $3,461.
Total Amount is formed as General ($3,461) + Research ($0) + Ownership ($0) = $3,461.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($281).
Total Amount
$3,461
General + Research + Ownership
Payments
174
Total payment records
General Amount
$3,461
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $281 |
| Novartis Pharmaceuticals Corporation | $265 |
| Merck Sharp & Dohme LLC | $167 |
| PFIZER INC. | $131 |
| Amgen Inc. | $118 |
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: 2009-12-29
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 |
|---|---|---|---|---|
| I20091229000518 | I | Medical Oncology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 389 | 139 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 375 | 270 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 53 | 53 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 16 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 75503)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | TX | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 49 | 13 |
| INTERNAL MEDICINE | TX | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 439 | 79 |
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 |
Reviews
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