DR. TIM T ISSAC (M.D.) – Cardiovascular Disease Physician, NPI 1013116805
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,430 CARDIOVASCULAR DISEASE (CARDIOLOGY) in TX
Provider Addresses for DR. TIM T ISSAC (M.D.)
1018 E Wheatland Rd
Duncanville, TX 751164914
Phone: (469) 513-2666
Fax: (469) 513-2667
Type: Location
1018, East Wheatland Road, Duncanville, Dallas County, Texas, 75237, United States
DUNCANVILLE, TX 751164914
Phone: (469) 513-2666
Fax: (469) 513-2667
Type: Location
8144, Walnut Hill Lane, Dallas, Dallas County, Texas, 75231, United States
STE 450
DALLAS, TX 752314388
Phone: (469) 513-2666
Fax: (469) 513-2667
Type: Mailing
3650 W WHEATLAND RD STE C
DALLAS, TX 752374409
Phone: (469) 513-2666
Fax: (469) 513-2667
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 187 Open Payments records for all available years, with a total value of $5,624.
Total Amount is formed as General ($5,624) + Research ($0) + Ownership ($0) = $5,624.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Medtronic, Inc. ($832).
Total Amount
$5,624
General + Research + Ownership
Payments
187
Total payment records
General Amount
$5,624
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $832 |
| Abbott Laboratories | $667 |
| Merck Sharp & Dohme LLC | $473 |
| Shockwave Medical, Inc | $280 |
| Boston Scientific Corporation | $242 |
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: 2011-11-16
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 |
|---|---|---|---|---|
| I20111116000835 | I | Cardiovascular Disease (Cardiology) | 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 | 721 | 341 | $0 |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 490 | 94 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 490 | 94 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 216 | 54 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 213 | 64 | $0 |
Insurance plans in this area (ZIP 75116)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TX | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 20 | 19 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TX | 85610 | Blood test, clotting time | 48 | 16 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TX | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 62 | 61 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| - | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Nurse Practitioner | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Cardiovascular Disease (Cardiology) | TX |
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