Tony Issac, MD
NPI 1447440912 · Nephrology Physician · Temple, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tony Issac, MD is a Nephrology Physician provider in Temple, TX (NPI 1447440912).
Provider details
- NPI number
- 1447440912
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P0409 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
905 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 270 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 231 | $92 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 108 | $334 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 84 | $336 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 74 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Torsemide | 106 | 36 |
| Losartan Potassium | 99 | 38 |
| Amlodipine Besylate | 90 | 29 |
| Carvedilol | 78 | 29 |
| Allopurinol | 75 | 20 |
| Lisinopril | 50 | 21 |
| Sevelamer Carbonate | 47 | 20 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$490 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-30
- Last updated
- 2021-12-22
- Certified
- 2021-12-22
Frequently asked questions
- What is Tony Issac's NPI number?
- Tony Issac's National Provider Identifier (NPI) is 1447440912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tony Issac's specialty?
- Tony Issac is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Tony Issac located?
- Tony Issac's practice location on file with NPPES is 2401 S 31st St, Temple, TX 76508-0001.
- What is Tony Issac's phone number?
- The practice phone number listed in the NPPES registry for Tony Issac is (254) 724-2111.
- Does Tony Issac accept Medicare?
- Tony Issac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tony Issac's NPI active?
- Yes — Tony Issac's NPI (1447440912) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.