Tareq Issa Nassar, MD
NPI 1457630790 · Nephrology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tareq Issa Nassar, MD is a Nephrology Physician provider in San Antonio, TX (NPI 1457630790).
Provider details
- NPI number
- 1457630790
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q6884 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
234 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 62 | $79 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 52 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $95 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 42 | $118 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $131 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Torsemide | 33 | 11 |
| Furosemide | 23 | — |
| Epoetin Alfabrand: Procrit | 22 | — |
| Tenapanor Hclbrand: Xphozah | 22 | — |
| Losartan Potassium | 18 | — |
| Darbepoetin Alfa in Polysorbatbrand: Aranesp | 16 | — |
| Amlodipine Besylate | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-04
- Last updated
- 2016-09-21
Frequently asked questions
- What is Tareq Issa Nassar's NPI number?
- Tareq Issa Nassar's National Provider Identifier (NPI) is 1457630790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tareq Issa Nassar's specialty?
- Tareq Issa Nassar is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Tareq Issa Nassar located?
- Tareq Issa Nassar's practice location on file with NPPES is 701 S Zarzamora St, San Antonio, TX 78207-5209.
- What is Tareq Issa Nassar's phone number?
- The practice phone number listed in the NPPES registry for Tareq Issa Nassar is (210) 358-7578.
- Does Tareq Issa Nassar accept Medicare?
- Tareq Issa Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tareq Issa Nassar's NPI active?
- Yes — Tareq Issa Nassar's NPI (1457630790) is active in the NPPES registry as of the last update on 2016-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.