Eloy Zamarron, M.D.
NPI 1336227867 · Family Medicine Physician · Laredo, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eloy Zamarron, M.D. is a Family Medicine Physician provider in Laredo, TX (NPI 1336227867).
Provider details
- NPI number
- 1336227867
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- J5958 (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
19 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
1,230 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 299 | $121 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 103 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 103 | $13 |
| Liver Function Blood Test Panel80076 | 101 | $8 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 96 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 351 | 115 |
| Pioglitazone Hcl | 279 | 84 |
| Metformin Hcl | 249 | 76 |
| Levothyroxine Sodium | 204 | 62 |
| Losartan Potassium | 196 | 60 |
| Amlodipine Besylate | 173 | 52 |
| Alendronate Sodium | 141 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$255 across 3 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
- 2006-11-01
- Last updated
- 2016-01-11
Frequently asked questions
- What is Eloy Zamarron's NPI number?
- Eloy Zamarron's National Provider Identifier (NPI) is 1336227867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eloy Zamarron's specialty?
- Eloy Zamarron is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eloy Zamarron located?
- Eloy Zamarron's practice location on file with NPPES is 6801 Mcpherson Rd, Laredo, TX 78041-6402.
- What is Eloy Zamarron's phone number?
- The practice phone number listed in the NPPES registry for Eloy Zamarron is (956) 728-0323.
- Does Eloy Zamarron accept Medicare?
- Eloy Zamarron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eloy Zamarron's NPI active?
- Yes — Eloy Zamarron's NPI (1336227867) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.