Mariano Gonzalez Diez, MD
NPI 1295713055 · Otolaryngology Physician · Arecibo, PR
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariano Gonzalez Diez, MD is a Otolaryngology Physician provider in Arecibo, PR (NPI 1295713055).
Provider details
- NPI number
- 1295713055
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 8699 (PR)
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
20 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
109 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) |
|---|---|---|
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 40 | $183 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $89 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 27 | $109 |
| Removal of Impacted Ear Wax69210 | 11 | $26 |
Typical Medicare-allowed amounts for these services range $26–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Fluticasone Propionate | 1,370 | 742 |
| Famotidine | 280 | 217 |
| Fluocinolone Acetonide Oil | 271 | 244 |
| Azelastine Hcl | 259 | 130 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 179 | 163 |
| Pantoprazole Sodium | 177 | 152 |
| Ipratropium Bromide | 167 | 110 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$95 across 4 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
- 2006-01-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mariano Gonzalez Diez's NPI number?
- Mariano Gonzalez Diez's National Provider Identifier (NPI) is 1295713055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariano Gonzalez Diez's specialty?
- Mariano Gonzalez Diez is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariano Gonzalez Diez located?
- Mariano Gonzalez Diez's practice location on file with NPPES is Ave Miramar #540, Arecibo, PR 00612.
- What is Mariano Gonzalez Diez's phone number?
- The practice phone number listed in the NPPES registry for Mariano Gonzalez Diez is (787) 880-5031.
- Does Mariano Gonzalez Diez accept Medicare?
- Mariano Gonzalez Diez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariano Gonzalez Diez's NPI active?
- Yes — Mariano Gonzalez Diez's NPI (1295713055) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.