Mariano E. Gonzalez Diez, MD practices otolaryngology in Arecibo, PR. Mariano is a 1985 graduate of University of Puerto Rico School of Medicine. Mariano is also listed as specializing in otolaryngology (ent). Medicare claims data shows Mariano provided 109 services to 93 patients. The services billed most often include diagnostic exam of nasal passages using an endoscope, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1295713055.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
AVE MIRAMAR #540 SUITE #3
Arecibo, PR 00612
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Cancer
Head & Neck
Throat & Voice
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
109 services · 93 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
40 | As often as other peers in Otolaryngology |
| Removal of impacted ear wax | Procedure | 69210 |
11 | Less often than most peers in Otolaryngology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 | Less often than most peers in Otolaryngology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
27 | Less often than most peers in Otolaryngology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Gonzalez Diez is an ENT doctor in Arecibo, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Otolaryngology”.
NPI registry
Dr. Gonzalez Diez is listed at Ave Miramar #540 Suite #3, Arecibo, PR 00612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (787) 880-5031. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Gonzalez Diez's National Provider Identifier is 1295713055. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Gonzalez Diez attended University of Puerto Rico School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Gonzalez Diez has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Gonzalez Diez performs procedures including diagnostic exam of nasal passages using an endoscope and removal of impacted ear wax, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gonzalez Diez. If this is you, claiming it is free.
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