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- 351 Ave Hostos, Medical Emporium Suite 309, Mayaguez, PR 00680
About Dr. Gonzalez Diaz
Merbil Gonzalez Diaz, M.D. practices neurology in Mayaguez, PR. Merbil is a 1994 graduate of University of Puerto Rico School of Medicine. According to Medicare claims data, Merbil cared for 168 Medicare patients across 244 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, needle measurement of electrical activity in arm or leg muscles, complete study, and office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional. The provider's National Provider Identifier (NPI) is 1902878614.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (787) 805-7319
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
351 AVE HOSTOS MEDICAL EMPORIUM SUITE 309
Mayaguez, PR 00680
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Brain & memory
Specialized neurologic care
- Neurogenetic disorders
Spine, brain injury, and functional
- Functional neurological disorder
- Spinal cord disorders
- Bell's palsy
- Concussion
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
- Essential tremor
- Huntington's disease
- Restless legs syndrome
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
- Functional seizures
Stroke and vascular
Brain & Spine
Brain tumors
- Brain Tumor Symptoms
Head & Facial Pain
Memory & Cognitive
- Normal Pressure Hydrocephalus
Movement Disorders
- Balance Problems and Ataxia
- Stiff neck
- Stiff Person Syndrome
- Tourette Syndrome and Tics
Nerve Compression
Sleep & Movement
- Narcolepsy
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
- Responsive neurostimulation programming
- Vagus nerve stimulation programming
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
- Dementia Behavior Support Coaching
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
- Botox for migraines
- EEG
- EMG
- Nerve block
- Sleep study
Consultations & Exams
- Neurological Second Opinion
- Spasticity Assessment and Treatment
- Stroke Risk Evaluation
Consultations and exams
- Neurological Exam and Consultation
Device management
- Deep Brain Stimulation Adjustment
- Responsive Neurostimulator Programming
Infusion and medical therapies
- Neurology Infusion Therapy
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
- Baclofen Pump Programming and Refills
- Vagus nerve stimulation management
Trauma & Injury
- Concussion Evaluation and Baseline Testing
- Concussion Return-to-Play Clearance
Procedures Most Often Billed to Medicare
244 services · 168 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
54 | As often as other peers in Neurology |
| Nerve conduction, 5-6 studies | Treatment | 95909 |
15 | Less often than most peers in Neurology |
| Complete ultrasound of within the brain blood flow | Treatment | 93886 |
15 | Less often than most peers in Neurology |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
15 | Less often than most peers in Neurology |
| Nerve conduction, 7-8 studies | Treatment | 95910 |
12 | Less often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
12 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
61 | As often as other peers in Neurology |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
43 | As often as other peers in Neurology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | As often as other peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Mayaguez 4
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at University of Puerto Rico School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Needle measurement of electrical activity in arm or leg muscles, complete study 1
Providers in PR who bill this service to Medicare most often.
Common questions
What does Merbil Gonzalez Diaz specialize in?
Merbil Gonzalez Diaz is a neurologist in Mayaguez, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Merbil Gonzalez Diaz located?
Merbil Gonzalez Diaz is listed at 351 Ave Hostos Medical Emporium Suite 309, Mayaguez, PR 00680. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Merbil Gonzalez Diaz's phone number?
The number on file is (787) 805-7319. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Merbil Gonzalez Diaz's NPI number?
Merbil Gonzalez Diaz's National Provider Identifier is 1902878614. 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
Where did Merbil Gonzalez Diaz train?
Merbil Gonzalez Diaz attended University of Puerto Rico School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Merbil Gonzalez Diaz been practicing?
Merbil Gonzalez Diaz has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Merbil Gonzalez Diaz do most often?
According to Medicare billing data, Merbil Gonzalez Diaz provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study and nerve conduction, 5-6 studies, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Merbil Gonzalez Diaz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Merbil Gonzalez Diaz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.