Physician Profile
Gishlaine Alfonso, MD practices neurology in Hato Rey, PR. Gishlaine is a 1986 graduate of University of Puerto Rico School of Medicine. Medicare claims data shows Gishlaine provided 58 services to 40 patients. 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 and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1053374975.
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.
CLINICA LAS AMERICAS SUITE 402 ROOSEVELT AVE. #400
Hato Rey, PR 00918
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.
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
Infusion and medical therapies
Infusions & Therapies
Injections & Pain Relief
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
58 services · 40 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 | As often as other peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Alfonso is a neurologist in Hato Rey, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Dr. Alfonso is listed at Clinica Las Americas Suite 402 Roosevelt Ave. #400, Hato Rey, PR 00918. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (787) 767-2248. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Alfonso's National Provider Identifier is 1053374975. 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. Alfonso attended University of Puerto Rico School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Alfonso has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Alfonso the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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. Alfonso. If this is you, claiming it is free.
Guide.md
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