Gishlaine Alfonso, MD
Neurology Physician · Hato Rey, PR
Gishlaine Alfonso, MD is a neurology physician with a practice address in Hato Rey, Puerto Rico, and NPI 1053374975, issued on Apr 11, 2006. Check the license (Puerto Rico 9986, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gishlaine Alfonso
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 9986 PR
Self-reported in NPPES; status is on the state search - Practice location
- Clinica Las Americas Suite 402, Hato Rey, PR 00918
- Phone
- (787) 767-2248
- Enumerated
- Apr 11, 2006
- Record last updated
- Jan 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (787) 766-3219
- Medicare enrollment
- Enrolled (PECOS I20060706000124); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 122 in Puerto Rico → Look up another NPI →
Verify Gishlaine Alfonso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 9986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average neurology physician in 2024
1,934 Medicare Part D claims for 229 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Pyridostigmine Bromide190 claims
- Prednisone129 claims
- Gabapentin121 claims
- Galantamine Er107 claims
- Memantine Hcl106 claims
- Riluzole73 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $19,818.54
61 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Recinto DE Ciencias MedicasRio Piedras, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gishlaine Alfonso among 122 neurology physician records in Puerto Rico
Gishlaine Alfonso, MD is one of 122 neurology physician records with a practice address in Puerto Rico. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 52% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1986 · median 1998 among the 86 with a school on file
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Puerto Rico
There are 122 neurology physician records in Puerto Rico.
All 122 in Puerto Rico → Every provider in Hato Rey → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Heriberto Acosta, M.D.San Juan, PR 009181194895045
- Ricardo Alvarado-Melendez, M.D.San Juan, PR 009181679776348
- Edgardo Colon-Zavala, M.D.San Juan, PR 009181730382573
- Ivonne De L Fraga Berrios, MDSan Juan, PR 009181033116264
- Carlos Luciano-Roman, M.D.San Juan, PR 009181699820431
- Juan Moreira, M.D.San Juan, PR 009181619032356
- Irelis Ramirez, MDHato Rey, PR 009181851374060
- Karina Rodriguez-Juan, MDSan Juan, PR 009181730381443
Common questions
What is Gishlaine Alfonso, MD's NPI number?
Gishlaine Alfonso, MD's National Provider Identifier (NPI) is 1053374975, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gishlaine Alfonso, MD located?
The NPPES record lists a practice address at Clinica Las Americas Suite 402, Hato Rey, PR, 00918. Phone: (787) 767-2248. Providers update this record themselves, so call before visiting.
How can I verify Gishlaine Alfonso, MD's license?
NPPES lists Puerto Rico license number 9986, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Gishlaine Alfonso, MD prescribe under Medicare Part D?
In 2024, Gishlaine Alfonso, MD had 1,934 Medicare Part D claims for 229 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.