Joaquin Fernandez, MD
Geriatric Medicine (Family Medicine) Physician · San Juan, PR
Joaquin Fernandez, MD is a geriatric medicine (family medicine) physician with a practice address in San Juan, Puerto Rico, and NPI 1376665190, issued on Apr 4, 2007. Check the license (Puerto Rico 9102, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joaquin Fernandez
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- 9102 PR
Self-reported in NPPES; status is on the state search - Practice location
- 138 Ave Winston Churchill, San Juan, PR 00926
- Phone
- (787) 999-6200
- Enumerated
- Apr 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 999-6210
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 64 in Puerto Rico → Look up another NPI →
Also registered at 138 Ave Winston Churchill
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celimar Collado, RDNRegistered Dietitian1437622636
- Norma Devarie, MDSpecialist1205812492
- Benjamin Pagan, M.D.Personal Emergency Response Attendant1497963763
- Ariane VazquezSpecialist1558399667
Verify Joaquin Fernandez 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 9102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
11 Medicare Part D claims, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Joaquin Fernandez among 64 geriatric medicine (family medicine) physician records in Puerto Rico
Joaquin Fernandez, MD is one of 64 geriatric medicine (family medicine) physician records with a practice address in Puerto Rico. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 59% of them.
- NPI issued2007 · 59% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Puerto Rico
There are 64 geriatric medicine (family medicine) physician records in Puerto Rico.
All 64 in Puerto Rico → Every provider in San Juan → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Carmen Marrero, MDSan Juan, PR 009261992787048
- Maritza Trinidad Reyes, MDRio Piedras, PR 009261265456040
- Maria Alonso, M.D.San Juan, PR 009211912921172
- Carlos Cestero, M.DSan Juan, PR 009211619299583
- Vilma Cora, MDRio Piedras, PR 009211104868439
- Gema Hernandez, M.D.San Juan, PR 009211780014910
- Carmen Izquierdo, M.D.San Juan, PR 009211134536980
- Carmen Lozada, MDSan Juan, PR 009211104879550
Common questions
What is Joaquin Fernandez, MD's NPI number?
Joaquin Fernandez, MD's National Provider Identifier (NPI) is 1376665190, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joaquin Fernandez, MD located?
The NPPES record lists a practice address at 138 Ave Winston Churchill, San Juan, PR, 00926. Phone: (787) 999-6200. Providers update this record themselves, so call before visiting.
How can I verify Joaquin Fernandez, MD's license?
NPPES lists Puerto Rico license number 9102, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Joaquin Fernandez, MD prescribe under Medicare Part D?
In 2024, Joaquin Fernandez, MD had 11 Medicare Part D claims; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.