Alfredo Ramirez, M.D.
Nephrology Physician · Mayaguez, PR
Alfredo Ramirez, M.D. is a nephrology physician with a practice address in Mayaguez, Puerto Rico, and NPI 1528005162, issued on Jun 1, 2006. Check the license (Puerto Rico 12794, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alfredo Ramirez
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 12794 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle Mckinley W, Mayaguez, PR 00680
- Phone
- (787) 805-5435
- Enumerated
- Jun 1, 2006
- Record last updated
- May 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070305000360); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Verify Alfredo Ramirez 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 12794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average nephrology physician in 2024
3,086 Medicare Part D claims for 679 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Farxiga382 claims
- Calcium Acetate291 claims
- Sevelamer Carbonate272 claims
- Losartan Potassium201 claims
- Lanthanum Carbonate138 claims
- Nifedipine Er123 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: $80.46
3 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Alfredo Ramirez among 152 nephrology physician records in Puerto Rico
Alfredo Ramirez, M.D. is one of 152 nephrology physician records with a practice address in Puerto Rico. 92% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 63% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2005 · median 2004 among the 124 with a school on file
- Record last updated2018 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 nephrology physician records list a practice address in Mayaguez
They are 15 of the 1,408 NPPES records with a practice address in Mayaguez, and 152 nephrology physician records in Puerto Rico.
All 152 in Puerto Rico → Every provider in Mayaguez → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dionisio Acosta, MDMayaguez, PR 006801659724615
- Efrain Flores De Hostos, MDMayaguez, PR 006801083710164
- Josean Flores Santiago, MDMayaguez, PR 006801467938795
- Oliver Guerrero Dujarric, MDMayaguez, PR 006801861598039
- William Hurtado-Santiago, MDMayaguez, PR 006801912022310
- Roberto Lebron Rivera, MDMayaguez, PR 006801215033493
- Enrique Lefevre, MDMayaguez, PR 006801588760763
- Gerardo Medina Caban, MDMayaguez, PR 006801003912288
Common questions
What is Alfredo Ramirez, M.D.'s NPI number?
Alfredo Ramirez, M.D.'s National Provider Identifier (NPI) is 1528005162, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfredo Ramirez, M.D. located?
The NPPES record lists a practice address at Calle Mckinley W, Mayaguez, PR, 00680. Phone: (787) 805-5435. Providers update this record themselves, so call before visiting.
How can I verify Alfredo Ramirez, M.D.'s license?
NPPES lists Puerto Rico license number 12794, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alfredo Ramirez, M.D. prescribe under Medicare Part D?
In 2024, Alfredo Ramirez, M.D. had 3,086 Medicare Part D claims for 679 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.