Alfred Valdivieso, MD
General Practice Physician · San Juan, PR
Alfred Valdivieso, MD is a general practice physician with a practice address in San Juan, Puerto Rico, and NPI 1811198922, issued on May 29, 2007. Check the license (Puerto Rico 19246, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alfred Valdivieso
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 19246 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1396 Calle San Rafael Ste 15, San Juan, PR 00909
- Phone
- (787) 405-4404
- Enumerated
- May 29, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (939) 715-1061
- Medicaid ID
- 037759400 PR
- Medicare enrollment
- Enrolled (PECOS I20080418000377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Alfred Valdivieso 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 19246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average general practice physician in 2024
7,742 Medicare Part D claims for 511 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 70 claims were for opioids.
Most prescribed
- Gabapentin441 claims
- Atorvastatin Calcium328 claims
- Amlodipine Besylate267 claims
- Metformin Hcl250 claims
- Simvastatin243 claims
- Famotidine237 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: $199.26
5 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 4,259 providers of this specialty with any payment received $1,273.40 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.
Alfred Valdivieso among 4,170 general practice physician records in Puerto Rico
Alfred Valdivieso, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2002 · median 2004 among the 1,228 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
622 general practice physician records list a practice address in San Juan
They are 622 of the 8,960 NPPES records with a practice address in San Juan, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in San Juan → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Onnis Acosta, M.D.San Juan, PR 009091144273459
- Gregorio Cortes-Maisonet, MDSan Juan, PR 009091639151616
- Angel Davila, M.D.San Juan, PR 009091184730376
- Francisco Fontanez, M.D.San Juan, PR 009091801852553
- Rahadames Hernandez, MDSan Juan, PR 009091376538785
- Silvio Martinez Ruiz, MDSan Juan, PR 009091073500096
- Luis Martinez-Suarez, MD, MPHSan Juan, PR 009091235137977
- Jorge Mejia, M.D.San Juan, PR 009091982699559
Common questions
What is Alfred Valdivieso, MD's NPI number?
Alfred Valdivieso, MD's National Provider Identifier (NPI) is 1811198922, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alfred Valdivieso, MD located?
The NPPES record lists a practice address at 1396 Calle San Rafael Ste 15, San Juan, PR, 00909. Phone: (787) 405-4404. Providers update this record themselves, so call before visiting.
How can I verify Alfred Valdivieso, MD's license?
NPPES lists Puerto Rico license number 19246, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alfred Valdivieso, MD prescribe under Medicare Part D?
In 2024, Alfred Valdivieso, MD had 7,742 Medicare Part D claims for 511 beneficiaries; the average among general practice physician prescribers was 3,030. 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.