Regino Colon Alsina, M.D.
General Practice Physician · San Juan, PR
Regino Colon Alsina, M.D. is a general practice physician with a practice address in San Juan, Puerto Rico, and NPI 1801874193, issued on Jan 6, 2006. Check the license (Puerto Rico 15985, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Regino Colon Alsina
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 15985 PR
Self-reported in NPPES; status is on the state search - Practice location
- BO Monacillos Carr 22, San Juan, PR 00935
- Phone
- (787) 247-4496
- Enumerated
- Jan 6, 2006
- Record last updated
- Mar 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at BO Monacillos Carr 22
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luis Rodriguez Rivera, M.D.Specialist1639291487
Verify Regino Colon Alsina 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 15985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average general practice physician in 2024
50 Medicare Part D claims for 18 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% 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.
Regino Colon Alsina among 4,170 general practice physician records in Puerto Rico
Regino Colon Alsina, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 65% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2014 · 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
- Yulevymar Bermudez Lugo, MDRio Piedras, PR 009351073010294
- Rafael Davila Micheo, MD, EITSan Juan, PR 009351003328808
- Carmen Guede, M.D.San Juan, PR 009351649340548
- Jose Herrera, M.D.San Juan, PR 009351245292614
- Agueda Herrera, M.DSan Juan, PR 009351255385332
- John Jones, M.D.San Juan, PR 009351770531733
- Janeen Lugo-Rodriguez, M.D.San Juan, PR 009351699223701
- Namyr Martinez, MD, PHDSan Juan, PR 009351356742563
Common questions
What is Regino Colon Alsina, M.D.'s NPI number?
Regino Colon Alsina, M.D.'s National Provider Identifier (NPI) is 1801874193, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Regino Colon Alsina, M.D. located?
The NPPES record lists a practice address at BO Monacillos Carr 22, San Juan, PR, 00935. Phone: (787) 247-4496. Providers update this record themselves, so call before visiting.
How can I verify Regino Colon Alsina, M.D.'s license?
NPPES lists Puerto Rico license number 15985, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Regino Colon Alsina, M.D. prescribe under Medicare Part D?
In 2024, Regino Colon Alsina, M.D. had 50 Medicare Part D claims for 18 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.