Luis M. Siaca Colon, MD
General Practice Physician · San Lorenzo, PR
Luis M. Siaca Colon, MD is a general practice physician with a practice address in San Lorenzo, Puerto Rico, and NPI 1972587707, issued on Dec 5, 2005. Check the license (Puerto Rico 012479, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Luis M. Siaca Colon
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 012479 PR
Self-reported in NPPES; status is on the state search - Practice location
- Diaz Bretana Medical Building, San Lorenzo, PR 00754
- Phone
- (787) 736-8265
- Enumerated
- Dec 5, 2005
- Record last updated
- Sep 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (787) 736-8265
- Medicare enrollment
- Enrolled (PECOS I20060120000598); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Luis M. Siaca Colon 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 012479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.7 times the Medicare Part D claims of the average general practice physician in 2024
23,193 Medicare Part D claims for 607 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Famotidine2,346 claims
- Gabapentin1,485 claims
- Levothyroxine Sodium1,446 claims
- Pentoxifylline1,259 claims
- Atorvastatin Calcium1,248 claims
- Losartan Potassium1,002 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.
Luis M. Siaca Colon among 4,170 general practice physician records in Puerto Rico
Luis M. Siaca Colon, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1995 · median 2004 among the 1,228 with a school on file
- Record last updated2012 · 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).
19 general practice physician records list a practice address in San Lorenzo
They are 19 of the 176 NPPES records with a practice address in San Lorenzo, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in San Lorenzo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Gustavo Cordero Garcia, M.D.San Lorenzo, PR 007541235123563
- Wilfredo Cuevas, M.D.San Lorenzo, PR 007541720296718
- Griselle Gerena Ramirez, MDSan Lorenzo, PR 007541245280270
- Susana Lantigua Tejada, MDSan Lorenzo, PR 007541750558433
- Mirta Lopez Comas, M.D.San Lorenzo, PR 007541326032657
- Josely Lopez Nieves, M.D.San Lorenzo, PR 007541407080088
- Jose Martinez Santana, M.D.San Lorenzo, PR 007541063643948
- Ernesto Medina De Jesus, MDSan Lorenzo, PR 007541841256203
Common questions
What is Luis M. Siaca Colon, MD's NPI number?
Luis M. Siaca Colon, MD's National Provider Identifier (NPI) is 1972587707, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Luis M. Siaca Colon, MD located?
The NPPES record lists a practice address at Diaz Bretana Medical Building, San Lorenzo, PR, 00754. Phone: (787) 736-8265. Providers update this record themselves, so call before visiting.
How can I verify Luis M. Siaca Colon, MD's license?
NPPES lists Puerto Rico license number 012479, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Luis M. Siaca Colon, MD prescribe under Medicare Part D?
In 2024, Luis M. Siaca Colon, MD had 23,193 Medicare Part D claims for 607 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.