Alejandro L. Seijo Delgado, MD
General Practice Physician · Arecibo, PR
Alejandro L. Seijo Delgado, MD is a general practice physician with a practice address in Arecibo, Puerto Rico, and NPI 1326750498, issued on Dec 20, 2022. Check the license (Puerto Rico 023758, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alejandro L. Seijo Delgado
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 023758 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carr #2 KM 67.7, Arecibo, PR 00612
- Phone
- (939) 644-7043
- Enumerated
- Dec 20, 2022
- Record last updated
- Apr 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20240626000026); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Alejandro L. Seijo Delgado 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 023758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average general practice physician in 2024
1,628 Medicare Part D claims for 380 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
- Nabumetone83 claims
- Azithromycin73 claims
- Pantoprazole Sodium61 claims
- Gabapentin58 claims
- Atorvastatin Calcium54 claims
- Ciprofloxacin Hcl51 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.
Bills Medicare through one group practice
- Los Pinos Medical Center LLCArecibo, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alejandro L. Seijo Delgado among 4,170 general practice physician records in Puerto Rico
Alejandro L. Seijo Delgado, 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 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2012 · median 2004 among the 1,228 with a school on file
- Record last updated2024 · 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).
136 general practice physician records list a practice address in Arecibo
They are 136 of the 976 NPPES records with a practice address in Arecibo, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Arecibo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Pedro Arias, M.D.Arecibo, PR 006121356339881
- David Azzaro, M.D.Arecibo, PR 006121790754596
- Ismael Bague, M.D.Arecibo, PR 006121386603041
- Rolando Colon Martinez, M.D.Arecibo, PR 006121841267200
- Manuel Marcano Rivera, MDArecibo, PR 006121447224746
- Jose Marrero Nieves, MDArecibo, PR 006121013978246
- Rafael Martinez, M.DArecibo, PR 006121609844331
- Martha Nieves, MDArecibo, PR 006121972565810
Common questions
What is Alejandro L. Seijo Delgado, MD's NPI number?
Alejandro L. Seijo Delgado, MD's National Provider Identifier (NPI) is 1326750498, issued on Dec 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro L. Seijo Delgado, MD located?
The NPPES record lists a practice address at Carr #2 KM 67.7, Arecibo, PR, 00612. Phone: (939) 644-7043. Providers update this record themselves, so call before visiting.
How can I verify Alejandro L. Seijo Delgado, MD's license?
NPPES lists Puerto Rico license number 023758, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alejandro L. Seijo Delgado, MD prescribe under Medicare Part D?
In 2024, Alejandro L. Seijo Delgado, MD had 1,628 Medicare Part D claims for 380 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.