Harry Niven Alleyn, MD, MPH
Pediatrics Physician · San Juan, PR
Harry Niven Alleyn, MD, MPH is a pediatrics physician with a practice address in San Juan, Puerto Rico, and NPI 1558844217, issued on Sep 10, 2018. Check the license (Puerto Rico 21866, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harry Niven Alleyn
- Credential
- MD, MPH
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 21866 PR
Self-reported in NPPES; status is on the state search - Practice location
- 120 Ave LA Sierra, San Juan, PR 00926
- Phone
- (305) 608-5906
- Enumerated
- Sep 10, 2018
- Record last updated
- Aug 20, 2024
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 808 in Puerto Rico → Look up another NPI →
Also registered at 120 Ave LA Sierra
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle ColonSpeech-Language Pathologist1114134467
Verify Harry Niven Alleyn 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 21866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $20.60
1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Harry Niven Alleyn among 808 pediatrics physician records in Puerto Rico
Harry Niven Alleyn, MD, MPH is one of 808 pediatrics physician records with a practice address in Puerto Rico. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
230 pediatrics physician records list a practice address in San Juan
They are 230 of the 8,960 NPPES records with a practice address in San Juan, and 808 pediatrics physician records in Puerto Rico.
All 808 in Puerto Rico → Every provider in San Juan → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Luisa Burgos, MDSan Juan, PR 009261942252283
- Yvette Colon, M.D.San Juan, PR 009261598718496
- Javier Cuevas Marrero, M.D.San Juan, PR 009261629021308
- Maria Del Gonzalez-De-Rivas, M.D.San Juan, PR 009261396729406
- Maximino Linares, M.D.San Juan, PR 009261891793774
- Lidy Lopez, M.DSan Juan, PR 009261366425977
- Maria Morales, MDSan Juan, PR 009261245205814
- Jeannette Morales Marrero, MDSan Juan, PR 009261053365155
Common questions
What is Harry Niven Alleyn, MD, MPH's NPI number?
Harry Niven Alleyn, MD, MPH's National Provider Identifier (NPI) is 1558844217, issued on Sep 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Harry Niven Alleyn, MD, MPH located?
The NPPES record lists a practice address at 120 Ave LA Sierra, San Juan, PR, 00926. Phone: (305) 608-5906. Providers update this record themselves, so call before visiting.
How can I verify Harry Niven Alleyn, MD, MPH's license?
NPPES lists Puerto Rico license number 21866, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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.