Reynaldo Hilario Alonso, MD
Internal Medicine Physician · Bronx, NY
Reynaldo Hilario Alonso, MD is an internal medicine physician with a practice address in Bronx, New York, and NPI 1295735553, issued on Jul 28, 2005. Check the license (New York 191962-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Reynaldo Hilario Alonso
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 191962-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2426 Eastchester RD, Bronx, NY 10469
- Phone
- (718) 231-7872
- Enumerated
- Jul 28, 2005
- Record last updated
- Oct 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01654888 NY
- Medicare enrollment
- Enrolled (PECOS I20180612002310); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 2426 Eastchester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Reynaldo Hilario Alonso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 191962-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average internal medicine physician in 2024
3,192 Medicare Part D claims for 296 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium328 claims
- Amlodipine Besylate160 claims
- Lisinopril150 claims
- Metformin Hcl128 claims
- Rosuvastatin Calcium121 claims
- Losartan Potassium114 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
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reynaldo Hilario Alonso among 12,067 internal medicine physician records in New York
Reynaldo Hilario Alonso, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2002 among the 7,221 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
960 internal medicine physician records list a practice address in Bronx
They are 960 of the 32,017 NPPES records with a practice address in Bronx, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Bronx → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yvonne Ablorh-Odjidja, M.D.Bronx, NY 104691568405504
- Alan Diaz, M.D.Bronx, NY 104691104936335
- Marcello Dibona, MDBronx, NY 104691427056761
- Eduardo Espinosa, MDBronx, NY 104691598721482
- John Fernandez, M.D.Bronx, NY 104691770518920
- Howard Hochster, MDBronx, NY 104691497768808
- James Maffucci, M.D.Bronx, NY 104691548244585
- Marcia Morgan, MDBronx, NY 104691043210230
Common questions
What is Reynaldo Hilario Alonso, MD's NPI number?
Reynaldo Hilario Alonso, MD's National Provider Identifier (NPI) is 1295735553, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Reynaldo Hilario Alonso, MD located?
The NPPES record lists a practice address at 2426 Eastchester RD, Bronx, NY, 10469. Phone: (718) 231-7872. Providers update this record themselves, so call before visiting.
How can I verify Reynaldo Hilario Alonso, MD's license?
NPPES lists New York license number 191962-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Reynaldo Hilario Alonso, MD prescribe under Medicare Part D?
In 2024, Reynaldo Hilario Alonso, MD had 3,192 Medicare Part D claims for 296 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.