Juan Montes Ruiz, MD
Internal Medicine Physician · San Juan, PR
Juan Montes Ruiz, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1952391732, issued on Oct 24, 2005. Check the license (Puerto Rico 6891, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Juan Montes Ruiz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6891 PR
Self-reported in NPPES; status is on the state search - Practice location
- U3-4 Carr 21, San Juan, PR 00921
- Phone
- (787) 793-0440
- Enumerated
- Oct 24, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (787) 781-2766
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at U3-4 Carr 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manuel Pubillones, MDPsychiatry Physician1700820537
Verify Juan Montes Ruiz 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 6891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average internal medicine physician in 2024
14,243 Medicare Part D claims for 562 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium877 claims
- Gabapentin593 claims
- Amlodipine Besylate470 claims
- Pantoprazole Sodium438 claims
- Famotidine432 claims
- Tizanidine Hcl406 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.
Industry payments in 2024: $331.09
6 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Juan Montes Ruiz among 1,146 internal medicine physician records in Puerto Rico
Juan Montes Ruiz, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 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, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2026 · 55% 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 Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Juan Jose Bayron, M.D.San Juan, PR 009211932104015
- Francisco Bellaflores, MDRio Piedras, PR 009211689653222
- Hidelisa Borges-Aponte, MDSan Juan, PR 009211659329266
- Luzimar Conaway, MDSan Juan, PR 009211952394728
- Maria Correa, MDSan Juan, PR 009211215907381
- Hector Leon-Figueroa, MDRio Piedras, PR 009211225020704
- Milagros Marrero, MDSan Juan, PR 009211730169244
- Nestor Olivo-Crespo, M.D.San Juan, PR 009211285619775
Common questions
What is Juan Montes Ruiz, MD's NPI number?
Juan Montes Ruiz, MD's National Provider Identifier (NPI) is 1952391732, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Juan Montes Ruiz, MD located?
The NPPES record lists a practice address at U3-4 Carr 21, San Juan, PR, 00921. Phone: (787) 793-0440. Providers update this record themselves, so call before visiting.
How can I verify Juan Montes Ruiz, MD's license?
NPPES lists Puerto Rico license number 6891, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Juan Montes Ruiz, MD prescribe under Medicare Part D?
In 2024, Juan Montes Ruiz, MD had 14,243 Medicare Part D claims for 562 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.