Rene Casas, MD
Internal Medicine Physician · Barranquitas, PR
Rene Casas, MD is an internal medicine physician with a practice address in Barranquitas, Puerto Rico, and NPI 1396726253, issued on Nov 8, 2005. Check the license (Puerto Rico 6288, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rene Casas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6288 PR
Self-reported in NPPES; status is on the state search - Practice location
- NO 19 Munoz Rivera St, Barranquitas, PR 00794
- Phone
- (787) 857-3448
- Enumerated
- Nov 8, 2005
- Entity
- Type 1 · individual
Verify Rene Casas 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 6288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
627 Medicare Part D claims for 21 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Omeprazole36 claims
- Atorvastatin Calcium30 claims
- Hydrochlorothiazide30 claims
- Amlodipine Besylate26 claims
- Gabapentin25 claims
- Metformin Hcl25 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.
Internal Medicine Physician providers in Puerto Rico
There are 1,357 internal medicine physician records in Puerto Rico.
Other internal medicine physician records in Puerto Rico
- Jamil Abou El Hossen Carmona, MDRio Piedras, PR1700575495
- Jamil Abouelhossen, MDFajardo, PR1356347538
- James Abrams, MDSan Juan, PR1861721789
- Fernando Abreu GonzalezSan Juan, PR1437100930
- Jumana Abuomar, M.D.Canovanas, PR1104028307
- Lourdes Acevedo, M.D.Aguada, PR1487751574
- Luis Acevedo Aquino, MDAguadilla, PR1477128999
- Sara Acevedo Armaiz, MDCarolina, PR1194731711
- Luis Acevedo Rodriguez, M.D..Guaynabo, PR1326149121
- Luis Acevedo Soto, MDMayaguez, PR1851084412
Common questions
What is Rene Casas, MD's NPI number?
Rene Casas, MD's National Provider Identifier (NPI) is 1396726253, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rene Casas, MD located?
The NPPES record lists a practice address at NO 19 Munoz Rivera St, Barranquitas, PR, 00794. Phone: (787) 857-3448. Providers update this record themselves, so call before visiting.
How can I verify Rene Casas, MD's license?
NPPES lists Puerto Rico license number 6288, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Rene Casas, MD prescribe under Medicare Part D?
In 2024, Rene Casas, MD had 627 Medicare Part D claims for 21 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.