Carolina Sofia Diaz-Loza
Gastroenterology Physician · San Juan, PR
Carolina Sofia Diaz-Loza is a gastroenterology physician with a practice address in San Juan, Puerto Rico, and NPI 1811491350, issued on Mar 20, 2018. Check the license (Puerto Rico 022249, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolina Sofia Diaz-Loza
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 022249 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1420 Calle Americo Salas Ste 401, San Juan, PR 00909
- Phone
- (787) 919-7865
- Enumerated
- Mar 20, 2018
- Record last updated
- Jan 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250301000098); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 2018
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 203 in Puerto Rico → Look up another NPI →
Verify Carolina Sofia Diaz-Loza 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 022249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
31 Medicare Part D claims for 18 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of 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: $538.86
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Carolina Sofia Diaz-Loza among 203 gastroenterology physician records in Puerto Rico
Carolina Sofia Diaz-Loza is one of 203 gastroenterology physician records with a practice address in Puerto Rico. 92% 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 96% of them.
- NPI issued2018 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2018 · median 2000 among the 165 with a school on file
- Record last updated2025 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Puerto Rico
There are 203 gastroenterology physician records in Puerto Rico.
All 203 in Puerto Rico → Every provider in San Juan → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Vasco Eguia Moreda, MDSan Juan, PR 009091316184161
- Carlos Fernandez-Cruz, MDSan Juan, PR 009091699192765
- Hamid Galib, MDSan Juan, PR 009091508825159
- Cristobal Gomez Duarte, MDSan Juan, PR 009091972589414
- Natalia HernandezSan Juan, PR 009091962901066
- Jaime Martinez-Souss, M.D.Santurce, PR 009091063474872
- Lilliana Morales-Vasquez, M.D.San Juan, PR 009091215130588
- Eladio Perez Cruz, MDSan Juan, PR 009091194701706
Common questions
What is Carolina Sofia Diaz-Loza's NPI number?
Carolina Sofia Diaz-Loza's National Provider Identifier (NPI) is 1811491350, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Carolina Sofia Diaz-Loza located?
The NPPES record lists a practice address at 1420 Calle Americo Salas Ste 401, San Juan, PR, 00909. Phone: (787) 919-7865. Providers update this record themselves, so call before visiting.
How can I verify Carolina Sofia Diaz-Loza's license?
NPPES lists Puerto Rico license number 022249, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carolina Sofia Diaz-Loza prescribe under Medicare Part D?
In 2024, Carolina Sofia Diaz-Loza had 31 Medicare Part D claims for 18 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.