Nivia Esther Cruz-Ortiz, M.D.
Nephrology Physician · San Juan, PR
Nivia Esther Cruz-Ortiz, M.D. is a nephrology physician with a practice address in San Juan, Puerto Rico, and NPI 1447363130, issued on Aug 16, 2006. Check the license (Puerto Rico 4705, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nivia Esther Cruz-Ortiz
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 4705 PR
Self-reported in NPPES; status is on the state search - Practice location
- Cond. Torre DE Auxlio Mutuo Ofic. 712, San Juan, PR 00917
- Phone
- (787) 773-8040
- Enumerated
- Aug 16, 2006
- Record last updated
- Oct 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (787) 773-8041
- Medicare enrollment
- Enrolled (PECOS I20050117000266); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Verify Nivia Esther Cruz-Ortiz 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 4705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average nephrology physician in 2024
2,462 Medicare Part D claims for 225 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sulfamethoxazole-Trimethoprim307 claims
- Famotidine223 claims
- Prednisone95 claims
- Sevelamer Carbonate65 claims
- Rosuvastatin Calcium62 claims
- Gabapentin58 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 67.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $138.81
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Bills Medicare through one group practice
- Hospital Espanol Auxilio Mutuo DE Puerto Rico, Inc.San Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nivia Esther Cruz-Ortiz among 152 nephrology physician records in Puerto Rico
Nivia Esther Cruz-Ortiz, M.D. is one of 152 nephrology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 63% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1974 · median 2004 among the 124 with a school on file
- Record last updated2010 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Puerto Rico
There are 152 nephrology physician records in Puerto Rico.
All 152 in Puerto Rico → Every provider in San Juan → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Lillian Borrego Conde, MDSan Juan, PR 009171255417283
- Carlos Cortes-Sanchez, MDSan Juan, PR 009171407140064
- Maria Del Pilar Fernandez Marti, MDSan Juan, PR 009171417220211
- Jose Nieves-Rivera, MDSan Juan, PR 009171033138607
- Lawrence Salamone Velilla, MDSan Juan, PR 009171346303880
- Rodolfo Troche, MDSan Juan, PR 009171639195597
- Jose Cangiano-Rivera, M.D.San Juan, PR 009181407969702
- Manuel Figueroa-Gonzalez, MDSan Juan, PR 009181710906532
Common questions
What is Nivia Esther Cruz-Ortiz, M.D.'s NPI number?
Nivia Esther Cruz-Ortiz, M.D.'s National Provider Identifier (NPI) is 1447363130, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nivia Esther Cruz-Ortiz, M.D. located?
The NPPES record lists a practice address at Cond. Torre DE Auxlio Mutuo Ofic. 712, San Juan, PR, 00917. Phone: (787) 773-8040. Providers update this record themselves, so call before visiting.
How can I verify Nivia Esther Cruz-Ortiz, M.D.'s license?
NPPES lists Puerto Rico license number 4705, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Nivia Esther Cruz-Ortiz, M.D. prescribe under Medicare Part D?
In 2024, Nivia Esther Cruz-Ortiz, M.D. had 2,462 Medicare Part D claims for 225 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Nivia Esther Cruz-Ortiz, M.D.'s MIPS final score?
The 2023 MIPS final score is 67.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.