Cesar F. Hernandez-Arroyo, M.D.
Nephrology Physician · San Juan, PR
Cesar F. Hernandez-Arroyo, M.D. is a nephrology physician with a practice address in San Juan, Puerto Rico, and NPI 1528473733, issued on Jun 25, 2014. Check the license (Puerto Rico 19128, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cesar F. Hernandez-Arroyo
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 19128 PR
73735-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 400 Ave Domenech Ste 607, San Juan, PR 00918
- Phone
- (787) 250-0084
- Enumerated
- Jun 25, 2014
- Record last updated
- Aug 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200825000392); accepts Medicare assignment
- Medical or professional school
- San Juan Bautista School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Verify Cesar F. Hernandez-Arroyo 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 19128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average nephrology physician in 2024
2,246 Medicare Part D claims for 399 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Rosuvastatin Calcium278 claims
- Losartan Potassium130 claims
- Metformin Hcl Er103 claims
- Atorvastatin Calcium102 claims
- Irbesartan91 claims
- Metoprolol Succinate86 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: $3,969.51
49 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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
- Access Care Physicians OF Puerto Rico LLCJuana Diaz, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cesar F. Hernandez-Arroyo among 152 nephrology physician records in Puerto Rico
Cesar F. Hernandez-Arroyo, 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 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 22% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2011 · median 2004 among the 124 with a school on file
- Record last updated2021 · 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
- Jose Cangiano-Rivera, M.D.San Juan, PR 009181407969702
- Manuel Figueroa-Gonzalez, MDSan Juan, PR 009181710906532
- Keysha Lopez Vega, MDSan Juan, PR 009181487041596
- Lisandro Montalvo, M.D.San Juan, PR 009181881761195
- Tania Ramirez Perez, MDSan Juan, PR 009181215186309
- Carlos Rivera Bermudez, M.D.San Juan, PR 009181700849817
- Ferdinand Rivera Ortiz, M.D.San Juan, PR 009181174554356
- Ramon Seneriz Olivencia, MDSan Juan, PR 009181053796052
Common questions
What is Cesar F. Hernandez-Arroyo, M.D.'s NPI number?
Cesar F. Hernandez-Arroyo, M.D.'s National Provider Identifier (NPI) is 1528473733, issued on Jun 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cesar F. Hernandez-Arroyo, M.D. located?
The NPPES record lists a practice address at 400 Ave Domenech Ste 607, San Juan, PR, 00918. Phone: (787) 250-0084. Providers update this record themselves, so call before visiting.
How can I verify Cesar F. Hernandez-Arroyo, M.D.'s license?
NPPES lists Puerto Rico license number 19128, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Cesar F. Hernandez-Arroyo, M.D. prescribe under Medicare Part D?
In 2024, Cesar F. Hernandez-Arroyo, M.D. had 2,246 Medicare Part D claims for 399 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.