Dr. Rafael Alberto Justiniano Magraner, MD

  • San German, PR
  • Nephrologist
NPI1871925297PAC ID2466727524
Medicare services, 2024
89
Medicare patients, 2024
50
Part D claims, 2024
2,206
Hospital affiliations
4
Industry payments
$2,119
Practice address
Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683
Practice phone
Call (787) 852-5300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hospital Metropolitano San Germán

Hospital · San German, Puerto Rico

See all 5 affiliations

Find Dr. Justiniano Magraner's professional email, personal email and mobile number

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Dr. Rafael Alberto Justiniano Magraner is a nephrologist in San German, Puerto Rico

Dr. Justiniano Magraner practices at Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez.

Dr. Justiniano Magraner's NPI, 1871925297, was assigned on August 8, 2013. Dr. Justiniano Magraner holds Louisiana license 312265.

NPI and contact details
Medicare PAC ID
2466727524
NPI enumeration date
August 8, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 852-5300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Rafael Alberto Justiniano Magraner practices at 2 locations in San German, Puerto Rico

Dr. Justiniano Magraner's primary practice is Hospital Metropolitano San Germán, at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 in San German County. The practice phone is (787) 852-5300. Dr. Justiniano Magraner also practices at Hospital Metropolitano San German, 8 Calle Javilla, San German, PR 00683.

  • Hospital Metropolitano San GermánPrimary
    Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 · San German CountyPhone(787) 852-5300
  • Hospital Metropolitano San German
    8 Calle Javilla, San German, PR 00683 · San German CountyPhone(787) 892-1860

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Rafael Alberto Justiniano Magraner is affiliated with 5 sites of care

Dr. Justiniano Magraner's primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez. Dr. Justiniano Magraner is also affiliated with Hospital de la Concepción. Dmand AI also links Dr. Justiniano Magraner to 2 more hospitals and 1 dialysis center, each named with a free account.

See all 5 affiliations for Dr. Justiniano Magraner

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Rafael Alberto Justiniano Magraner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Justiniano Magraner practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hospital Metropolitano San GermánAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Rafael Alberto Justiniano Magraner is one of 122 nephrologists in Puerto Rico

Nephrology is Dr. Justiniano Magraner's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Justiniano Magraner's licenses on file in 2 states: Louisiana and Puerto Rico.

Specialties and state licenses

  • Nephrology, LouisianaPrimaryLicense 312265 · taxonomy 207RN0300X
  • General practice, Puerto RicoLicense 20938 · taxonomy 208D00000X

Nephrologists near Dr. Justiniano Magraner

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Rafael Alberto Justiniano Magraner billed Medicare for 89 services in 2024

CMS data shows 89 Medicare services from Dr. Justiniano Magraner across 2 procedure codes in 2024, for 50 Medicare patients. Medicare paid $4,162 for them.

Medicare services, 202489
Medicare patients50
Paid by Medicare$4,162
Procedure codes2

Dr. Justiniano Magraner's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 982024: 899%

Where Dr. Justiniano Magraner's Medicare services took place, 2024

  • In an office3742%
  • In a facility5258%

Dr. Justiniano Magraner compared with the Puerto Rico median for nephrologists, 2024

  • Dr. Justiniano Magraner
  • Puerto Rico median
Medicare services
89vs 7027% above
Medicare patients
50vs 3639% above
Part D claims
1,906vs 1,56822% above

Medians across 124 nephrologists in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Justiniano Magraner's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Justiniano Magraner

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Justiniano Magraner and other nephrologists in Puerto Rico.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Rafael Alberto Justiniano Magraner treated 50 Medicare patients in 2024, average age 73

CMS counts 50 Medicare patients who saw Dr. Justiniano Magraner in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 34% are also on Medicaid. Their average risk score is 4.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Justiniano Magraner's median patient age at 71, with 36% women.

Medicare patients, 202450
Average age73
Average risk score4.19
Also on Medicaid34%

Dr. Justiniano Magraner's Medicare patients by age, 2024

Dr. Justiniano Magraner's Medicare patients by sex, 2024

  • Women2754%
  • Men2346%

Chronic conditions among Dr. Justiniano Magraner's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. Diabetes74%
  4. High cholesterol66%
  5. Ischemic heart disease44%
  6. Heart failure38%
  7. Arthritis22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Justiniano Magraner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women36%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Rafael Alberto Justiniano Magraner wrote 2,206 Medicare Part D claims in 2024

In 2024, Dr. Justiniano Magraner wrote 2,206 Medicare Part D claims for 433 patients. 62% of them were for generic drugs. CMS names the drug for 1,906 of them, across 40 drugs with 11 or more claims each, at $478,830 in total drug cost. In 2023, CMS named 1,763 claims across 35 drugs.

Part D claims, 20242,206
Drugs named by CMS40
Total drug cost$478,830
Part D patients433

Dr. Justiniano Magraner's Part D claims by kind of drug, 2024

  • Generic1,367 claims62%
  • Brand-name and other839 claims38%

Dr. Justiniano Magraner's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Justiniano Magraner's Part D claims, 2024

  • Opioids1%15 of 2,206 claims
  • Antibiotics3%67 of 2,206 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,7632024: 1,9068%

Drugs named by CMS: 40 in 2024, 35 in 2023.

See all prescribing by Dr. Justiniano Magraner

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Rafael Alberto Justiniano Magraner takes part in Medicare

Dr. Justiniano Magraner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Rafael Alberto Justiniano Magraner received $2,119 in industry payments from 2017 to 2025

CMS Open Payments shows 46 general payments to Dr. Justiniano Magraner from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 88% of the total. AstraZeneca Pharmaceuticals LP paid the most, $679.

General payments to Dr. Justiniano Magraner by program year, 2017 to 2025

General payments to Dr. Justiniano Magraner by kind, 2017 to 2025

$2.1Kin total
  • Food and beverage$1,86088%
  • Education$25912%

Companies that paid Dr. Justiniano Magraner the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Justiniano Magraner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Rafael Alberto Justiniano Magraner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Rafael Alberto Justiniano Magraner

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Rafael Alberto Justiniano Magraner's NPI number?

Dr. Rafael Alberto Justiniano Magraner's NPI number is 1871925297. It was assigned on August 8, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Rafael Alberto Justiniano Magraner?

Dr. Rafael Alberto Justiniano Magraner is a nephrologist in San German, Puerto Rico. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Rafael Alberto Justiniano Magraner practice?

Dr. Justiniano Magraner practices at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683. Dr. Justiniano Magraner also practices at 8 Calle Javilla, San German, PR 00683. Dr. Justiniano Magraner's primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez. Dmand AI also links Dr. Justiniano Magraner to 2 hospitals and 1 dialysis center.

What is Dr. Rafael Alberto Justiniano Magraner's office phone number?

The practice phone on file for Dr. Justiniano Magraner is (787) 852-5300.

What is Dr. Rafael Alberto Justiniano Magraner's medical license number?

Dr. Justiniano Magraner holds Louisiana license 312265, one of the licenses on file in 2 states.

Which states has Dr. Rafael Alberto Justiniano Magraner been licensed in?

Dmand AI has state licenses on file for Dr. Justiniano Magraner in Louisiana and Puerto Rico.

Which hospitals is Dr. Rafael Alberto Justiniano Magraner affiliated with?

Dr. Justiniano Magraner practices at Hospital Metropolitano San Germán in San German, Puerto Rico. Dr. Justiniano Magraner is also affiliated with Hospital de la Concepción. Dmand AI links Dr. Justiniano Magraner to 2 more hospitals.

Does Dr. Rafael Alberto Justiniano Magraner accept Medicare?

Yes. CMS data shows Dr. Justiniano Magraner billed Medicare for 89 services in 2024, and Dr. Justiniano Magraner accepts Medicare assignment.

How many Medicare patients does Dr. Rafael Alberto Justiniano Magraner see?

CMS counts 50 Medicare patients who saw Dr. Justiniano Magraner in 2024, with an average age of 73.

What services does Dr. Rafael Alberto Justiniano Magraner bill to Medicare?

In 2024, Dr. Justiniano Magraner's most billed Medicare services were hospital inpatient care (99232) and office visit, established patient (99213).

Show 3 more questionsShow fewer questions

What drugs does Dr. Rafael Alberto Justiniano Magraner prescribe most?

In 2024 Medicare Part D data, Dr. Justiniano Magraner's most prescribed drugs by claims were Farxiga, Candesartan Cilexetil and Jardiance.

Has Dr. Rafael Alberto Justiniano Magraner received payments from drug or device companies?

CMS Open Payments shows $2,119 in general payments to Dr. Justiniano Magraner from 14 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Rafael Alberto Justiniano Magraner been practicing?

Dr. Justiniano Magraner graduated from medical school in 2009, 17 years ago.

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