Dr. Carlos Agapito Fontanez, MD

  • Fajardo, PR
  • Internist
NPI1255403010PAC ID3375569098
Medicare services, 2024
50
Medicare patients, 2024
14
Part D claims, 2024
13,480
Hospital affiliations
2
Industry payments
$549
Practice address
151 Ave Osvaldo Molina, Fajardo, PR 00738
Practice phone
Call (787) 801-0081
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Caribbean Medical Center

Hospital · Fajardo, Puerto Rico

See all 4 affiliations

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Dr. Carlos Agapito Fontanez is an internist in Fajardo, Puerto Rico

Dr. Fontanez practices at Caribbean Medical Center in Fajardo, Puerto Rico, part of Caribe Physicians Plaza.

Dr. Fontanez's NPI, 1255403010, was assigned on November 15, 2006. Dr. Fontanez holds Puerto Rico license 16110.

NPI and contact details
Medicare PAC ID
3375569098
NPI enumeration date
November 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 801-0081
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. Carlos Agapito Fontanez practices at Caribbean Medical Center in Fajardo, Puerto Rico

Dr. Fontanez's primary practice is Caribbean Medical Center, at 151 Ave Osvaldo Molina, Fajardo, PR 00738 in Fajardo County. The practice phone is (787) 801-0081.

Source: Dmand AI Affiliation Data

Dr. Carlos Agapito Fontanez is affiliated with 4 sites of care

Dr. Fontanez's primary practice is Caribbean Medical Center in Fajardo, Puerto Rico, part of Caribe Physicians Plaza. Dr. Fontanez is also affiliated with Centro Médico del Noreste. Dmand AI also links Dr. Fontanez to 1 more physician office and 1 hospice, each named with a free account.

See all 4 affiliations for Dr. Fontanez

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

Dmand AI tracks the EHR system at Dr. Carlos Agapito Fontanez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fontanez practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Caribbean Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Carlos Agapito Fontanez is one of 805 internists in Puerto Rico

Internal medicine is Dr. Fontanez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fontanez is licensed in Puerto Rico.

Specialties and state licenses

  • Internal medicine, Puerto RicoPrimaryLicense 16110 · taxonomy 207R00000X

Internists near Dr. Fontanez

Counts of internists 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. Carlos Agapito Fontanez billed Medicare for 50 services in 2024

CMS data shows 50 Medicare services from Dr. Fontanez across 1 procedure code in 2024, all of them office visits, for 14 Medicare patients. Medicare paid $1,837 for them. Every service was in an office.

Medicare services, 202450
Medicare patients14
Paid by Medicare$1,837
Procedure codes1

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

  • 2023
  • 2024
Office and hospital visits
2023: 572024: 5012%

Dr. Fontanez compared with the Puerto Rico median for internists, 2024

  • Dr. Fontanez
  • Puerto Rico median
Medicare services
50vs 50Close to median
Medicare patients
14vs 2339% below
Part D claims
12,855vs 2,7284.7 times

Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Fontanez'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. Fontanez

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fontanez and other internists 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. Carlos Agapito Fontanez treated 14 Medicare patients in 2024, average age 79

CMS counts 14 Medicare patients who saw Dr. Fontanez in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Fontanez's median patient age at 78, with 100% women.

Medicare patients, 202414
Average age79
Average risk score1.00

Dr. Fontanez's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Fontanez's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Dr. Fontanez's patients across all payers

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

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women100%
  • Men0%

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

Dr. Carlos Agapito Fontanez wrote 13,480 Medicare Part D claims in 2024

In 2024, Dr. Fontanez wrote 13,480 Medicare Part D claims for 620 patients. 89% of them were for generic drugs. CMS names the drug for 12,855 of them, across 136 drugs with 11 or more claims each, at $613,835 in total drug cost. In 2023, CMS named 15,825 claims across 148 drugs.

Part D claims, 202413,480
Drugs named by CMS136
Total drug cost$613,835
Part D patients620

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

  • Generic12,004 claims89%
  • Brand-name1,334 claims10%
  • Other142 claims1%

Dr. Fontanez'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. Fontanez's Part D claims, 2024

  • Opioids0%22 of 13,480 claims
  • Antibiotics1%112 of 13,480 claims
  • Antipsychotics, patients 65 and over2%250 of 13,480 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: 15,8252024: 12,85519%

Drugs named by CMS: 136 in 2024, 148 in 2023.

See all prescribing by Dr. Fontanez

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. Carlos Agapito Fontanez takes part in Medicare

Dr. Fontanez 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)

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Dr. Carlos Agapito Fontanez received $549 in industry payments from 2016 to 2022

CMS Open Payments shows 9 general payments to Dr. Fontanez from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $351.

General payments to Dr. Fontanez by program year, 2016 to 2022

Companies that paid Dr. Fontanez the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Fontanez

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

Sources for Dr. Carlos Agapito Fontanez'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 phoneDmand AI Affiliation 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. Carlos Agapito Fontanez

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. Carlos Agapito Fontanez's NPI number?

Dr. Carlos Agapito Fontanez's NPI number is 1255403010. It was assigned on November 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Carlos Agapito Fontanez?

Dr. Carlos Agapito Fontanez is an internist in Fajardo, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Carlos Agapito Fontanez practice?

Dr. Fontanez practices at 151 Ave Osvaldo Molina, Fajardo, PR 00738. Dr. Fontanez's primary practice is Caribbean Medical Center in Fajardo, Puerto Rico, part of Caribe Physicians Plaza. Dmand AI also links Dr. Fontanez to 1 physician office and 1 hospice.

What is Dr. Carlos Agapito Fontanez's office phone number?

The practice phone on file for Dr. Fontanez is (787) 801-0081.

What is Dr. Carlos Agapito Fontanez's medical license number?

Dr. Fontanez holds Puerto Rico license 16110.

Which hospitals is Dr. Carlos Agapito Fontanez affiliated with?

Dr. Fontanez practices at Caribbean Medical Center in Fajardo, Puerto Rico. Dr. Fontanez is also affiliated with Centro Médico del Noreste.

Does Dr. Carlos Agapito Fontanez accept Medicare?

Yes. CMS data shows Dr. Fontanez billed Medicare for 50 services in 2024, and Dr. Fontanez accepts Medicare assignment.

How many Medicare patients does Dr. Carlos Agapito Fontanez see?

CMS counts 14 Medicare patients who saw Dr. Fontanez in 2024, with an average age of 79.

What services does Dr. Carlos Agapito Fontanez bill to Medicare?

In 2024, Dr. Fontanez's most billed Medicare services were office visit, established patient (99213).

What drugs does Dr. Carlos Agapito Fontanez prescribe most?

In 2024 Medicare Part D data, Dr. Fontanez's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Metformin HCl.

Has Dr. Carlos Agapito Fontanez received payments from drug or device companies?

CMS Open Payments shows $549 in general payments to Dr. Fontanez from 3 companies from 2016 to 2022. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Dr. Carlos Agapito Fontanez been practicing?

Dr. Fontanez graduated from medical school in 2001, 25 years ago.

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