Jose Marcos Mariani Ostolaza I

  • Adjuntas, PR
  • General practice physician
NPI1699221515
Medicare services, 2022
18
Part D claims, 2024
11
Industry payments
$281
Medical group
1
State license
1
Practice address
General Delivery, Adjuntas, PR 00601
Practice phone
Call (787) 829-5010
Professional email
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Personal email
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Mobile number
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Social profiles

Medical group

Hospital General Castañer

Castaner, Puerto Rico

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Jose Marcos Mariani Ostolaza I is a general practice physician in Adjuntas, Puerto Rico

Jose Mariani Ostolaza practices with Hospital General Castañer, a medical group.

Jose Mariani Ostolaza's NPI, 1699221515, was assigned on August 31, 2016. Jose Mariani Ostolaza graduated from University Central Del Caribe Escuela De Medicina in 2015. Jose Mariani Ostolaza holds Puerto Rico license 19792.

NPI and contact details
NPI enumeration date
August 31, 2016
NPI status
Active
Practice phone
(787) 829-5010
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Jose Marcos Mariani Ostolaza I's practice address is in Adjuntas, Puerto Rico

Jose Mariani Ostolaza's practice address in the NPI Registry is General Delivery, Adjuntas, PR 00601, in Adjuntas County. The practice phone is (787) 829-5010.

  • NPI Registry address
    General Delivery, Adjuntas, PR 00601 · Adjuntas CountyPhone(787) 829-5010

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

Jose Marcos Mariani Ostolaza I is affiliated with 1 medical group

Jose Mariani Ostolaza is part of Hospital General Castañer, a medical group in Castaner, Puerto Rico.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Jose Marcos Mariani Ostolaza I's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jose Mariani Ostolaza practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hospital General CastañerAvailable with a free account

Source: Dmand AI Technology Install Data

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Jose Marcos Mariani Ostolaza I is one of 2,604 general practice physicians in Puerto Rico

General practice is Jose Mariani Ostolaza's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Jose Mariani Ostolaza is licensed in Puerto Rico.

Specialties and state licenses

  • General practice, Puerto RicoPrimaryLicense 19792 · taxonomy 208D00000X

General practice physicians near Jose Mariani Ostolaza

Counts of general practice physicians 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

Jose Marcos Mariani Ostolaza I billed Medicare for 18 services in 2022

CMS data shows 18 Medicare services from Jose Mariani Ostolaza across 1 procedure code in 2022. Medicare paid $1,776 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202218
Paid by Medicare$1,776
Procedure codes1

Jose Mariani Ostolaza compared with the Puerto Rico median for general practice physicians, 2022

  • Jose Mariani Ostolaza
  • Puerto Rico median
Medicare services
18vs 3447% below
Part D claims
460vs 73537% below

Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.

Jose Mariani Ostolaza's most billed Medicare procedure codes, 2022

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 Jose Mariani Ostolaza

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Medicare shows one payer. Book a meeting to get commercial claims data for Jose Mariani Ostolaza and other general practice physicians in Puerto Rico.

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

Jose Marcos Mariani Ostolaza I's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Jose Mariani Ostolaza's median patient age at 67, with 0% women.

Jose Mariani Ostolaza's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Jose Marcos Mariani Ostolaza I wrote 11 Medicare Part D claims in 2024

In 2024, Jose Mariani Ostolaza wrote 11 Medicare Part D claims. They cover 25 drugs, with $10,293 in total drug cost. In 2022, CMS named 2,208 claims across 67 drugs.

Part D claims, 202411
Drugs named by CMS25
Total drug cost$10,293

Jose Mariani Ostolaza's most prescribed drugs by claims, 2023

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

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 2,2082023: 46079%

Drugs named by CMS: 25 in 2023, 67 in 2022.

See all prescribing by Jose Mariani Ostolaza

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

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Jose Marcos Mariani Ostolaza I received $281 in industry payments from 2016 to 2023

CMS Open Payments shows 11 general payments to Jose Mariani Ostolaza from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $98.

General payments to Jose Mariani Ostolaza by program year, 2016 to 2023

Companies that paid Jose Mariani Ostolaza the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Jose Mariani Ostolaza

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

Jose Marcos Mariani Ostolaza I graduated from University Central Del Caribe Escuela De Medicina

Jose Mariani Ostolaza graduated from University Central Del Caribe Escuela De Medicina in 2015.

  1. Medical schoolUniversity Central Del Caribe Escuela De Medicina

Source: Dmand AI Professional Profile Data

Sources for Jose Marcos Mariani Ostolaza I'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 Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation 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 Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Jose Marcos Mariani Ostolaza I

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

What is Jose Marcos Mariani Ostolaza I's NPI number?

Jose Marcos Mariani Ostolaza I's NPI number is 1699221515. It was assigned on August 31, 2016, and it is active in the NPI Registry.

What does Jose Marcos Mariani Ostolaza I specialize in?

Jose Marcos Mariani Ostolaza I is a general practice physician in Adjuntas, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Jose Marcos Mariani Ostolaza I practice?

Jose Mariani Ostolaza practices at General Delivery, Adjuntas, PR 00601. Jose Mariani Ostolaza's primary practice is Hospital General Castañer, a medical group.

What is Jose Marcos Mariani Ostolaza I's office phone number?

The practice phone on file for Jose Mariani Ostolaza is (787) 829-5010.

What is Jose Marcos Mariani Ostolaza I's medical license number?

Jose Mariani Ostolaza holds Puerto Rico license 19792.

What medical group is Jose Marcos Mariani Ostolaza I part of?

Jose Mariani Ostolaza is part of Hospital General Castañer in Castaner, Puerto Rico.

Does Jose Marcos Mariani Ostolaza I accept Medicare?

Yes. CMS data shows Jose Mariani Ostolaza billed Medicare for 18 services in 2022.

What services does Jose Marcos Mariani Ostolaza I bill to Medicare?

In 2022, Jose Mariani Ostolaza's most billed Medicare services were medical service (99219).

Where did Jose Marcos Mariani Ostolaza I go to medical school?

Jose Mariani Ostolaza graduated from University Central Del Caribe Escuela De Medicina in 2015.

What drugs does Jose Marcos Mariani Ostolaza I prescribe most?

In 2023 Medicare Part D data, Jose Mariani Ostolaza's most prescribed drugs by claims were Meloxicam, Amlodipine Besylate and Atorvastatin Calcium.

Has Jose Marcos Mariani Ostolaza I received payments from drug or device companies?

CMS Open Payments shows $281 in general payments to Jose Mariani Ostolaza from 7 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Jose Marcos Mariani Ostolaza I been practicing?

Jose Mariani Ostolaza graduated from medical school in 2015, 11 years ago.

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