Dr. Carlos Renaldo Nieves Martinez, MD
- Medicare services, 2020
- 38
- Part D claims, 2024
- 7,831
- Industry payments
- $764
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 55 Calle Palma, Arecibo, PR 00612
- Practice phone
- Call (787) 881-4228
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nieves Martinez's professional email, personal email and mobile number
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Dr. Carlos Renaldo Nieves Martinez is a general practice physician in Arecibo, Puerto Rico
Dr. Nieves Martinez practices in Arecibo, Puerto Rico.
Dr. Nieves Martinez's NPI, 1407941792, was assigned on October 4, 2006. Dr. Nieves Martinez holds Puerto Rico license 8882.
- NPI
- 1407941792NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Practice phone
- (787) 881-4228
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Carlos Renaldo Nieves Martinez's practice address is in Arecibo, Puerto Rico
Dr. Nieves Martinez's practice address in the NPI Registry is 55 Calle Palma, Arecibo, PR 00612, in Arecibo County. The practice phone is (787) 881-4228.
- NPI Registry address55 Calle Palma, Arecibo, PR 00612 · Arecibo CountyPhone(787) 881-4228
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Carlos Renaldo Nieves Martinez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nieves Martinez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Nieves Martinez's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carlos Renaldo Nieves Martinez is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Nieves Martinez's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Nieves Martinez is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Nieves Martinez
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
Dr. Carlos Renaldo Nieves Martinez billed Medicare for 38 services in 2020
CMS data shows 38 Medicare services from Dr. Nieves Martinez across 2 procedure codes in 2020, all of them office visits. Medicare paid $769 for them. Every service was in an office.
Dr. Nieves Martinez's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 192020: 38100%
Dr. Nieves Martinez compared with the Puerto Rico median for general practice physicians, 2020
- Dr. Nieves Martinez
- Puerto Rico median
- Medicare services
- 38vs 3412% above
- Part D claims
- 7,194vs 7359.8 times
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Nieves Martinez's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nieves Martinez and other general practice physicians in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carlos Renaldo Nieves Martinez's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Nieves Martinez's median patient age at 77, with 20% women.
Dr. Nieves Martinez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
Dr. Carlos Renaldo Nieves Martinez wrote 7,831 Medicare Part D claims in 2024
In 2024, Dr. Nieves Martinez wrote 7,831 Medicare Part D claims for 431 patients. 84% of them were for generic drugs. CMS names the drug for 7,194 of them, across 121 drugs with 11 or more claims each, at $338,728 in total drug cost. In 2023, CMS named 7,720 claims across 126 drugs.
Dr. Nieves Martinez's Part D claims by kind of drug, 2024
- Generic6,577 claims84%
- Brand-name1,150 claims15%
- Other104 claims1%
Dr. Nieves Martinez'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. Nieves Martinez's Part D claims, 2024
- Opioids0%35 of 7,831 claims
- Antibiotics3%226 of 7,831 claims
- Antipsychotics, patients 65 and over0%27 of 7,831 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: 7,7202024: 7,1947%
Drugs named by CMS: 121 in 2024, 126 in 2023.
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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Dr. Carlos Renaldo Nieves Martinez received $764 in industry payments from 2018 to 2025
CMS Open Payments shows 21 general payments to Dr. Nieves Martinez from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $584.
General payments to Dr. Nieves Martinez by program year, 2018 to 2025
General payments to Dr. Nieves Martinez by kind, 2018 to 2025
- Food and beverage$75999%
- Education$51%
Companies that paid Dr. Nieves Martinez the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Carlos Renaldo Nieves Martinez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Carlos Renaldo Nieves Martinez
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 Renaldo Nieves Martinez's NPI number?
Dr. Carlos Renaldo Nieves Martinez's NPI number is 1407941792. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carlos Renaldo Nieves Martinez?
Dr. Carlos Renaldo Nieves Martinez is a general practice physician in Arecibo, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Carlos Renaldo Nieves Martinez practice?
Dr. Nieves Martinez practices at 55 Calle Palma, Arecibo, PR 00612.
What is Dr. Carlos Renaldo Nieves Martinez's office phone number?
The practice phone on file for Dr. Nieves Martinez is (787) 881-4228.
What is Dr. Carlos Renaldo Nieves Martinez's medical license number?
Dr. Nieves Martinez holds Puerto Rico license 8882.
Does Dr. Carlos Renaldo Nieves Martinez accept Medicare?
Yes. CMS data shows Dr. Nieves Martinez billed Medicare for 38 services in 2020.
What services does Dr. Carlos Renaldo Nieves Martinez bill to Medicare?
In 2020, Dr. Nieves Martinez's most billed Medicare services were office visit, established patient (99212) and office visit, established patient (99213).
What drugs does Dr. Carlos Renaldo Nieves Martinez prescribe most?
In 2024 Medicare Part D data, Dr. Nieves Martinez's most prescribed drugs by claims were Synthroid, Atorvastatin Calcium and Gabapentin.
Has Dr. Carlos Renaldo Nieves Martinez received payments from drug or device companies?
CMS Open Payments shows $764 in general payments to Dr. Nieves Martinez from 4 companies from 2018 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Carlos Renaldo Nieves Martinez been practicing?
Dr. Nieves Martinez graduated from medical school in 1982, 44 years ago.
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