Rheumatology (Oxford)
Administration, OralArthritis, RheumatoidAzetidines
Dr. Carlos A. Pantojas, MD
NPI1144299074PAC ID9436336435
- Medicare services, 2024
- 171
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 8,424
- Publications
- 1
- Clinical trials
- 24
- Practice address
- 1462 Calle P A Rodz, San Juan, PR 00909
- Practice phone
- Call (787) 999-0440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Pantojas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Carlos A. Pantojas is a rheumatologist in San Juan, Puerto Rico
Dr. Pantojas practices in San Juan, Puerto Rico.
Dr. Pantojas' NPI, 1144299074, was assigned on March 14, 2006. Dr. Pantojas graduated from University Central Del Caribe Escuela De Medicina in 1984. Dr. Pantojas holds Puerto Rico license 9017.
NPI and contact details
- NPI
- 1144299074NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436336435
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 999-0440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carlos A. Pantojas' practice address is in San Juan, Puerto Rico
Dr. Pantojas' practice address in the NPI Registry is 1462 Calle P A Rodz, San Juan, PR 00909, in San Juan County. The practice phone is (787) 999-0440.
- NPI Registry address1462 Calle P A Rodz, San Juan, PR 00909 · San Juan CountyPhone(787) 999-0440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Carlos A. Pantojas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pantojas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Pantojas' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carlos A. Pantojas is one of 74 rheumatologists in Puerto Rico
Rheumatology is Dr. Pantojas' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Pantojas is licensed in Puerto Rico.
Specialties and state licenses
- Rheumatology, Puerto RicoPrimary
Rheumatologists near Dr. Pantojas
Counts of rheumatologists 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 A. Pantojas billed Medicare for 171 services in 2024
CMS data shows 171 Medicare services from Dr. Pantojas across 3 procedure codes in 2024, for 43 Medicare patients. Medicare paid $4,399 for them. Every service was in an office.
Medicare services, 2024171
Medicare patients43
Paid by Medicare$4,399
Procedure codes3
Dr. Pantojas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 762024: 10133%
- Office and hospital visits
- 2023: 712024: 5424%
- Surgery
- 2023: 02024: 16
Dr. Pantojas compared with the Puerto Rico median for rheumatologists, 2024
- Dr. Pantojas
- Puerto Rico median
- Medicare services
- 171vs 582.9 times
- Medicare patients
- 43vs 3234% above
- Part D claims
- 8,159vs 3,7302.2 times
Medians across 78 rheumatologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Pantojas' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pantojas and other rheumatologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carlos A. Pantojas treated 43 Medicare patients in 2024, average age 75
CMS counts 43 Medicare patients who saw Dr. Pantojas in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pantojas' median patient age at 81, with 67% women.
Medicare patients, 202443
Average age75
Average risk score1.12
Dr. Pantojas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Pantojas' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
- Osteoporosis40%
- Asthma37%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pantojas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carlos A. Pantojas wrote 8,424 Medicare Part D claims in 2024
In 2024, Dr. Pantojas wrote 8,424 Medicare Part D claims for 1,198 patients. 93% of them were for generic drugs. CMS names the drug for 8,159 of them, across 48 drugs with 11 or more claims each, at $2,584,310 in total drug cost. In 2023, CMS named 10,451 claims across 55 drugs.
Part D claims, 20248,424
Drugs named by CMS48
Total drug cost$2.6M
Part D patients1,198
Dr. Pantojas' Part D claims by kind of drug, 2024
- Generic7,813 claims93%
- Brand-name and other611 claims7%
Dr. Pantojas' 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. Pantojas' Part D claims, 2024
- Opioids7%576 of 8,424 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: 10,4512024: 8,15922%
Drugs named by CMS: 48 in 2024, 55 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
How Dr. Carlos A. Pantojas takes part in Medicare
Dr. Pantojas 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 A. Pantojas has 1 publication on record
Dmand AI links 1 paper to Dr. Pantojas. Dr. Pantojas' most frequent co-authors are Mark Christopher Genovese, MD, Joel M. Kremer, MD and William Louis Macias, MD.
Papers1
Dr. Pantojas' most frequent co-authors
- Mark Christopher Genovese, MD1 shared paper
- Joel M. Kremer, MD1 shared paper
- William Louis Macias, MD1 shared paper
Recent publications by Dr. Pantojas
See who Dr. Pantojas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pantojas works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carlos A. Pantojas has worked on 24 clinical trials
Dmand AI links Dr. Pantojas to 24 clinical trials. Conditions studied include Rheumatic Diseases, Arthritis, Rheumatoid and Lupus Erythematosus, Systemic. Eli Lilly and Company sponsors the most, 23. Open Payments lists research payments to Dr. Pantojas that name 24 trials.
Conditions in Dr. Pantojas' trials
- Rheumatic Diseases
- Arthritis, Rheumatoid
- Lupus Erythematosus, Systemic
- Connective Tissue Diseases
- Axial Spondyloarthritis
Investigators on the most trials with Dr. Pantojas
- Alan J. Kivitz, MD10 shared trials
- Oscar Soto Raices, MD10 shared trials
- Martin E. Hale, MD9 shared trials
Recent clinical trials with Dr. Pantojas
$1,226 in research paymentsArthritis, RheumatoidRheumatic DiseasesPeresolimab
$2,062 in research paymentsOsteoarthritisRheumatic DiseasesLY3016859
$42,726 in research paymentsAxial SpondyloarthritisAnkylosisIxekizumab
$796 in research paymentsOsteoarthritisRheumatic DiseasesLY3526318
$7,109 in research paymentsAxial SpondyloarthritisAnkylosisIxekizumab
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Carlos A. Pantojas received $621 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Pantojas from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. GlaxoSmithKline, LLC. paid the most, $415. It also lists 51 research payments totaling $118,048 from 2017 to 2022, naming 24 clinical trials.
General payments to Dr. Pantojas by program year, 2016 to 2025
General payments to Dr. Pantojas by kind, 2016 to 2025
$621in total
- Consulting fees$40064%
- Food and beverage$18029%
- Education$406%
Companies that paid Dr. Pantojas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carlos A. Pantojas graduated from University Central Del Caribe Escuela De Medicina
Dr. Pantojas graduated from University Central Del Caribe Escuela De Medicina in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carlos A. Pantojas'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 A. Pantojas
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 A. Pantojas' NPI number?
Dr. Carlos A. Pantojas' NPI number is 1144299074. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carlos A. Pantojas?
Dr. Carlos A. Pantojas is a rheumatologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Carlos A. Pantojas practice?
Dr. Pantojas practices at 1462 Calle P A Rodz, San Juan, PR 00909.
What is Dr. Carlos A. Pantojas' office phone number?
The practice phone on file for Dr. Pantojas is (787) 999-0440.
What is Dr. Carlos A. Pantojas' medical license number?
Dr. Pantojas holds Puerto Rico license 9017.
Does Dr. Carlos A. Pantojas accept Medicare?
Yes. CMS data shows Dr. Pantojas billed Medicare for 171 services in 2024, and Dr. Pantojas accepts Medicare assignment.
How many Medicare patients does Dr. Carlos A. Pantojas see?
CMS counts 43 Medicare patients who saw Dr. Pantojas in 2024, with an average age of 75.
What services does Dr. Carlos A. Pantojas bill to Medicare?
In 2024, Dr. Pantojas' most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. Carlos A. Pantojas go to medical school?
Dr. Pantojas graduated from University Central Del Caribe Escuela De Medicina in 1984.
What drugs does Dr. Carlos A. Pantojas prescribe most?
In 2024 Medicare Part D data, Dr. Pantojas' most prescribed drugs by claims were Gabapentin, Tizanidine HCl and Pregabalin.
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Has Dr. Carlos A. Pantojas received payments from drug or device companies?
CMS Open Payments shows $621 in general payments to Dr. Pantojas from 7 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Carlos A. Pantojas been practicing?
Dr. Pantojas graduated from medical school in 1984, 42 years ago.
Does Dr. Carlos A. Pantojas do research?
Dmand AI links 1 publication to Dr. Pantojas. Dr. Pantojas has worked on 24 clinical trials.
Who does Dr. Carlos A. Pantojas publish with?
Dr. Pantojas' most frequent co-authors are Mark Christopher Genovese, MD (1 shared paper), Joel M. Kremer, MD (1 shared paper) and William Louis Macias, MD (1 shared paper).
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