Arthritis, RheumatoidAutoantibodiesElbow
Dr. Adianez Santiago, MD
NPI1891272233PAC ID7719353168
- Part D claims, 2024
- 972
- Publications
- 3
- Industry payments
- $5,859
- Affiliated sites
- 1
- State license
- 1
- Practice address
- Manati Medical Plz # 104, Manati, PR 00674-5507
- Practice phone
- Call (939) 588-1199
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AS RHEUMATOLOGY LLC
Physician office · Manati, Puerto Rico
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Dr. Adianez Santiago is a rheumatologist in San Juan, Puerto Rico
Dr. Santiago practices at AS RHEUMATOLOGY LLC in Manati, Puerto Rico.
Dr. Santiago's NPI, 1891272233, was assigned on July 27, 2018. Dr. Santiago holds Puerto Rico license 21791.
NPI and contact details
- NPI
- 1891272233NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719353168
- NPI enumeration date
- July 27, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (939) 588-1199
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Adianez Santiago practices in Manati and San Juan
Dr. Santiago's primary practice is AS RHEUMATOLOGY LLC, at Manati Medical Plz # 104, Manati, PR 00674-5507. The practice phone is (939) 588-1199. The NPI Registry lists Dr. Santiago's practice address as 1485 Ave Ashford, San Juan, PR 00907.
- AS RHEUMATOLOGY LLCPrimaryManati Medical Plz # 104, Manati, PR 00674-5507Phone(939) 588-1199
- NPI Registry address1485 Ave Ashford, San Juan, PR 00907 · San Juan CountyPhone(939) 588-1199
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Adianez Santiago is affiliated with 1 site of care
Dr. Santiago's primary practice is AS RHEUMATOLOGY LLC in Manati, Puerto Rico.
AS RHEUMATOLOGY LLCPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Adianez Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santiago practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AS RHEUMATOLOGY LLC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Adianez Santiago is one of 74 rheumatologists in Puerto Rico
Rheumatology is Dr. Santiago's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Santiago is licensed in Puerto Rico.
Specialties and state licenses
- Rheumatology, Puerto RicoPrimary
Rheumatologists near Dr. Santiago
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. Adianez Santiago's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Dr. Santiago's median patient age at 45, with 88% women.
Dr. Santiago's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women88%
- Men13%
Source: Dmand AI Patient Panel Data
Dr. Adianez Santiago wrote 972 Medicare Part D claims in 2024
In 2024, Dr. Santiago wrote 972 Medicare Part D claims for 157 patients. 82% of them were for generic drugs. CMS names the drug for 834 of them, across 20 drugs with 11 or more claims each, at $670,579 in total drug cost. In 2023, CMS named 222 claims across 8 drugs.
Part D claims, 2024972
Drugs named by CMS20
Total drug cost$670,579
Part D patients157
Dr. Santiago's Part D claims by kind of drug, 2024
- Generic795 claims82%
- Brand-name177 claims18%
Dr. Santiago'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2222024: 834276%
Drugs named by CMS: 20 in 2024, 8 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. Adianez Santiago takes part in Medicare
Dr. Santiago 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. Adianez Santiago has 3 publications on record
Dmand AI links 3 papers to Dr. Santiago, published from 2013 to 2022. Dr. Santiago's most frequent co-authors are Scott A. Elman, MD and Derek Sven Stenquist, MD.
Papers3
Years published2013 to 2022
Dr. Santiago's most frequent co-authors
Recent publications by Dr. Santiago
Arthritis Care Res (Hoboken)
Arthroplasty, Replacement, KneeBostonDominican Republic
See who Dr. Santiago researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Santiago 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. Adianez Santiago received $5,859 in industry payments from 2019 to 2025
CMS Open Payments shows 47 general payments to Dr. Santiago from 11 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 56% of the total. Abbvie Inc. paid the most, $4,199.
General payments to Dr. Santiago by program year, 2019 to 2025
General payments to Dr. Santiago by kind, 2019 to 2025
$5.9Kin total
- Consulting fees$3,30056%
- Food and beverage$2,52843%
- Travel and lodging$311%
Companies that paid Dr. Santiago the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Adianez Santiago'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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) |
| 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 |
| 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. Adianez Santiago
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. Adianez Santiago's NPI number?
Dr. Adianez Santiago's NPI number is 1891272233. It was assigned on July 27, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Adianez Santiago?
Dr. Adianez Santiago is a rheumatologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Adianez Santiago practice?
Dr. Santiago practices at Manati Medical Plz # 104, Manati, PR 00674-5507. Dr. Santiago also practices at 1485 Ave Ashford, San Juan, PR 00907. Dr. Santiago's primary practice is AS RHEUMATOLOGY LLC in Manati, Puerto Rico.
What is Dr. Adianez Santiago's office phone number?
The practice phone on file for Dr. Santiago is (939) 588-1199.
What is Dr. Adianez Santiago's medical license number?
Dr. Santiago holds Puerto Rico license 21791.
Does Dr. Adianez Santiago accept Medicare?
Yes. CMS lists Dr. Santiago as accepting Medicare assignment.
What drugs does Dr. Adianez Santiago prescribe most?
In 2024 Medicare Part D data, Dr. Santiago's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Adianez Santiago received payments from drug or device companies?
CMS Open Payments shows $5,859 in general payments to Dr. Santiago from 11 companies from 2019 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Adianez Santiago been practicing?
Dr. Santiago graduated from medical school in 2013, 13 years ago.
Does Dr. Adianez Santiago do research?
Dmand AI links 3 publications to Dr. Santiago, published from 2013 to 2022.
Who does Dr. Adianez Santiago publish with?
Dr. Santiago's most frequent co-authors are Scott A. Elman, MD (2 shared papers) and Derek Sven Stenquist, MD (2 shared papers).
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