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Antirheumatic AgentsArthritis, RheumatoidHydroxychloroquine
Dr. Crispin Reynaldo Abarientos, MD
NPI1124292966
- Medicare services, 2019
- 6,164
- Part D claims, 2020
- 12
- Publications
- 1
- Industry payments
- $21,070
- State license
- 1
- Practice address
- 135 N McKinley St, Corona, CA 92879
- Practice phone
- Call (860) 358-6878
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Crispin Reynaldo Abarientos is a rheumatologist in Corona, California
Dr. Abarientos practices in Corona, California.
Dr. Abarientos' NPI, 1124292966, was assigned on April 14, 2008. Dr. Abarientos holds Connecticut license 046388.
NPI and contact details
- NPI
- 1124292966NPI Registry (opens in a new tab)
- NPI enumeration date
- April 14, 2008
- NPI status
- Active
- Practice phone
- (860) 358-6878
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Crispin Reynaldo Abarientos' practice address is in Corona, California
Dr. Abarientos' practice address in the NPI Registry is 135 N McKinley St, Corona, CA 92879, in Riverside County. The practice phone is (860) 358-6878.
- NPI Registry address135 N McKinley St, Corona, CA 92879 · Riverside CountyPhone(860) 358-6878
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Crispin Reynaldo Abarientos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abarientos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Abarientos' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Crispin Reynaldo Abarientos is one of 821 rheumatologists in California
Rheumatology is Dr. Abarientos' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Abarientos is licensed in Connecticut.
Specialties and state licenses
- Rheumatology, ConnecticutPrimary
Rheumatologists near Dr. Abarientos
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
821rheumatologists in California
3rheumatologists in Corona
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Crispin Reynaldo Abarientos billed Medicare for 6,164 services in 2019
CMS data shows 6,164 Medicare services from Dr. Abarientos across 8 procedure codes in 2019. Medicare paid $272,284 for them. Every service was in an office.
Medicare services, 20196,164
Paid by Medicare$272,284
Procedure codes8
Dr. Abarientos' Medicare services by type, 2018 to 2019
- 2018
- 2019
- Drugs given in the office
- 2018: 22,5022019: 5,48476%
- Tests and treatments
- 2018: 6982019: 37347%
- Office and hospital visits
- 2018: 5952019: 29151%
- Surgery
- 2018: 742019: 1678%
Dr. Abarientos compared with the California median for rheumatologists, 2019
- Dr. Abarientos
- California median
- Medicare services
- 6,164vs 9006.8 times
- Part D claims
- 12vs 96299% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Abarientos' most billed Medicare procedure codes, 2019
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. Abarientos and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Crispin Reynaldo Abarientos' patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Abarientos' median patient age at 73, with 71% women.
Dr. Abarientos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women71%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Crispin Reynaldo Abarientos wrote 12 Medicare Part D claims in 2020
In 2020, Dr. Abarientos wrote 12 Medicare Part D claims. They cover 1 drug, with $465 in total drug cost. In 2019, CMS named 1,517 claims across 40 drugs.
Part D claims, 202012
Drugs named by CMS1
Total drug cost$465
Dr. Abarientos' most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,5172020: 1299%
Drugs named by CMS: 1 in 2020, 40 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Crispin Reynaldo Abarientos has 1 publication on record
Dmand AI links 1 paper to Dr. Abarientos in 2011.
Papers1
Recent publications by Dr. Abarientos
See who Dr. Abarientos researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Abarientos 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. Crispin Reynaldo Abarientos received $21,070 in industry payments from 2016 to 2019
CMS Open Payments shows 818 general payments to Dr. Abarientos from 33 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 55% of the total. Janssen Pharmaceuticals, Inc paid the most, $10,703.
General payments to Dr. Abarientos by program year, 2016 to 2019
General payments to Dr. Abarientos by kind, 2016 to 2019
$21.1Kin total
- Food and beverage$11,57055%
- Consulting fees$9,20044%
- Education$3001%
Companies that paid Dr. Abarientos the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Crispin Reynaldo Abarientos'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) |
| 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. Crispin Reynaldo Abarientos
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. Crispin Reynaldo Abarientos' NPI number?
Dr. Crispin Reynaldo Abarientos' NPI number is 1124292966. It was assigned on April 14, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Crispin Reynaldo Abarientos?
Dr. Crispin Reynaldo Abarientos is a rheumatologist in Corona, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Crispin Reynaldo Abarientos practice?
Dr. Abarientos practices at 135 N McKinley St, Corona, CA 92879.
What is Dr. Crispin Reynaldo Abarientos' office phone number?
The practice phone on file for Dr. Abarientos is (860) 358-6878.
What is Dr. Crispin Reynaldo Abarientos' medical license number?
Dr. Abarientos holds Connecticut license 046388.
Does Dr. Crispin Reynaldo Abarientos accept Medicare?
Yes. CMS data shows Dr. Abarientos billed Medicare for 6,164 services in 2019.
What services does Dr. Crispin Reynaldo Abarientos bill to Medicare?
In 2019, Dr. Abarientos' most billed Medicare services were injected or infused drug (J0129), office visit, established patient (99214) and infusion or chemotherapy administration (96413).
What drugs does Dr. Crispin Reynaldo Abarientos prescribe most?
In 2020 Medicare Part D data, Dr. Abarientos' most prescribed drugs by claims were Methotrexate.
Has Dr. Crispin Reynaldo Abarientos received payments from drug or device companies?
CMS Open Payments shows $21,070 in general payments to Dr. Abarientos from 33 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Crispin Reynaldo Abarientos been practicing?
Dr. Abarientos' NPI was assigned in 2008.
Does Dr. Crispin Reynaldo Abarientos do research?
Dmand AI links 1 publication to Dr. Abarientos.
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