CoinfectionCryptosporidiosisCryptosporidium
Dr. Matas Orentas, DO
NPI1396303004PAC ID0547595704
- Part D claims, 2024
- 163
- Publications
- 2
- Hospital affiliations
- 4
- Industry payments
- $3,166
- Medical group
- 1
- Practice address
- 1550 N Randall Rd, Elgin, IL 60123
- Practice phone
- Call (815) 398-9491
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OrthoIllinois Physical Therapy Clinic - Elgin
Physical Therapy Clinic · Elgin, Illinois
Find Dr. Orentas' 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. Matas Orentas is a rheumatologist in Elgin, Illinois
Dr. Orentas practices at OrthoIllinois Physical Therapy Clinic - Elgin in Elgin, Illinois.
Dr. Orentas' NPI, 1396303004, was assigned on May 29, 2019. Dr. Orentas holds Illinois license 036159472.
NPI and contact details
- NPI
- 1396303004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547595704
- NPI enumeration date
- May 29, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 398-9491
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matas Orentas practices at OrthoIllinois Physical Therapy Clinic - Elgin in Elgin, Illinois
Dr. Orentas' primary practice is OrthoIllinois Physical Therapy Clinic - Elgin, at 1550 N Randall Rd, Elgin, IL 60123. The practice phone is (815) 398-9491.
- OrthoIllinois Physical Therapy Clinic - Elgin1550 N Randall Rd, Elgin, IL 60123Phone(815) 398-9491
Source: Dmand AI Affiliation Data
Dr. Matas Orentas is affiliated with 6 sites of care and 1 medical group
Dr. Orentas' primary practice is OrthoIllinois Physical Therapy Clinic - Elgin in Elgin, Illinois. Dr. Orentas is also affiliated with Advocate Sherman Hospital. The medical group on file is OrthoIllinois. Dmand AI also links Dr. Orentas to 3 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Orentas' employer is on file too: a physical therapy & rehab clinic.
OrthoIllinois Physical Therapy Clinic - ElginPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matas Orentas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Orentas practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OrthoIllinois Physical Therapy Clinic - Elgin | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matas Orentas is one of 285 rheumatologists in Illinois
Rheumatology is Dr. Orentas' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Orentas is licensed in Illinois.
Specialties and state licenses
- Rheumatology, IllinoisPrimary
Rheumatologists near Dr. Orentas
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
285rheumatologists in Illinois
3rheumatologists in Elgin
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matas Orentas' patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Orentas' median patient age at 63, with 75% women.
Dr. Orentas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Matas Orentas wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Orentas wrote 163 Medicare Part D claims for 34 patients. 67% of them were for generic drugs. CMS names the drug for 86 of them, across 6 drugs with 11 or more claims each, at $251,800 in total drug cost. In 2023, CMS named 101 claims across 5 drugs.
Part D claims, 2024163
Drugs named by CMS6
Total drug cost$251,800
Part D patients34
Dr. Orentas' Part D claims by kind of drug, 2024
- Generic110 claims67%
- Brand-name53 claims33%
Dr. Orentas' 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: 1012024: 8615%
Drugs named by CMS: 6 in 2024, 5 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. Matas Orentas takes part in Medicare
Dr. Orentas 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. Matas Orentas has 2 publications on record
Dmand AI links 2 papers to Dr. Orentas, published from 2022 to 2023. Dr. Orentas' most frequent co-authors are Janelle Castellino, MD, PharmD, Sobia Hassan, MD and Roger Alan Rodby, MD.
Papers2
Years published2022 to 2023
Dr. Orentas' most frequent co-authors
- Janelle Castellino, MD, PharmD1 shared paper
- Sobia Hassan, MD1 shared paper
- Roger Alan Rodby, MD1 shared paper
Recent publications by Dr. Orentas
See who Dr. Orentas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Orentas 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. Matas Orentas received $3,166 in industry payments from 2022 to 2025
CMS Open Payments shows 62 general payments to Dr. Orentas from 19 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $845.
General payments to Dr. Orentas by program year, 2022 to 2025
General payments to Dr. Orentas by kind, 2022 to 2025
$3.2Kin total
- Food and beverage$3,10898%
- Education$582%
Companies that paid Dr. Orentas the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matas Orentas'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Matas Orentas
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. Matas Orentas' NPI number?
Dr. Matas Orentas' NPI number is 1396303004. It was assigned on May 29, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Matas Orentas?
Dr. Matas Orentas is a rheumatologist in Elgin, Illinois. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Matas Orentas practice?
Dr. Orentas practices at 1550 N Randall Rd, Elgin, IL 60123. Dr. Orentas' primary practice is OrthoIllinois Physical Therapy Clinic - Elgin in Elgin, Illinois. Dmand AI also links Dr. Orentas to 3 hospitals and 1 group practice or clinic.
What is Dr. Matas Orentas' office phone number?
The practice phone on file for Dr. Orentas is (815) 398-9491.
What is Dr. Matas Orentas' medical license number?
Dr. Orentas holds Illinois license 036159472.
Which hospitals is Dr. Matas Orentas affiliated with?
Dr. Orentas is affiliated with Advocate Sherman Hospital. Dmand AI links Dr. Orentas to 3 more hospitals.
What medical group is Dr. Matas Orentas part of?
Dr. Orentas is linked to OrthoIllinois.
Does Dr. Matas Orentas accept Medicare?
Yes. CMS lists Dr. Orentas as accepting Medicare assignment.
What drugs does Dr. Matas Orentas prescribe most?
In 2024 Medicare Part D data, Dr. Orentas' most prescribed drugs by claims were Duloxetine HCl, Gammagard Liquid and Prednisone.
Has Dr. Matas Orentas received payments from drug or device companies?
CMS Open Payments shows $3,166 in general payments to Dr. Orentas from 19 companies from 2022 to 2025. The largest total came from Abbvie Inc.
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How long has Dr. Matas Orentas been practicing?
Dr. Orentas graduated from medical school in 2019, 7 years ago.
Does Dr. Matas Orentas do research?
Dmand AI links 2 publications to Dr. Orentas, published from 2022 to 2023.
Who does Dr. Matas Orentas publish with?
Dr. Orentas' most frequent co-authors are Janelle Castellino, MD, PharmD (1 shared paper), Sobia Hassan, MD (1 shared paper) and Roger Alan Rodby, MD (1 shared paper).
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