Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Matas Orentas, DO

Individual provider Internal Medicine Physician · NPI 1396303004

Dr. Matas Orentas, DO practises Internal Medicine in Elgin, Illinois. Qualified in 2019, 7 years ago. Practices with Orthomidwest, PLLC, a 537-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Licensed in
IL
In the registry since
2019
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1550 N Randall Rd
Elgin, IL 60123-7876
Phone: (815) 569-6355
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4119 W Shamrock Ln, McHenry, IL 60050-8268 — (815) 398-9491

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 036159472 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036159472 (IL)

Record details

NPI number1396303004
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 29, 2019
Last updated in NPPESOctober 16, 2024
Certification dateOctober 16, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Orthomidwest, Pllc — 537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,464 45 payments · a meal or drink at a meeting or visit, not a fee
Education $58 2 payments · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Orthomidwest, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 537 clinicians in the practice; 12 are shown here.

Other providers in Elgin