NPPES file of Aug 9, 2026

Maria G. Bayas, NP

Acute Care Nurse Practitioner · Evergreen Park, IL

Maria G. Bayas, NP is an acute care nurse practitioner with a practice address in Evergreen Park, Illinois, and NPI 1972740660, issued on Jan 16, 2009. Check the license (Illinois 209-001111, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972740660
Name
Maria G. Bayas
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209-001111 IL
Self-reported in NPPES; status is on the state search
Practice location
2800 W 95TH St, Evergreen Park, IL 60805
Phone
(708) 229-4714
Enumerated
Jan 16, 2009
Record last updated
Aug 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050307000453); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →

Also registered at 2800 W 95TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vincent Adduci, CRNACertified Registered Nurse Anesthetist1790915890
  2. Mary Alberts, FNPFamily Nurse Practitioner1548041544
  3. Sunil Arora, M.D.Emergency Medicine Physician1609018217
  4. M.bassel Atassi, M.D.Hematology & Oncology Physician1689876328
  5. Merrill Barnes, MDAnatomic Pathology & Clinical Pathology Physician1033738034
  6. Karyn Benak, CRNACertified Registered Nurse Anesthetist1013959352

Verify Maria G. Bayas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209-001111    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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23% more Medicare Part D claims than the average acute care nurse practitioner in 2024

730 Medicare Part D claims for 114 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Maria Bayas730
  2. Specialty average594

Most prescribed

  1. Furosemide102 claims
  2. Spironolactone89 claims
  3. Jardiance78 claims
  4. Potassium Chloride73 claims
  5. Metoprolol Succinate66 claims
  6. Entresto57 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $446.93

10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Bayas$446.93
  2. Specialty average$647.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupEvergreen, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria G. Bayas among 639 acute care nurse practitioner records in Illinois

Maria G. Bayas, NP is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 15% of them.

  • NPI issued2009 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2017 among the 434 with a school on file
  • Record last updated2019 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Illinois

There are 639 acute care nurse practitioner records in Illinois.

All 639 in Illinois → Every provider in Evergreen Park → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Christine ChoEvergreen Park, IL 608051124514989
  2. Natalie ZoltekEvergreen Park, IL 608051295492536
  3. Mita Sass, NPNorridge, IL 607061679672133
  4. Leslie MoyarBourbonnais, IL 609141841732773
  5. Michelle Regehr, N.P.Chicago, IL 606861073563730
  6. Hannah Head, APRNChicago, IL 606771134800816
  7. Jennifer Casey, APNGibson City, IL 609361982029856
  8. Amanda Parrish, AGACNPGibson City, IL 609361386326718

Common questions

What is Maria G. Bayas, NP's NPI number?

Maria G. Bayas, NP's National Provider Identifier (NPI) is 1972740660, issued on Jan 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Maria G. Bayas, NP located?

The NPPES record lists a practice address at 2800 W 95TH St, Evergreen Park, IL, 60805. Phone: (708) 229-4714. Providers update this record themselves, so call before visiting.

How can I verify Maria G. Bayas, NP's license?

NPPES lists Illinois license number 209-001111, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Maria G. Bayas, NP prescribe under Medicare Part D?

In 2024, Maria G. Bayas, NP had 730 Medicare Part D claims for 114 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.