NPPES file of Aug 9, 2026

Carolyn Marie Mayer, APRN, CNP

Nurse Practitioner · Orland Park, IL

Carolyn Marie Mayer, APRN, CNP is a nurse practitioner with a practice address in Orland Park, Illinois, and NPI 1073023263, issued on Oct 3, 2017. Check the license (Illinois 209.016666, 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
1073023263
Name
Carolyn Marie Mayer
Credential
APRN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.016666 IL
Self-reported in NPPES; status is on the state search
Practice location
15300 West Ave Ste 108, Orland Park, IL 60462
Phone
(708) 226-2318
Enumerated
Oct 3, 2017
Record last updated
Mar 14, 2024
Fax
(708) 226-2319
Medicare enrollment
Enrolled (PECOS I20180112000960); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 2017
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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Also registered at 15300 West Ave Ste 108

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

  1. Yaseen Alkaddoumi, M.D.Hematology & Oncology Physician1548668148
  2. Chad BarnesSurgical Oncology Physician1124461280
  3. Regina Chorley, APRN, CNPNurse Practitioner1528083342
  4. Melissa Gergel, MPAS, PA-CPhysician Assistant1972134187
  5. Lauren Gesell, APRN, CNPNurse Practitioner1083210678
  6. Amy Greene, LCSWClinical Social Worker1497489520

Verify Carolyn Marie Mayer 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 209.016666
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% fewer Medicare Part D claims than the average nurse practitioner in 2024

936 Medicare Part D claims for 277 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 141 claims were for opioids.

  1. Carolyn Mayer936
  2. Specialty average1,109

Most prescribed

  1. Prochlorperazine Maleate55 claims
  2. Hydrocodone-Acetaminophen49 claims
  3. Ondansetron Odt45 claims
  4. Prednisone44 claims
  5. Acyclovir41 claims
  6. Tramadol Hcl37 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: $35.71

2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carolyn Mayer$35.71
  2. Specialty average$791.64

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. Northwestern Medical Faculty FoundationOrland Park, IL

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

Carolyn Marie Mayer among 4,892 nurse practitioner records in Illinois

Carolyn Marie Mayer, APRN, CNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 42% of them.

  • NPI issued2017 · 42% of these records are older, 53% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2017 · median 2018 among the 3,389 with a school on file
  • Record last updated2024 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 nurse practitioner records list a practice address in Orland Park

They are 45 of the 1,925 NPPES records with a practice address in Orland Park, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Cheryl Boss, ANP-CNPOrland Park, IL 604621760436109
  2. Raquel Brillante, CNPOrland Park, IL 604621053320697
  3. Janet Burda, APRN, CNSOrland Park, IL 604621962827881
  4. Regina Chorley, APRN, CNPOrland Park, IL 604621528083342
  5. Holly Clark, N.P.Orland Park, IL 604621205823093
  6. Maki Cronin, APRN, CNPOrland Park, IL 604621558899377
  7. Carol Ingrisano, NPOrland Park, IL 604621205983996
  8. Mary Merlo, APRN, CNPOrland Park, IL 604621962892232

Common questions

What is Carolyn Marie Mayer, APRN, CNP's NPI number?

Carolyn Marie Mayer, APRN, CNP's National Provider Identifier (NPI) is 1073023263, issued on Oct 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn Marie Mayer, APRN, CNP located?

The NPPES record lists a practice address at 15300 West Ave Ste 108, Orland Park, IL, 60462. Phone: (708) 226-2318. Providers update this record themselves, so call before visiting.

How can I verify Carolyn Marie Mayer, APRN, CNP's license?

NPPES lists Illinois license number 209.016666, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Carolyn Marie Mayer, APRN, CNP prescribe under Medicare Part D?

In 2024, Carolyn Marie Mayer, APRN, CNP had 936 Medicare Part D claims for 277 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.

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.