NPPES file of Aug 9, 2026

Amy M. Maher, FNP

Family Nurse Practitioner · Alton, IL

Amy M. Maher, FNP is a family nurse practitioner with a practice address in Alton, Illinois, and NPI 1639679756, issued on Feb 15, 2018. Check the license (Illinois 209017244, 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
1639679756
Name
Amy M. Maher
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209017244 IL
Self-reported in NPPES; status is on the state search
Practice location
4 Memorial Dr Ste 125, Alton, IL 62002
Phone
(618) 433-7755
Enumerated
Feb 15, 2018
Record last updated
Feb 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(618) 433-6420
Medicare enrollment
Enrolled (PECOS I20190313002742); accepts Medicare assignment
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 family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 4 Memorial Dr Ste 125

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

  1. Debra Cunningham, CNM, CWHNPWomen's Health Nurse Practitioner1265418933
  2. Jordyn Hoemmen, WHNPNurse Practitioner1649916875
  3. Bindu Patel, MDObstetrics & Gynecology Physician1639518913
  4. Joseph Talsky, MDObstetrics & Gynecology Physician1629026208
  5. Christine Taylor, M.D.Obstetrics & Gynecology Physician1942223409

Verify Amy M. Maher 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 209017244    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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81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

248 Medicare Part D claims for 78 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Amy Maher248
  2. Specialty average1,305

Most prescribed

  1. Estradiol73 claims
  2. Triamcinolone Acetonide34 claims
  3. Valacyclovir27 claims
  4. Nystatin19 claims
  5. Estradiol (Once Weekly)11 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: $481.54

21 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amy Maher$481.54
  2. Specialty average$650.95

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. Fairview Heights Medical Group SCAlton, IL

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

Amy M. Maher among 7,639 family nurse practitioner records in Illinois

Amy M. Maher, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 44% of them.

  • NPI issued2018 · 44% of these records are older, 49% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2018 among the 4,778 with a school on file
  • Record last updated2021 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 family nurse practitioner records list a practice address in Alton

They are 38 of the 1,113 NPPES records with a practice address in Alton, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Alton → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jacqueline Baalman, FNP-BCAlton, IL 620021912236183
  2. Cody Bilderback, FNPAlton, IL 620021467890657
  3. Cheryl Bray, FNPAlton, IL 620021225121619
  4. Lynn Brown, F.N.P.Alton, IL 620021275611618
  5. Kelley Campbell, RN, FNP-BCAlton, IL 620021245590074
  6. Tracy Dietz, FNPAlton, IL 620021477941938
  7. Shelly Hanko, FNPAlton, IL 620021740303627
  8. Christine Harlan, FNP-BCAlton, IL 620021477882454

Common questions

What is Amy M. Maher, FNP's NPI number?

Amy M. Maher, FNP's National Provider Identifier (NPI) is 1639679756, issued on Feb 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Amy M. Maher, FNP located?

The NPPES record lists a practice address at 4 Memorial Dr Ste 125, Alton, IL, 62002. Phone: (618) 433-7755. Providers update this record themselves, so call before visiting.

How can I verify Amy M. Maher, FNP's license?

NPPES lists Illinois license number 209017244, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Amy M. Maher, FNP prescribe under Medicare Part D?

In 2024, Amy M. Maher, FNP had 248 Medicare Part D claims for 78 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.