NPPES file of Aug 9, 2026

Melissa R. Maag, CNP

Family Nurse Practitioner · Lima, OH

Melissa R. Maag, CNP is a family nurse practitioner with a practice address in Lima, Ohio, and NPI 1497260046, issued on Dec 5, 2017. Check the license (Ohio APRN.CNP.022107, as entered in NPPES) with the Ohio 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
1497260046
Name
Melissa R. Maag
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN.CNP.022107 OH
Self-reported in NPPES; status is on the state search
Practice location
1550 N Main St, Lima, OH 45801
Phone
(419) 516-0327
Enumerated
Dec 5, 2017
Record last updated
Feb 2, 2024
Fax
(419) 225-8878
Medicare enrollment
Enrolled (PECOS I20171221002417); 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 9,647 in Ohio → Look up another NPI →

Also registered at 1550 N Main St

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

  1. Heidi Aust-Cox, LISW-SClinical Social Worker1730564345
  2. Payton Bassitt, CNPFamily Nurse Practitioner1720805351
  3. Kimberly Butler, LISWClinical Social Worker1528570025
  4. Ashley Conrad, FNPFamily Nurse Practitioner1861989915
  5. Shane Dumm, LPCCMental Health Counselor1689154197
  6. Samantha Farler, LISWClinical Social Worker1053296723

Verify Melissa R. Maag in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license APRN.CNP.022107    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 Ohio 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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3.9 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,037 Medicare Part D claims for 299 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 25 claims were for opioids.

  1. Melissa Maag5,037
  2. Specialty average1,305

Most prescribed

  1. Gabapentin216 claims
  2. Atorvastatin Calcium211 claims
  3. Amlodipine Besylate185 claims
  4. Levothyroxine Sodium183 claims
  5. Albuterol Sulfate Hfa154 claims
  6. Lisinopril118 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: $188.99

2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn 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. Melissa Maag$188.99
  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. Health Partners OF Western OhioLima, OH

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

Melissa R. Maag among 9,647 family nurse practitioner records in Ohio

Melissa R. Maag, CNP is one of 9,647 family nurse practitioner records with a practice address in Ohio. 82% 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 39% of them.

  • NPI issued2017 · 39% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2017 · median 2018 among the 6,366 with a school on file
  • Record last updated2024 · 40% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

143 family nurse practitioner records list a practice address in Lima

They are 143 of the 2,639 NPPES records with a practice address in Lima, and 9,647 family nurse practitioner records in Ohio.

All 9,647 in Ohio → Every provider in Lima → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Linda Brown, CNPLima, OH 458011952480014
  2. Amy Cleemput, CNSLima, OH 458011568702678
  3. Ruth Grothouse, C-NPLima, OH 458011033209010
  4. Melinda Harshfield, CNPLima, OH 458011922242270
  5. Katherine HoyingLima, OH 458011740587823
  6. Lisa Jordan, CNPLima, OH 458011356650055
  7. Jane Kamau, NPLima, OH 458011396990016
  8. Nancy Kinkley, CNPLima, OH 458011699924696

Common questions

What is Melissa R. Maag, CNP's NPI number?

Melissa R. Maag, CNP's National Provider Identifier (NPI) is 1497260046, issued on Dec 5, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Melissa R. Maag, CNP located?

The NPPES record lists a practice address at 1550 N Main St, Lima, OH, 45801. Phone: (419) 516-0327. Providers update this record themselves, so call before visiting.

How can I verify Melissa R. Maag, CNP's license?

NPPES lists Ohio license number APRN.CNP.022107, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa R. Maag, CNP prescribe under Medicare Part D?

In 2024, Melissa R. Maag, CNP had 5,037 Medicare Part D claims for 299 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.