NPPES file of Aug 9, 2026

Mallory Christine Layman, FNP

Family Nurse Practitioner · Ionia, MI

Mallory Christine Layman, FNP is a family nurse practitioner with a practice address in Ionia, Michigan, and NPI 1558959429, issued on Jan 6, 2021. Check the license (Michigan 4704329733, as entered in NPPES) with the Michigan 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
1558959429
Name
Mallory Christine Layman
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704329733 MI
Self-reported in NPPES; status is on the state search
Practice location
2776 S State RD, Ionia, MI 48846
Phone
(616) 775-7500
Enumerated
Jan 6, 2021
Record last updated
May 21, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2776 S State RD

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

  1. Jane Bennett, N.P.-CFamily Nurse Practitioner1992244974
  2. Kayley Bruinsma, NP-CNurse Practitioner1689076317
  3. Alyssa Cosselmon, PHARMDPharmacist1740052380
  4. Patricia Donahue, PAPhysician Assistant1972841419
  5. Blake GeschkePhysician Assistant1710422696
  6. Donald Gingerich, D.O.Family Medicine Physician1043311772

Verify Mallory Christine Layman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704329733
    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 Michigan 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

76% fewer Medicare Part D claims than the average family nurse practitioner in 2024

312 Medicare Part D claims for 187 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mallory Layman312
  2. Specialty average1,305

Most prescribed

  1. Prednisone54 claims
  2. Amoxicillin-Clavulanate Potass20 claims
  3. Azithromycin20 claims
  4. Cephalexin18 claims
  5. Cefuroxime13 claims
  6. Rosuvastatin Calcium12 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: $124.99

1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, 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. Mallory Layman$124.99
  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.

Mallory Christine Layman among 5,356 family nurse practitioner records in Michigan

Mallory Christine Layman, FNP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 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 2021, is newer than 62% of them.

  • NPI issued2021 · 62% of these records are older, 29% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2026 · 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family nurse practitioner records list a practice address in Ionia

They are 17 of the 425 NPPES records with a practice address in Ionia, and 5,356 family nurse practitioner records in Michigan.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jane Bennett, N.P.-CIonia, MI 488461992244974
  2. Jamie Gothberg, NPIonia, MI 488461235605833
  3. Connie Huhn, NPIonia, MI 488461780186254
  4. Aimee Johnson, FNP-CIonia, MI 488461710317763
  5. Devon Kruger, NPIonia, MI 488461619578234
  6. Christina Reisinger, N.P.Ionia, MI 488461093019218
  7. Amy Roy, NPCIonia, MI 488461538166186
  8. Ashleigh Roy, NPIonia, MI 488461144815200

Common questions

What is Mallory Christine Layman, FNP's NPI number?

Mallory Christine Layman, FNP's National Provider Identifier (NPI) is 1558959429, issued on Jan 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Christine Layman, FNP located?

The NPPES record lists a practice address at 2776 S State RD, Ionia, MI, 48846. Phone: (616) 775-7500. Providers update this record themselves, so call before visiting.

How can I verify Mallory Christine Layman, FNP's license?

NPPES lists Michigan license number 4704329733, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mallory Christine Layman, FNP prescribe under Medicare Part D?

In 2024, Mallory Christine Layman, FNP had 312 Medicare Part D claims for 187 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.

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.