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MRS. MALLORY CHRISTINE LAYMAN FNP
NPI 1558959429
Nurse Practitioner - Family in Ionia, MI

Active since January 06, 2021PECOS Enrolled
2776 S STATE RD, IONIA, MI 48846(616) 775-7500 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 21, 2026, Feb 7, 2022, Feb 6, 2022 and 1 more (4 updates tracked since 2021).

About Mrs. Mallory Christine Layman Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MALLORY CHRISTINE LAYMAN FNP (NPI 1558959429) is an individual family provider in Ionia, Michigan, licensed in Michigan (4704329733) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558959429
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. MALLORY CHRISTINE LAYMANCredential: FNP
Location Address2776 S STATE RDIonia, MI 48846-8472
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 775-7500
Sole ProprietorNo
Enumeration DateJanuary 6, 2021
Last NPPES UpdateMay 21, 20264 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1558959429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704329733
2776 S STATE RD, Ionia, MI 48846
Open in Google Maps ↗

Other Names 1

Former Name (1)Miss Mallory Christine Murphy

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mallory Christine Layman Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Mallory Layman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Spectrum Health United
14 mi
Family Medicine
421 S BALDWIN ST
Greenville, MI 48838
  • Reassigned Medicare billing, Michigan enrollment
  • 242 clinicians in this Medicare group
NPI 1063781342 (616) 225-8667
Spectrum Health Primary Care Partners
26 mi
Radiology
4100 LAKE DR SE, SUITE 102
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1528374683 (616) 974-4800
Pennock Hospital Board Of Trustees
29 mi
Emergency Medicine
1009 W GREEN STREET
Hastings, MI 49058
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Pennock Hospital
  • 184 clinicians in this Medicare group
NPI 1841488178 (269) 945-1212

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48846 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA ANNE YATES NP
Nurse Practitioner (Family)
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
DR. DONALD J GINGERICH D.O.
Family Medicine
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
MS. CHRISTINA L REISINGER N.P.
Nurse Practitioner (Family)
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
PENNOCK HOSPITAL BOARD OF TRUSTEES
Family Medicine
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 486-6790
ASHLEIGH ANNE ROY NP
Nurse Practitioner (Family)
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
JEREMIAH MICHAEL PALMER DO
Family Medicine
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
SPECTRUM HEALTH UNITED
Clinic/Center (Rural Health)
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500
JAMIE LYNN GOTHBERG NP
Nurse Practitioner (Family)
2776 S STATE RD
IONIA, MI 48846
Ionia County (616) 775-7500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mallory Layman's NPI number?

The NPI number for Mallory Layman is 1558959429. It was assigned to this individual provider in the NPPES registry on January 6, 2021. The provider is also known as Miss Mallory Christine Murphy.

Where is Mallory Layman located?

Mallory Layman practices at 2776 S State Rd, Ionia, MI 48846. The listed phone number is (616) 775-7500.

What is Mallory Layman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mallory Layman enrolled in Medicare?

Yes. Mallory Layman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mallory Layman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Layman reassigns Medicare benefits to 3 organizations: Spectrum Health United (Greenville, MI), Spectrum Health Primary Care Partners (Grand Rapids, MI) and Pennock Hospital Board Of Trustees (Hastings, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mallory Layman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mallory Layman accept?

Health plans from Priority Health list Mallory Layman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mallory Layman was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.