MRS. ANN MARIE NIENHUIS (FNP-BC) – Family Nurse Practitioner, NPI 1093144123

MRS. ANN MARIE NIENHUIS (FNP-BC) is a healthcare provider. based in Muskegon, Michigan. specializing in NURSE PRACTITIONER. They hold the professional credentials FNP-BC. They hold a License No. 4704217181 (MI). The NPI Number for MRS. ANN MARIE NIENHUIS (FNP-BC) is 1093144123

Main info

Female
13 Years Of Experience
Accepts Medicare Assignment
Name
MRS. ANN MARIE NIENHUIS (FNP-BC)
NPI
1093144123
Phone
(231) 727-4444
Address
PO BOX 1848
Enumeration Date
8 November 2013
Last Update Date
5 April 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2013 (13 years ago)
PAC ID
0143450999
Group Practice PAC ID
8224078993
Professional Enrollment ID
I20140224000854
Address ID
MI494551209SH71XXXSTXX300

Contacts

Secure Messaging
ann.nienhuis@mercyhealth.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness85
Years active:12State licenses:1Other namesUpdated within 12 months

8,105 NURSE PRACTITIONER in MI

Provider Addresses for MRS. ANN MARIE NIENHUIS (FNP-BC)

  • PO BOX 1848

    MUSKEGON, MI 494431848

    Phone: (231) 727-4444

    Fax: (231) 728-4789

    Type: Mailing

  • 71 BEVIER ST

    SHELBY, MI 494551209

    Phone: (231) 861-2187

    Fax: (231) 861-5100

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-02-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140224000854INurse PractitionerMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 49443)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8224078993View full group profile
NameSpecialtyState
Clinical Social WorkerMI
General SurgeryMI
Family PracticeWY
Nurse PractitionerMI
Nurse PractitionerMI
Emergency MedicineMI
Family PracticeMI
Nurse PractitionerMI
Family PracticeMI

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Is MRS. ANN MARIE NIENHUIS (FNP-BC) listed with a National Provider Identifier?
Yes — MRS. ANN MARIE NIENHUIS (FNP-BC) has NPI 1093144123 on file in the registry.
Would MRS. ANN MARIE NIENHUIS (FNP-BC) appear as active to a payer?
You can treat MRS. ANN MARIE NIENHUIS (FNP-BC) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe MRS. ANN MARIE NIENHUIS (FNP-BC)'s focus?
For MRS. ANN MARIE NIENHUIS (FNP-BC), the primary taxonomy reads as Family Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What practice footprint exists for MRS. ANN MARIE NIENHUIS (FNP-BC)?
Travel planning: use Muskegon, Michigan as the reference point for MRS. ANN MARIE NIENHUIS (FNP-BC), then confirm.
Does MRS. ANN MARIE NIENHUIS (FNP-BC) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

Similar Providers

VALERIE ANN AHERN (N.P.)

Family Nurse Practitioner
PO BOX 1848
NPI: 1588665574

MRS. MARGARET-ELIZABETH R WOLTER (NP)

Family Nurse Practitioner
Baker Street, Muskegon Heights, Muskegon County, Michigan, 49444, United States
NPI: 1447251442

JERILYNN SPRING (FNP)

Family Nurse Practitioner
2009, Holton Road, Muskegon Township, Muskegon County, Michigan, 49445, United States
NPI: 1790767820

MICHELLE LEIGH MILLER (NP)

Nurse Practitioner
US Post Office - North Muskegon, 404, Center Street, North Muskegon, Muskegon County, Michigan, 49445, United States
NPI: 1184601841

SANDRA L BOOMER (FNP)

Family Nurse Practitioner
US Post Office - North Muskegon, 404, Center Street, North Muskegon, Muskegon County, Michigan, 49445, United States
NPI: 1811966252

TRACI L JONES (NP)

Nurse Practitioner
2201, South Getty Street, Muskegon Heights, Muskegon County, Michigan, 49444, United States
NPI: 1467493056

SUSAN K STRICKFADEN (N.P.)

Family Nurse Practitioner
100 MICHIGAN ST NE # MC845
NPI: 1851310361

ANN MARIE BAYS (C.F.N.P.)

Family Nurse Practitioner
US Post Office - North Muskegon, 404, Center Street, North Muskegon, Muskegon County, Michigan, 49445, United States
NPI: 1194734814

JANET E GRAHAM (DNP, FNP-BC)

Obstetrics & Gynecology Nurse Practitioner
US Post Office - North Muskegon, 404, Center Street, North Muskegon, Muskegon County, Michigan, 49445, United States
NPI: 1437244860