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DR. MARY LOUISE LOUDER DO
NPI 1437220241
Family Medicine in Holland, MI

Active since November 13, 2006Opted out of Medicare · through Jan 1, 2027
2695 PINEHILL DR, HOLLAND, MI 49424(616) 201-8955(616) 656-3701 Get Directions Write a Review

NPPES record last updated: November 25, 2022. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 25, 2022, Dec 7, 2020 (2 updates tracked since 2020).

About Dr. Mary Louise Louder Do NPPES

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

DR. MARY LOUISE LOUDER DO (NPI 1437220241) is an individual family medicine provider in Holland, Michigan, licensed in Michigan (MI5101012165) and active in the NPI registry since November 2006. She has opted out of Medicare through January 1, 2027.

NPPES Registry Identity

NPI1437220241
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARY LOUISE LOUDERCredential: DO
Location Address2695 PINEHILL DRHolland, MI 49424
Mailing Address3700 52nd St SeGrand Rapids, MI 49512-9637 · (616) 656-3700 · Fax (616) 656-3701
Phone(616) 201-8955
Fax(616) 656-3701
Sole ProprietorNo
Enumeration DateNovember 13, 2006
Last NPPES UpdateNovember 25, 20222 updates tracked since enumeration
NPPES CertifiedNovember 25, 2022
✔ NPI 1437220241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MI · MI5101012165✔ Licensed in SC · TL-1033✔ Licensed in CO · CO 40167✔ Licensed in OH · 34-008880✔ Licensed in IN · 02003339A
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2695 PINEHILL DR, Holland, MI 49424
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Other Names 1

Former Name (1)Mary Louise Mark D.o.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mary Louise Louder Do has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2025 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2025
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

MARY LOUDER, DO PLLC
Clinic/Center
2695 PINEHILL DR
HOLLAND, MI 49424
Ottawa County (616) 201-8955

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 Mary Louder's NPI number?

The NPI number for Mary Louder is 1437220241. It was assigned to this individual provider in the NPPES registry on November 13, 2006. The provider is also known as Mary Louise Mark D.O..

Where is Mary Louder located?

Mary Louder practices at 2695 Pinehill Dr, Holland, MI 49424. The listed phone number is (616) 201-8955.

What is Mary Louder's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Louder enrolled in Medicare?

No. Mary Louder has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mary Louder was last updated on November 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.