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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARLIN AMY HALDER MD
NPI 1881386951
Family Medicine in Portage, MI

Active since May 25, 2023PECOS Enrolled
7901 ANGLING RD STE 4, PORTAGE, MI 49024(269) 337-6500 Get Directions Write a Review

NPPES record last updated: June 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 9, 2023, May 25, 2023 (2 updates tracked since 2023).

About Dr. Marlin Amy Halder Md NPPES

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

DR. MARLIN AMY HALDER MD (NPI 1881386951) is an individual family medicine provider in Portage, Michigan, licensed in Michigan (4301517493) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Kalamazoo.

NPPES Registry Identity

NPI1881386951
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARLIN AMY HALDERCredential: MD
Location Address7901 ANGLING RD STE 4Portage, MI 49024-0714
Mailing Address7901 Angling Rd Ste 4Portage, MI 49024-0714 · (269) 324-8600
Phone(269) 337-6500
Sole ProprietorNo
Enumeration DateMay 25, 2023
Last NPPES UpdateJune 20, 20262 updates tracked since enumeration
NPPES CertifiedJune 20, 2026
✔ NPI 1881386951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MI · 4301517493
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.
7901 ANGLING RD STE 4, Portage, MI 49024
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Secondary Practice Location 1

Location 11000 Oakland DrKalamazoo, MI 49008-1282 · Phone (269) 585-0200

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marlin Amy Halder Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49024 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.

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 Marlin Halder's NPI number?

The NPI number for Marlin Halder is 1881386951. It was assigned to this individual provider in the NPPES registry on May 25, 2023.

Where is Marlin Halder located?

Marlin Halder practices at 7901 Angling Rd Ste 4, Portage, MI 49024. The listed phone number is (269) 337-6500.

What is Marlin Halder's specialty?

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

Is Marlin Halder enrolled in Medicare?

Yes. Marlin Halder is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marlin Halder was last updated on June 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.