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DR. MARK W NIEDFELDT MD
NPI 1205887775
Family Medicine in Mequon, WI

Active since May 12, 2006PECOS EnrolledAccepts Medicare Assignment
10325 N PORT WASHINGTON RD STE 150, MEQUON, WI 53092(262) 643-4720(262) 643-4721 Get Directions Write a Review

NPPES record last updated: September 24, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark W Niedfeldt Md NPPES

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

DR. MARK W NIEDFELDT MD (NPI 1205887775) is an individual family medicine provider in Mequon, Wisconsin, licensed in Wisconsin (35201) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Medical College Of Wisconsin (1988).

NPPES Registry Identity

NPI1205887775
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARK W NIEDFELDTCredential: MD
Location Address10325 N PORT WASHINGTON RD STE 150Mequon, WI 53092-5768
Mailing Address10556 North Port Washington Road, Suite 101Mequon, WI 53092-5586 · (262) 643-4720 · Fax (262) 643-4721
Phone(262) 643-4720
Fax(262) 643-4721
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1988
Enumeration DateMay 12, 2006
Last NPPES UpdateSeptember 24, 2024
NPPES CertifiedSeptember 24, 2024
✔ NPI 1205887775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WI · 35201
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.
10325 N PORT WASHINGTON RD STE 150, Mequon, WI 53092
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Other Identifiers 2

Medicaid32113600WI
Other002000187CHumana

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark W Niedfeldt Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618941113
PECOS Enrollment IDI20040820000961
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53092 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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

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

COLAB PHYSICIANS, SC
Family Medicine
10325 N PORT WASHINGTON RD STE 150
MEQUON, WI 53092
Ozaukee County (262) 643-4720

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 Mark Niedfeldt's NPI number?

The NPI number for Mark Niedfeldt is 1205887775. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Mark Niedfeldt located?

Mark Niedfeldt practices at 10325 N Port Washington Rd Ste 150, Mequon, WI 53092. The listed phone number is (262) 643-4720.

What is Mark Niedfeldt's specialty?

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

Is Mark Niedfeldt enrolled in Medicare?

Yes. Mark Niedfeldt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Niedfeldt accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Mark Niedfeldt 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.

Is Mark Niedfeldt affiliated with any hospitals?

According to CMS data, Mark Niedfeldt is affiliated with Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Mark Niedfeldt was last updated on September 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.