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NICHOLAS WILLIAM ALFRED TSEFFOS DDS
NPI 1184019762
Student in an Organized Health Care Education/Training Program in Milwaukee, WI

Active since April 01, 2015Opted out of Medicare · through Jan 2, 2028
1801 W WISCONSIN AVE, MILWAUKEE, WI 53233(414) 288-6790(414) 288-3586 Get Directions Write a Review

NPPES record last updated: April 16, 2019. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Nicholas William Alfred Tseffos Dds NPPES

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

NICHOLAS WILLIAM ALFRED TSEFFOS DDS (NPI 1184019762) is an individual student in an organized health care education/training program in Milwaukee, Wisconsin and active in the NPI registry since April 2015. He has opted out of Medicare through January 2, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1184019762
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameNICHOLAS WILLIAM ALFRED TSEFFOSCredential: DDS
Location Address1801 W WISCONSIN AVEMilwaukee, WI 53233-2186
Mailing Address5395 W Michaels DrAppleton, WI 54913-8447 · (920) 739-1214 · Fax (920) 739-5855
Phone(414) 288-6790
Fax(414) 288-3586
Sole ProprietorNo
Enumeration DateApril 1, 2015
Last NPPES UpdateApril 16, 2019
✔ NPI 1184019762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1801 W WISCONSIN AVE, Milwaukee, WI 53233
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Delta Dental of Wisconsin, Inc., Humana.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Nicholas William Alfred Tseffos Dds 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 2, 2024 through January 2, 2028.

Opt-Out Effective DateJanuary 2, 2024
Opt-Out In Effect ThroughJanuary 2, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

MARQUETTE UNIVERSITY
Dentist (General Practice)
1801 W WISCONSIN AVE, SUITE 145 B
MILWAUKEE, WI 53233
Milwaukee County (414) 288-5902
AMIR SEIFI DDS
Dentist
1801 W WISCONSIN AVE, MARQUETTE UNIVERSITY SCHOOL OF DENTISTRY. RM 325
MILWAUKEE, WI 53233
Milwaukee County (414) 288-6517
NARINE MIRZOYAN
Dentist (General Practice)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (262) 744-7463
DR. ARDITA AJVAZI
Student in an Organized Health Care Education/Training Program
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (414) 288-7271
JACK MICHAEL KEESLER DDS, MSD
Dentist (Prosthodontics)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (414) 288-5485
BRETT ANDREW KELLY
Student in an Organized Health Care Education/Training Program
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (219) 776-9378
MIRANDA SAITOSKI DDS
Dentist
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (414) 288-6790
JEN CHEN
Dentist (Periodontics)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Milwaukee County (414) 288-6790

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 Nicholas Tseffos's NPI number?

The NPI number for Nicholas Tseffos is 1184019762. It was assigned to this individual provider in the NPPES registry on April 1, 2015.

Where is Nicholas Tseffos located?

Nicholas Tseffos practices at 1801 W Wisconsin Ave, Milwaukee, WI 53233. The listed phone number is (414) 288-6790.

What is Nicholas Tseffos's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Nicholas Tseffos enrolled in Medicare?

No. Nicholas Tseffos has opted out of Medicare through January 2, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Nicholas Tseffos accept?

Health plans from Delta Dental of Wisconsin, Inc. and Humana list Nicholas Tseffos 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 Nicholas Tseffos was last updated on April 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.