HONGSEOK AN D.D.S.
NPI 1093171555
Dentist - Prosthodontics in Milwaukee, WI

Active since January 13, 2016Opted out of Medicare · through Jul 18, 2028
1801 W WISCONSIN AVE, FACULTY PRACTICE, MILWAUKEE, WI 53233(414) 288-0788 Get Directions Write a Review

NPPES record last updated: January 13, 2016. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Hongseok An D.d.s. NPPES

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

HONGSEOK AN D.D.S. (NPI 1093171555) is an individual prosthodontics provider in Milwaukee, Wisconsin, licensed in Wisconsin (18070-875) and active in the NPI registry since January 2016. He has opted out of Medicare through July 18, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1093171555
Entity TypeIndividualMale
Primary Taxonomy1223P0700X
Provider Legal NameHONGSEOK ANCredential: D.D.S.
Location Address1801 W WISCONSIN AVE, FACULTY PRACTICEMilwaukee, WI 53233-2186
Mailing Address1801 W Wisconsin Ave, Room 318Milwaukee, WI 53233-2186 · (414) 288-6775
Sole ProprietorNo
Enumeration DateJanuary 13, 2016
✔ NPI 1093171555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers
Taxonomy Code1223P0700X
License✔ Licensed in WI · 18070-875
Definition
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.
1801 W WISCONSIN AVE, Milwaukee, WI 53233

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

Hongseok An D.d.s. 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 July 18, 2016 through July 18, 2028.

Opt-Out Effective DateJuly 18, 2016
Opt-Out In Effect ThroughJuly 18, 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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 20

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

Dentist (General Practice)
1801 W WISCONSIN AVE, SUITE 145 B
MILWAUKEE, WI 53233
Dentist
1801 W WISCONSIN AVE, MARQUETTE UNIVERSITY SCHOOL OF DENTISTRY. RM 325
MILWAUKEE, WI 53233
Dentist (General Practice)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Student in an Organized Health Care Education/Training Program
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Dentist (Prosthodontics)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Student in an Organized Health Care Education/Training Program
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Dentist
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233
Dentist (Periodontics)
1801 W WISCONSIN AVE
MILWAUKEE, WI 53233

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 Hongseok An's NPI number?

The NPI number for Hongseok An is 1093171555. It was assigned to this individual provider in the NPPES registry on January 13, 2016.

Where is Hongseok An located?

Hongseok An practices at 1801 W Wisconsin Ave Faculty Practice, Milwaukee, WI 53233. The listed phone number is (414) 288-0788.

What is Hongseok An's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Is Hongseok An enrolled in Medicare?

No. Hongseok An has opted out of Medicare through July 18, 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.

When was this NPI record last updated?

The NPPES record for Hongseok An was last updated on January 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.