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

DR. WILLIAM B. KESKIMAKI D.D.S.
NPI 1417935198
Dentist - General Practice in Alpena, MI

Q: What is William Keskimaki's NPI number?

The NPI number for William Keskimaki is 1417935198. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Q: What is William Keskimaki's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Keskimaki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.

Active since January 04, 2006PECOS Enrolled

330 LONG RAPIDS PLZ, ALPENA, MI 49707(989) 356-0191(989) 354-9159 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. William B. Keskimaki D.d.s. NPPES

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

DR. WILLIAM B. KESKIMAKI D.D.S. (NPI 1417935198) is an individual general practice provider in Alpena, Michigan, licensed in Michigan (015331) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417935198

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM B. KESKIMAKICredential: D.D.S.

Location Address330 LONG RAPIDS PLZAlpena, MI 49707-1374

Mailing Address330 Long Rapids PlzAlpena, MI 49707-1374 · (989) 356-0191 · Fax (989) 354-9159

Phone(989) 356-0191

Fax(989) 354-9159

Sole ProprietorNo

Enumeration DateJanuary 4, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1417935198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MI · 015331

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

330 LONG RAPIDS PLZ, Alpena, MI 49707

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Delta Dental of Michigan.Insurance ›

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. William B. Keskimaki D.d.s. 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 49707 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

$68.07 typical visit price

range $17.09 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

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.

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 William Keskimaki's NPI number?

The NPI number for William Keskimaki is 1417935198. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is William Keskimaki located?

William Keskimaki practices at 330 Long Rapids Plz, Alpena, MI 49707. The listed phone number is (989) 356-0191.

What is William Keskimaki's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is William Keskimaki enrolled in Medicare?

Yes. William Keskimaki is registered in the Medicare PECOS enrollment system.

What insurance does William Keskimaki accept?

Health plans from Delta Dental of Michigan list William Keskimaki 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 William Keskimaki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.