DR. MARK A JANCZAKOWSKI DDS
NPI 1881673812
Dentist - General Practice in Lynnwood, WA

Q: What is Mark Janczakowski's NPI number?

The NPI number for Mark Janczakowski is 1881673812. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Q: What is Mark Janczakowski'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 Mark Janczakowski was last updated on June 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since January 10, 2006PECOS Enrolled

19320 40TH AVE W STE B, LYNNWOOD, WA 98036(425) 771-9090(425) 775-1549 Get Directions Write a Review

NPPES record last updated: June 2, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mark A Janczakowski Dds NPPES

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

DR. MARK A JANCZAKOWSKI DDS (NPI 1881673812) is an individual general practice provider in Lynnwood, Washington, licensed in Washington (7880) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881673812

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARK A JANCZAKOWSKICredential: DDS

Location Address19320 40TH AVE W STE BLynnwood, WA 98036-4602

Mailing Address19320 40th Ave W Ste BLynnwood, WA 98036-4602 · (425) 771-9090 · Fax (425) 775-1549

Phone(425) 771-9090

Fax(425) 775-1549

Sole ProprietorYes

Enumeration DateJanuary 10, 2006

Last NPPES UpdateJune 2, 2022

NPPES CertifiedJune 2, 2022

✔ NPI 1881673812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in WA · 7880

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.

19320 40TH AVE W STE B, Lynnwood, WA 98036

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.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. Mark A Janczakowski Dds 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 98036 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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 3

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

BYRONSMIZUHA DMD,MSD, PS

Advanced Practice Dental Therapist

19320 40TH AVE W STE B
LYNNWOOD, WA 98036

Snohomish County (425) 771-3000

HYUNSEO PARK

Dentist

19320 40TH AVE W STE B
LYNNWOOD, WA 98036

Snohomish County (425) 510-2134

HYUN S PARK PS CORP

Dentist (General Practice)

19320 40TH AVE W STE B
LYNNWOOD, WA 98036

Snohomish County (425) 510-2134

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 Janczakowski's NPI number?

The NPI number for Mark Janczakowski is 1881673812. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Mark Janczakowski located?

Mark Janczakowski practices at 19320 40th Ave W Ste B, Lynnwood, WA 98036. The listed phone number is (425) 771-9090.

What is Mark Janczakowski's specialty?

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

Is Mark Janczakowski enrolled in Medicare?

Yes. Mark Janczakowski is registered in the Medicare PECOS enrollment system.

What insurance does Mark Janczakowski accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Mark Janczakowski 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 Mark Janczakowski was last updated on June 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.