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MARY MACK DNP
NPI 1962023598
Nurse Practitioner - Family in Lynnwood, WA

Active since May 05, 2020PECOS Enrolled
3400 188TH ST SW STE 241, LYNNWOOD, WA 98037(346) 376-1702 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 23, 2026, Mar 7, 2023, May 12, 2020 and 1 more (4 updates tracked since 2020).

About Mary Mack Dnp NPPES

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

MARY MACK DNP (NPI 1962023598) is an individual family provider in Lynnwood, Washington, licensed in Washington (AP.61599107) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962023598
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY MACKCredential: DNP
Location Address3400 188TH ST SW STE 241Lynnwood, WA 98037-4792
Mailing Address17855 Dallas Pkwy Ste 200Dallas, TX 75287-6857 · (800) 834-3059
Phone(346) 376-1702
Sole ProprietorYes
Enumeration DateMay 5, 2020
Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1962023598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WA · AP.61599107
3400 188TH ST SW STE 241, Lynnwood, WA 98037
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Mack Dnp 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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Mack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Signify Health Medical Associates, PLLC
1,677 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Washington enrollment
  • 317 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98037 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
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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 2

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

SEASONS HOSPICE & PALLIATIVE CARE OF SNOHOMISH COUNTY WASHINGTON, LLC
Hospice Care, Community Based
3400 188TH ST SW STE 241
LYNNWOOD, WA 98037
Snohomish County (425) 336-4934
ACCENTCARE HOME HEALTH OF SNOHOMISH COUNTY, LLC
Home Health
3400 188TH ST SW STE 241
LYNNWOOD, WA 98037
Snohomish County (000) 000-0000

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 Mary Mack's NPI number?

The NPI number for Mary Mack is 1962023598. It was assigned to this individual provider in the NPPES registry on May 5, 2020.

Where is Mary Mack located?

Mary Mack practices at 3400 188th St SW Ste 241, Lynnwood, WA 98037. The listed phone number is (346) 376-1702.

What is Mary Mack's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Mack enrolled in Medicare?

Yes. Mary Mack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Mack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mack reassigns Medicare benefits to Signify Health Medical Associates, PLLC (Dallas, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Mack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Mack was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.