NELSON MCKAY MD
NPI 1558855452
Family Medicine in Seattle, WA

Q: What is Nelson Mckay's NPI number?

The NPI number for Nelson Mckay is 1558855452. It was assigned to this individual provider in the NPPES registry on June 15, 2018.

Q: What is Nelson Mckay's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Nelson Mckay was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since June 15, 2018PECOS EnrolledAccepts Medicare Assignment

4540 UNION BAY PL NE, SEATTLE, WA 98105(206) 320-3400(206) 320-5773 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 25, 2021, Jun 15, 2018 (2 updates tracked since 2018).

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About Nelson Mckay Md NPPES

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

NELSON MCKAY MD (NPI 1558855452) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD61194592) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1558855452

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameNELSON MCKAYCredential: MD

Location Address4540 UNION BAY PL NESeattle, WA 98105-4025

Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476

Phone(206) 320-3400

Fax(206) 320-5773

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateJune 15, 2018

Last NPPES UpdateFebruary 27, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 27, 2026

✔ NPI 1558855452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WA · MD61194592

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4540 UNION BAY PL NE, Seattle, WA 98105

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Other Identifiers 1

Medicaid2191570WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nelson Mckay Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678824711

PECOS Enrollment IDI20210929003522

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.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500025

Location500 17th AvenueSeattle, WA 98122 · King County

Emergency services

Swedish Edmonds Hospital

Acute Care Hospitals · Edmonds, WA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500026

Location21601 76th Avenue WestEdmonds, WA 98026 · Snohomish County

Emergency services Birthing friendly

Swedish Medical Center

Acute Care Hospitals · Seattle, WA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500027

Location747 BroadwaySeattle, WA 98122 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98105 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier12 claims12 services$175.92 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

HSIANG-HWA CHEN DO

Family Medicine