DR. NATHANIEL WISE CLARK DO
NPI 1144291360
Emergency Medicine - Emergency Medical Services in Seattle, WA

Q: What is Nathaniel Clark's NPI number?

The NPI number for Nathaniel Clark is 1144291360. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Q: What is Nathaniel Clark's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Clark was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 27, 2006PECOS EnrolledAccepts Medicare Assignment

201 16TH AVE E, SEATTLE, WA 98112(206) 326-3000(206) 326-2785 Get Directions Write a Review

NPPES record last updated: March 31, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 31, 2021, Mar 11, 2020 (2 updates tracked since 2020).

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About Dr. Nathaniel Wise Clark Do NPPES

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

DR. NATHANIEL WISE CLARK DO (NPI 1144291360) is an individual emergency medical services provider in Seattle, Washington, licensed in Washington (OP00002070) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Kaiser Permanente Central Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1144291360

Entity TypeIndividualMale

Primary Taxonomy207PE0004X

Provider Legal NameDR. NATHANIEL WISE CLARKCredential: DO

Location Address201 16TH AVE ESeattle, WA 98112-5226

Mailing Address201 16th Ave ESeattle, WA 98112-5226 · (206) 326-3000 · Fax (206) 326-2785

Phone(206) 326-3000

Fax(206) 326-2785

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateJanuary 27, 2006

Last NPPES UpdateMarch 31, 20212 updates tracked since enumeration

NPPES CertifiedMarch 31, 2021

✔ NPI 1144291360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians

Taxonomy Code207PE0004X

License✔ Licensed in WA · OP00002070

Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

201 16TH AVE E, Seattle, WA 98112

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Dr. Nathaniel Wise Clark Do 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 ID3870694979

PECOS Enrollment IDI20070719000287

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

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

Kaiser Permanente Central Hospital

Acute Care Hospitals · Seattle, WA

OwnershipVoluntary non-profit - Other

CMS Certification Number500052

Location201 - 16th Avenue EastSeattle, WA 98112 · King County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98112 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.

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.

DR. MICHAEL DONG CHO M.D.

Internal Medicine (Rheumatology)

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 326-3000

MRS. MELAINE MENDOZA ROMAN OTRP, OTR/L

Occupational Therapist

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 326-4545

NHI LUAN TAN

Student in an Organized Health Care Education/Training Program

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 326-3000

GROUP HEALTH COOPERATIVE

Clinic/Center (Ambulatory Surgical)

201 16TH AVE E, SUITE CMB-2
SEATTLE, WA 98112

King County (206) 326-2107

JOYCE KRISTINE AQUINO

Registered Nurse (Home Health)

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 326-4545

KIMBERLY DAWN GRASSMAN

Home Health Aide

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 635-1668

GARRETT KOBAYASHI PHARMD

Pharmacist

201 16TH AVE E
SEATTLE, WA 98112

King County (206) 326-2880

TAYLAR GALLUP OTR/L

Occupational Therapist

201 16TH AVE E
SEATTLE, WA 98112

King County (877) 751-2446

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 Nathaniel Clark's NPI number?

The NPI number for Nathaniel Clark is 1144291360. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Nathaniel Clark located?

Nathaniel Clark practices at 201 16th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.

What is Nathaniel Clark's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Nathaniel Clark enrolled in Medicare?

Yes. Nathaniel Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nathaniel Clark accept?

Health plans from Providence Health Plan list Nathaniel Clark 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.

Is Nathaniel Clark affiliated with any hospitals?

According to CMS data, Nathaniel Clark is affiliated with Kaiser Permanente Central Hospital.

When was this NPI record last updated?

The NPPES record for Nathaniel Clark was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.