MARK ELLESTAD MD
NPI 1891087136
Psychiatry & Neurology - Psychiatry in Seattle, WA

Q: What is Mark Ellestad's NPI number?

The NPI number for Mark Ellestad is 1891087136. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Q: What is Mark Ellestad's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mark Ellestad was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 May 04, 2011PECOS EnrolledAccepts Medicare Assignment

3417 EVANSTON AVE N STE 306, SEATTLE, WA 98103(206) 251-4014 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 24, 2026, Jun 18, 2025, Dec 30, 2022 and 3 more (6 updates tracked since 2017).

On this page

About Mark Ellestad Md NPPES

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

MARK ELLESTAD MD (NPI 1891087136) is an individual psychiatry provider in Seattle, Washington, licensed in Washington (MD60492007) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Highline Medical Center, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1891087136

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameMARK ELLESTADCredential: MD

Location Address3417 EVANSTON AVE N STE 306Seattle, WA 98103-8967

Mailing Address3417 Evanston Ave N Ste 306Seattle, WA 98103-8967 · (206) 659-1750 · Fax (206) 752-8505

Phone(206) 251-4014

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2011

Enumeration DateMay 4, 2011

Last NPPES UpdateMarch 24, 20266 updates tracked since enumeration

NPPES CertifiedMarch 24, 2026

✔ NPI 1891087136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in WA · MD60492007

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License MD60492007 (WA)

3417 EVANSTON AVE N STE 306, Seattle, WA 98103

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Secondary Practice Location 1

Location 1325 9th AveSeattle, WA 98104-2420 · Phone (206) 520-5000

Accepted Insurance

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

Mark Ellestad 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 ID6204155682

PECOS Enrollment IDI20150506001972

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

34 services25 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

20 services17 patients

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Highline Medical Center

Acute Care Hospitals · Burien, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500011

Location16251 Sylvester Road SWBurien, WA 98166 · King County

Emergency services Birthing friendly

Harborview Medical Center

Acute Care Hospitals · Seattle, WA

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number500064

Location325 9th AvenueSeattle, WA 98104 · King County

Emergency services

St Francis Community Hospital

Acute Care Hospitals · Federal Way, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500141

Location34515 9th Avenue SFederal Way, WA 98003 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98103 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

$189.37 typical visit price

range $63.67 – $189.37

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

Most-billed visit code 99205

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

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

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

MARK ELLESTAD, MD - PSYCHIATRIC SERVICES, PLLC

Psychiatry & Neurology (Psychiatry)

3417 EVANSTON AVE N STE 306
SEATTLE, WA 98103

King County (206) 251-4014

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 Ellestad's NPI number?

The NPI number for Mark Ellestad is 1891087136. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Where is Mark Ellestad located?

Mark Ellestad practices at 3417 Evanston Ave N Ste 306, Seattle, WA 98103. The listed phone number is (206) 251-4014.

What is Mark Ellestad's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mark Ellestad enrolled in Medicare?

Yes. Mark Ellestad 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 Mark Ellestad accept?

Health plans from PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Mark Ellestad 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 Mark Ellestad affiliated with any hospitals?

According to CMS data, Mark Ellestad is affiliated with Highline Medical Center, Harborview Medical Center and St Francis Community Hospital.

When was this NPI record last updated?

The NPPES record for Mark Ellestad was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.