Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARCUS BASIRI MD, PHD
NPI 1104520873
Pediatrics - Pediatric Critical Care Medicine in Seattle, WA

Q: What is Marcus Basiri's NPI number?

The NPI number for Marcus Basiri is 1104520873. It was assigned to this individual provider in the NPPES registry on March 28, 2023.

Q: What is Marcus Basiri's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Q: When was this NPI record last updated?

The NPPES record for Marcus Basiri was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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 March 28, 2023

4800 SAND POINT WAY NE, SEATTLE, WA 98105(617) 726-7782 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 20, 2026, Mar 28, 2023 (2 updates tracked since 2023).

On this page

About Marcus Basiri Md, Phd NPPES

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

MARCUS BASIRI MD, PHD (NPI 1104520873) is an individual pediatric critical care medicine provider in Seattle, Washington, licensed in Washington (MD.MD.70128720) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1104520873

Entity TypeIndividualMale

Primary Taxonomy2080P0203X

Provider Legal NameMARCUS BASIRICredential: MD, PHD

Location Address4800 SAND POINT WAY NESeattle, WA 98105-3901

Mailing Address4800 Sand Point Way NeSeattle, WA 98105-3901

Phone(617) 726-7782

Sole ProprietorNo

Enumeration DateMarch 28, 2023

Last NPPES UpdateAugust 20, 20262 updates tracked since enumeration

NPPES CertifiedAugust 20, 2026

✔ NPI 1104520873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0203X

License✔ Licensed in WA · MD.MD.70128720

Definition

A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4800 SAND POINT WAY NE, Seattle, WA 98105

Open in Google Maps ↗

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.

NALINI MALARKKAN MD

Anesthesiology

4800 SAND POINT WAY NE
SEATTLE, WA 98105

King County (206) 987-2728

MS. LINDA E EBLEN MA

Speech-Language Pathologist

4800 SAND POINT WAY NE, MAIL STOP W-6839
SEATTLE, WA 98105

King County (206) 987-6164

DR. JAMES TOLIVER BENNETT JR. M.D., PH.D.

Medical Genetics (Clinical Molecular Genetics)

4800 SAND POINT WAY NE, GENETIC MEDICINE
SEATTLE, WA 98105

King County (206) 987-2056

DR. LESLIE ANN DERVAN MD

Pediatrics (Pediatric Critical Care Medicine)

4800 SAND POINT WAY NE, MB.10.620
SEATTLE, WA 98105

King County (206) 987-0293

DR. INDI TREHAN MD

Pediatrics (Pediatric Infectious Diseases)

4800 SAND POINT WAY NE
SEATTLE, WA 98105

King County (206) 987-2000

MS. JENNIFER PATANO CNP

Nurse Practitioner (Pediatrics)

4800 SAND POINT WAY NE, MS O.7.720
SEATTLE, WA 98105

King County (206) 987-8949

MRS. SUSAN L HOLTZCLAW ARNP

Nurse Practitioner (Family)

4800 SAND POINT WAY NE, MAILSTOP T-2108
SEATTLE, WA 98105

King County (206) 987-5691

SHENG ZHOU MD

Otolaryngology (Pediatric Otolaryngology)

4800 SAND POINT WAY NE
SEATTLE, WA 98105

King County (206) 987-2105

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 Marcus Basiri's NPI number?

The NPI number for Marcus Basiri is 1104520873. It was assigned to this individual provider in the NPPES registry on March 28, 2023.

Where is Marcus Basiri located?

Marcus Basiri practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (617) 726-7782.

What is Marcus Basiri's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

When was this NPI record last updated?

The NPPES record for Marcus Basiri was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.