DR. MARK LA SHELL M.D.
NPI 1205825288
Allergy & Immunology - Allergy in Bellevue, WA

Q: What is Mark La Shell's NPI number?

The NPI number for Mark La Shell is 1205825288. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Q: What is Mark La Shell's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Q: When was this NPI record last updated?

The NPPES record for Mark La Shell was last updated on April 26, 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 October 21, 2005PECOS EnrolledAccepts Medicare Assignment

11511 NE 10TH ST, BELLEVUE, WA 98004(425) 502-3000 Get Directions Write a Review

NPPES record last updated: April 26, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Mark La Shell M.d. NPPES

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

DR. MARK LA SHELL M.D. (NPI 1205825288) is an individual allergy provider in Bellevue, Washington, licensed in Washington (MD 60194720) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1997).

NPPES Registry Identity

NPI1205825288

Entity TypeIndividualMale

Primary Taxonomy207KA0200X

Provider Legal NameDR. MARK LA SHELLCredential: M.D.

Location Address11511 NE 10TH STBellevue, WA 98004-8578

Mailing Address11511 Ne 10th StBellevue, WA 98004-8578 · (425) 502-3000

Phone(425) 502-3000

Sole ProprietorNo

Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 1997

Enumeration DateOctober 21, 2005

Last NPPES UpdateApril 26, 2021

NPPES CertifiedApril 26, 2021

✔ NPI 1205825288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians

Taxonomy Code207KA0200X

License✔ Licensed in WA · MD 60194720

Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Also ListedPediatricsTaxonomy 208000000X · License MD070164L (PA)

11511 NE 10TH ST, Bellevue, WA 98004

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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. Mark La Shell M.d. 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 ID6204019391

PECOS Enrollment IDI20240925000387

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.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,935 services31 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

155 services20 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

23 services23 patients

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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.

PATSY C LAZAROUS MD

Internal Medicine