Dr Mark La Shell, MD - Medicare Allergy/immunology in Bellevue, WA

Dr Mark La Shell, MD is a medicare enrolled "Allergy & Immunology - Allergy" physician in Bellevue, Washington. He went to University Of Kansas School Of Med (kc/wich/sal) and graduated in 1997 and has 27 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Kaiser Foundation Health Plan Of Washington and his current practice location is 11511 Ne 10th St, Bellevue, Washington. You can reach out to his office (for appointments etc.) via phone at (425) 502-3000.

Dr Mark La Shell is licensed to practice in Washington (license number MD 60194720) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205825288.

Contact Information

Dr Mark La Shell, MD
11511 Ne 10th St,
Bellevue, WA 98004-8578
(425) 502-3000
Not Available



Physician's Profile

Full NameDr Mark La Shell
GenderMale
SpecialityAllergy/immunology
Experience27 Years
Location11511 Ne 10th St, Bellevue, Washington
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark La Shell attended and graduated from University Of Kansas School Of Med (kc/wich/sal) in 1997
  NPI Data:
  • NPI Number: 1205825288
  • Provider Enumeration Date: 10/21/2005
  • Last Update Date: 04/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6204019391
  • Enrollment ID: I20110923000053

Medical Identifiers

Medical identifiers for Dr Mark La Shell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205825288NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD070164L (Pennsylvania)Secondary
207KA0200XAllergy & Immunology - Allergy MD 60194720 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of Washington90320225791480

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mark La Shell allows following entities to bill medicare on his behalf.
Entity NameKaiser Foundation Health Plan Of Washington
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396810701
PECOS PAC ID: 9032022579
Enrollment ID: O20031112000454

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mark La Shell is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mark La Shell, MD
11511 Ne 10th St,
Bellevue, WA 98004-8578

Ph: (425) 502-3000
Dr Mark La Shell, MD
11511 Ne 10th St,
Bellevue, WA 98004-8578

Ph: (425) 502-3000

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Allergy & Immunology Doctors in Bellevue, WA

Dr. Britton Lee Georges, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 1515 116th Ave Ne, Suite 207, Bellevue, WA 98004
Phone: 425-454-3329    Fax: 425-454-4390
Garrison H Ayars, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 1200 112th Ave Ne, Suite C210, Bellevue, WA 98004
Phone: 425-454-2191    Fax: 425-453-1270
Kevin T Dooms, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1200 112th Ave Ne, Suite C210, Bellevue, WA 98004
Phone: 425-454-2191    Fax: 425-453-1270
Dr. Jon E Welch, M. D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 2320 130th Ave Ne, Ste 220, Bellevue, WA 98005
Phone: 425-777-7486    
Charles G Jackson, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 1200 112th Ave Ne, Suite C-210, Bellevue, WA 98004
Phone: 425-454-2191    Fax: 425-453-1270
Dr. John William Knutson, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1200 112th Ave Ne Ste B250, Bellevue, WA 98004
Phone: 206-386-9500    Fax: 206-386-9605

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