Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark La Shell, MD

Individual provider Pediatrics Physician · NPI 1205825288

Dr. Mark La Shell, MD is an Allergy/Immunology in Bellevue, Washington. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1997, 29 years ago. Practices with Jefferson City Medical Group PC, a 117-clinician group and accepts Medicare assignment. Licensed in Pennsylvania and Washington.

Years since qualifying
29
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
PA, WA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11511 NE 10th St
Bellevue, WA 98004-8578
Phone: (425) 502-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence MD 60194720 (WA)
Pediatrics Physician Taxonomy 208000000X · Licence MD070164L (PA)

Record details

NPI number1205825288
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 21, 2005
Last updated in NPPESApril 26, 2021
Certification dateApril 26, 2021
Mailing address11511 Ne 10th St, Bellevue, WA 98004-8578

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1997 (29 years in practice)
Group practice Jefferson City Medical Group Pc — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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