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

Mallin & Seidel Orthopaedic Oncology PLLC

Organization Orthopaedic Surgery Physician · NPI 1255343471

Mallin & Seidel Orthopaedic Oncology PLLC is an Orthopaedic Surgery Physician in Scottsdale, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9700 N 91st St
Scottsdale, AZ 85258-5054
Phone: (602) 258-8500
Fax: (602) 258-8510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 32887 (AZ)

Record details

NPI number1255343471
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Matthew Seidel — Authorized Partner · (602) 258-8500
Other names Orthopaedic Surgical Oncology Of Arizona
NPI enumeratedAugust 13, 2006
Last updated in NPPESJuly 21, 2022
Mailing address9700 N 91st St Ste B108, Scottsdale, AZ 85258-5036

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