Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark Seby MD PC

Organization Family Medicine Physician · NPI 1477726222

Mark Seby MD PC provides Family Medicine Physician services in Flagstaff, Arizona. Licensed in Arizona. Registered with an NPI since 2008.

Licensed in
AZ
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

417 N Agassiz St Bldg #1
Flagstaff, AZ 86001-3282 Not confirmed with CMS for 15 years — call before visiting
Phone: (928) 779-6169
Fax: (928) 779-4200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence AZ11476 (AZ)

Record details

NPI number1477726222
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Seby — Physician · (928) 779-6169
Other names Agassiz Family Medicine
NPI enumeratedApril 11, 2008
Last updated in NPPESDecember 30, 2010
Mailing address417 N Agassiz St, Bldg #1, Flagstaff, AZ 86001-3282

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