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

Mark Harrison Herdade, DDS

Individual provider Dentist · NPI 1487596482

Mark Harrison Herdade, DDS is a Dentist in Tahlequah, Oklahoma. Works from 2 locations. Licensed in Oklahoma.

Licensed in
OK
In the registry since
2026
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

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Practice location Address checks out

221 E Downing St
Tahlequah, OK 74464-3011
Phone: (918) 708-1601
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 19600 E Ross St, Tahlequah, OK 74464-0545 — (539) 234-1000

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 8199 (OK)

Record details

NPI number1487596482
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 8, 2026
Last updated in NPPESJune 20, 2026
Certification dateJune 20, 2026
Mailing address1515 E 21st St, Tulsa, OK 74114-1339

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