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

Mark Andrew Steichen, PA

Individual provider Physician Assistant · NPI 1831460104

Mark Andrew Steichen, PA is a Physician Assistant in Tulsa, Oklahoma. Qualified in 2011, 15 years ago. Practices with St John Physicians, Inc, a 264-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
15
Licensed in
OK
In the registry since
2012
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

1705 E 19th St Ste 302
Tulsa, OK 74104-5405 Not confirmed with CMS for 10 years — call before visiting
Phone: (918) 748-7585
Fax: (918) 748-7539
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 2070 (OK)

Record details

NPI number1831460104
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJanuary 19, 2012
Last updated in NPPESSeptember 19, 2016

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice St. John Physicians, Inc. — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at St John Physicians, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 264 clinicians in the practice; 12 are shown here.

Other providers in Tulsa