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

Individual provider Clinical Social Worker · NPI 1609542760

Mark Ryan Ferguson, LISW is a Clinical Social Worker in Athens, Ohio. Qualified in 2024, 2 years ago. Practices with Psychological and Behavioral Consultants LLC, a 577-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
2
Licensed in
OH
In the registry since
2021
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

141 Columbus Rd
Athens, OH 45701-1315
Phone: (740) 249-4318
Fax: (740) 249-4330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I.2405863 (OH)

Record details

NPI number1609542760
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW
Sole proprietorNo
NPI enumeratedAugust 19, 2021
Last updated in NPPESApril 18, 2025
Certification dateApril 18, 2025
Mailing addressPo Box 188, Chillicothe, OH 45601-0188

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Psychological And Behavioral Consultants Llc — 577 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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