Mark L. Collister, LSW
Mark L. Collister, LSW is a Social Worker in Williamsport, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.
- Licensed in
- PA
- In the registry since
- 2006
What do these letters mean?
- LSW — Licensed Social Worker
- A state-licensed social worker.
Practice location Address checks out
435 W 4th StWilliamsport, PA 17701-6001
Phone: (570) 322-7873
Fax: (570) 322-8026
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Social Worker (primary) | Taxonomy 104100000X · Licence SW124379 (PA) |
|---|
Record details
| NPI number | 1225078082 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | LSW |
| Sole proprietor | No |
| NPI enumerated | June 8, 2006 |
| Last updated in NPPES | July 13, 2026 |
| Mailing address | 10 Catherine Dr, Williamsport, PA 17701-1292 |
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Cherl Jaye Booth-Mayes, LPC
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-
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-
Mrs. Mary Ellen Moran Doll, LSW
435 W 4th St, Williamsport, PA 17701-6001 · (570) 322-7873
-
Leslie Dvorshock, LSW, CCTP
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