John Guzzo, MS, RD
John Guzzo, MS, RD is an Addiction (Substance Use Disorder) Counselor in Harrisburg, Pennsylvania. Registered with an NPI since 2006.
- In the registry since
- 2006
- Specialties on file
- 2
What do these letters mean?
Practice location Address checks out
3207 N Frnt STHarrisburg, PA 17110-1311
Phone: (717) 901-5652
Fax: (717) 901-5037
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Mental Health Counselor (primary) | Taxonomy 101YM0800X |
|---|---|
| Addiction (Substance Use Disorder) Counselor | Taxonomy 101YA0400X |
Record details
| NPI number | 1073542494 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MS , RD |
| Sole proprietor | No |
| NPI enumerated | June 30, 2006 |
| Last updated in NPPES | September 11, 2025 |
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Jennifer Glunt
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