William Rottkamp
William S Rottkamp · Oceanside, NY
SRTPSupervised preparer
Registered, filing-season program
This preparer is in the IRS registry and completed the IRS's voluntary Annual Filing Season Program.
- IRS registry
- PTIN holder, on the IRS's list dated Aug 14, 2026
- Credentials
- SRTPAFSP
- Business
- William S Rottkamp
- Business address
- 2633 Locust Ave, Oceanside, NY 11572
- County
- Nassau County
- SRTP
Supervised preparer. Works under the supervision of a CPA, enrolled agent or attorney at the same firm.
- AFSP
Annual Filing Season Program. Completed the IRS's voluntary yearly continuing-education program. Can represent clients whose returns they prepared, in limited situations.