John Longley, D.D.S

NPI 1053315317 · on the registry since 2005

Practice

Address: 20 E Timonium Rd
Ste 210
Timonium, MD 21093
Phone: (410) 308-4880
Fax: (410) 308-4883
Organisation at this address: Drs. Ballingers & Knopf
Gunnar Fisher Dentistry
Emma Galvan & Associates Dds Pc
Thomas Stack & Associates, Dds, Llc
Sleep Apnea Dental Solutions Of Towson, Llc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 8

Registry record

Primary taxonomy: 1223G0001X
1223G0001X
Licence states on file: MD
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Maryland