Omar Mahmassani, D.D.S
NPI 1497781850 · on the registry since 2006 · sole proprietor
Practice
- Address
- 5910 Frederick Crossing Ln Ste 101
Frederick, MD 21704 - Phone
- (301) 662-4422
- Fax
- (301) 965-8360
- Clinicians at this address
- 2
Registry record
- Primary taxonomy
- Dentist
122300000X
- Also registered as
- Customized Equipment (DME)
- Licence states on file
- MD
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-05-12
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