John Herring, MD

NPI 1710975040 · on the registry since 2005

Practice

Address: 18101 Prince Philip Dr
Olney, MD 20832
Phone: (301) 774-8900
Fax: (301) 570-8574
Organisation at this address: Montgomery Ekg Llp
Dhp Of Montgomery Pc
Khaled A Khalafallah, Pc
Cardiology Associates, Llc
Medstar Medical Group Ii Llc
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 107

Registry record

Primary taxonomy: 207R00000X
207R00000X
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