Individual
DR. FREDERICK W RUYMANN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
300 MOUNT AUBURN ST, STE 405, CAMBRIDGE, MA 02138-5665
(617) 661-0221
(617) 661-3862
Mailing address
300 MOUNT AUBURN ST, STE 405, CAMBRIDGE, MA 02138-5502
(617) 661-0221
(617) 661-3862
Taxonomy
Speciality
Code
Description
License number
State
207RG0100X
Gastroenterology Physician
Primary
71422
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
3052788
—
MA
Enumeration date
06/09/2005
Last updated
01/11/2012
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