Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John P Mamana, MD

Individual provider Internal Medicine Physician · NPI 1487654554

Dr. John P Mamana, MD is an Internal Medicine Physician in Reston, Virginia. Licensed in Virginia. Registered with an NPI since 2005.

Licensed in
VA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

12040 S Lakes Dr Ste 205
Reston, VA 20191-1246
Phone: (703) 230-6990
Fax: (703) 230-6990
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101021602 (VA)

Record details

NPI number1487654554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESMarch 25, 2010

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