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

John J. Merendino, Jr , MD, PA

Organization Endocrinology, Diabetes & Metabolism Physician · NPI 1891085213

John J. Merendino, Jr , MD, PA is an Endocrinology, Diabetes & Metabolism Physician in Bethesda, Maryland. Licensed in Maryland. Registered with an NPI since 2011.

Licensed in
MD
In the registry since
2011
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

10215 Fernwood Rd Ste 405
Bethesda, MD 20814
Phone: (301) 230-0300
Fax: (301) 230-0314
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence D36046 (MD)

Record details

NPI number1891085213
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Merendino — President · (301) 230-0300
NPI enumeratedApril 19, 2011
Last updated in NPPESApril 19, 2011
Mailing address10215 Fernwood Road, Suite 405, Bethesda, MD 20817

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