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

John Gian MD LLC

Organization Infectious Disease Physician · NPI 1154847887

John Gian MD LLC is an Infectious Disease Physician in Bel Air, Maryland. Licensed in Maryland. Registered with an NPI since 2017.

Licensed in
MD
In the registry since
2017
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

510 Uppr Chesapeake DR Ste 312
Bel Air, MD 21014-4328
Phone: (443) 643-2236
Fax: (443) 643-1545
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence D0083786 (MD)

Record details

NPI number1154847887
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Gian — Provider · (347) 598-2438
NPI enumeratedAugust 15, 2017
Last updated in NPPESAugust 15, 2017
Mailing address1171 Ovington Ave, Brooklyn, NY 11219-6005

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