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

Potomac Family Allergy and Asthma, LLC

Organization Allergy Physician · NPI 1578601795

Potomac Family Allergy and Asthma, LLC is an Allergy Physician in Rockville, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
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

11119 Rockville Pike Ste 502
Rockville, MD 20852-3143
Phone: (301) 770-7007
Fax: (301) 770-7107
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence D0056547 (MD)

Record details

NPI number1578601795
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Heidi Isenberg-Feig — Owner · (301) 770-7007
NPI enumeratedFebruary 1, 2007
Last updated in NPPESAugust 22, 2020
Mailing addressPo Box 60247, Potomac, MD 20859-0247

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