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

John M. Sullivan, MD and Associates LLC

Organization Allergy Physician · NPI 1235209271

John M. Sullivan, MD and Associates LLC is an Allergy Physician in Mechanicsburg, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

1001 S Market St Ste B
Mechanicsburg, PA 17055-4748
Phone: (717) 697-5050
Fax: (717) 591-0920
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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 MD018511-E (PA)

Record details

NPI number1235209271
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Sullivan — Owner · (717) 697-5050
NPI enumeratedNovember 8, 2006
Last updated in NPPESAugust 5, 2010
Mailing address1001 S Market St, Suite B, Mechanicsburg, PA 17055-4748

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