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

Ping-An Tjoa, MD

Individual provider Internal Medicine Physician · NPI 1427080522

Ping-An Tjoa, MD is an Internal Medicine Physician in Newark, Delaware. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

111 Ferguson Ln
Newark, DE 19702-4317
Phone: (302) 834-1681
Fax: (302) 834-1681
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 MD-038577-Y (PA)

Record details

NPI number1427080522
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESAugust 1, 2013
Mailing address111 Ferguson Ln, Newark, DE 19702-4317

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