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

Dr. Marissa Katharine Tumasz, DO

Individual provider Internal Medicine Physician · NPI 1760329791

Dr. Marissa Katharine Tumasz, DO is an Internal Medicine Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2026.

Licensed in
PA
In the registry since
2026
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1200 S Cedar Crest Blvd
Allentown, PA 18103-6202
Phone: (484) 862-3156
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OT025205 (PA)

Record details

NPI number1760329791
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 29, 2026
Last updated in NPPESMay 4, 2026
Certification dateMay 4, 2026

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