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

Marissa Maas

Individual provider Urology Physician · NPI 1023644671

Marissa Maas is an Urology Physician in Philadelphia, Pennsylvania. Works from 2 locations. Licensed in California and Pennsylvania.

Licensed in
CA, PA
In the registry since
2020
Specialties on file
3

Practice location Address checks out

333 Cottman Ave
Philadelphia, PA 19111-2434
Phone: (215) 728-2570
Show map & directions

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

Additional practice locations (1)

  • 1441 Eastlake Ave Ste 7416, Los Angeles, CA 90089-1020 — (323) 865-3700

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence MD494817 (PA)
Urology Physician Taxonomy 208800000X · Licence PTL6115 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1023644671
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 16, 2020
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026

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