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

Martha Niebe Tomas Sierra

Individual provider Doula · NPI 1790510980

Martha Niebe Tomas Sierra is a Doula in Portland, Oregon. Works from 3 locations. Licensed in Oregon.

Licensed in
OR
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

2800 N Vancouver Ave
Portland, OR 97227-1630
Phone: (503) 413-4500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 9205 Sw Barnes Rd, Portland, OR 97225-6603 — (503) 216-1234
  • 2801 N Gantenbein Ave, Portland, OR 97227-1623 — (503) 276-6500

Specialties & licences

Doula (primary) Taxonomy 374J00000X · Licence 112647 (OR)
Doula Taxonomy 374J00000X · Licence 6928221 (OR)

Record details

NPI number1790510980
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 6, 2024
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026

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