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

Mrs. Catherine Wanjiru Donnerstag

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1700557477

Mrs. Catherine Wanjiru Donnerstag is a Nurse Practitioner in Baltimore, Maryland. Qualified in 2020, 6 years ago. Practices with Toller Enterprises, LLC, a 63-clinician group and offers telehealth. Licensed in District of Columbia, Maryland and Washington.

Years since qualifying
6
Licensed in
DC, MD, WA
In the registry since
2021
Specialties on file
3
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Practice location Address checks out

1015 Debbie Ave
Baltimore, MD 21221-3339
Phone: (443) 600-8467
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R208729 (MD)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence AP61272824 (WA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence NP500125360 (DC)

Record details

NPI number1700557477
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 23, 2021
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Toller Enterprises, Llc — 63 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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