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

Nicholas Waldhaus, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1275183717

Nicholas Waldhaus, NP is a Nurse Practitioner in Baltimore, Maryland. Qualified in 2015, 11 years ago. Practices with Sinai Hospital of Baltimore, Inc, a 372-clinician group and offers telehealth. Licensed in Maryland.

Years since qualifying
11
Licensed in
MD
In the registry since
2019
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

6501 N Charles St
Baltimore, MD 21204-6819
Phone: (410) 938-3000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R199779 (MD)

Record details

NPI number1275183717
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 17, 2019
Last updated in NPPESSeptember 17, 2019

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Sinai Hospital Of Baltimore, Inc — 372 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

Other providers in Baltimore