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

Diane Witkowski

Individual provider Nurse Practitioner · NPI 1720483456

Diane Witkowski is a Nurse Practitioner in Frederick, Maryland. Qualified in 2023, 3 years ago. Practices with Blue Sky Mental Health Clinic LLC, a 5-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
3
Licensed in
MD
In the registry since
2014

Practice location Address checks out

617 W Patrick St
Frederick, MD 21701-4027
Phone: (240) 405-8084
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R186991 (MD)

Record details

NPI number1720483456
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 23, 2014
Last updated in NPPESJune 13, 2025
Certification dateJune 13, 2025
Mailing address912 Larch Ave, Takoma Park, MD 20912-5826

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Blue Sky Mental Health Clinic Llc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Frederick