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

Ronnie N Diem, PAC

Individual provider Physician Assistant · NPI 1932164324

Ronnie N Diem, PAC is a Physician Assistant in Dover, Delaware. Qualified in 2003, 23 years ago. Practices with Coastal Walk In, a 4-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
23
Licensed in
DE
In the registry since
2006
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

4601 S Dupont Hwy
Dover, DE 19901-6405
Phone: (302) 331-9026
Fax: (302) 698-1187
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C50000437 (DE)

Record details

NPI number1932164324
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESJune 25, 2025
Certification dateJune 25, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Coastal Walk In — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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