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Active NPI 1932164324 Individual Practitioner Male Practitioner

Ronnie N Diem , PA-C

Physician Assistant • Dover, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Ronnie Diem, PA-C is a certified Physician Assistant practicing in Dover, DE. With approximately 23 years of clinical experience since completing medical education in 2003, Ronnie Diem delivers high-quality medical care to the local community at 4601 S DUPONT HWY.

Ronnie Diem maintains professional affiliations with Coastal Walk In, Coastal Primary Care and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, automated urinalysis test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4601 S Dupont Hwy

Dover, DE 199016405

Telephone 3023319026
Fax 3026981187
Associated Practice Facility / Clinic
🏢 Sunshine Health Professionals Facility NPI 1730141185

Medicare Profile & Education

Medical School

Other

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Dover, DE

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
23 Yrs +11.5 yrs vs City Avg
City Avg: 11.5 Yrs
State Avg: 11.1 Yrs
Regional Practice Density
87 Specialists

Practicing in Dover, DE (697 Statewide)

Telehealth Adoption Rate
6.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Diem (23 Years) 23 Yrs
Dover Specialty Average (11.5 Years) 11.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
515 316 $276.45 $106.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
228 227 $276.58 $93.22
99213 Established patient office or other outpatient visit, typically 15 minutes
59 51 $166.15 $75.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
14 14 $319.43 $140.08

Medical Specialties & State Licenses

CMS Verified: 2025-06-25
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License DE C50000437

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
1000036127 (DE)

Hospital & Practice Group Affiliations

Coastal Primary Care

16479 S Dupont Hwy, Harrington, DE 199523100

Phone: 3025875017

Coastal Walk In

16479 S Dupont Hwy, Harrington, DE 199523100

Phone: 3025875017

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Kimberly Hollowell , MSN, RN, FNP-C

Nurse Practitioner - Family

NPI 1053081778

Master of Science in Nursing, Registered Nurse, Family Nurse Practitioner (Certified)

NPI 1134191422

Doctor of Medicine (M.D.)

Gabrielle Howlett , PA-C

Physician Assistant

NPI 1174360135

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location September 05, 2023

Registered at 4601 S DUPONT HWY, DOVER, DE 199016405 (Tel: 3023319026)

📍
Updated Business Mailing Address September 05, 2023

Registered at 4601 S DUPONT HWY STE 1, DOVER, DE 199016405 (Tel: 3023319026)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 424 SAVANNAH RD, LEWES, DE 199581462 (Tel: 3026453296)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 3012, WILMINGTON, DE 198040012 (Tel: 8004564629)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as RONNIE DIEM, PAC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Physician Assistant (License #C50000437 in DE)

🟢
Initial NPI Registration & Enumeration April 19, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1932164324
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 19, 2006
Last Update: June 25, 2025
Sole Proprietor: No

Mailing Address

4601 S Dupont Hwy Ste 1

Dover, DE 199016405

Phone: 3023319026

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.