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

Dr. John D Patterson, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1457390957

Dr. John D Patterson, MD is an Orthopedic Surgery in Wilmington, Delaware. Graduated from Harvard Medical School in 1995, 31 years ago. Practices with Regional Orthopaedic Associates PA, a 62-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
31
Trained at
Harvard Medical School
Licensed in
DE
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1941 Limestone Rd Ste 101
Wilmington, DE 19808-5413
Phone: (302) 655-9494
Fax: (302) 691-1478
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence C1-0006306 (DE)
Orthopaedic Hand Surgery Physician Taxonomy 207XS0106X · Licence C1-0006306 (DE)

Record details

NPI number1457390957
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESMay 15, 2025
Certification dateMay 15, 2025
Mailing address1941 Limestone Rd Ste 101, Wilmington, DE 19808-5413

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1995 (31 years in practice)
Group practice Regional Orthopaedic Associates Pa — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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