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

Dr. John Delmar Siddens, DO

Individual provider Ophthalmology Physician · NPI 1407826993

Dr. John Delmar Siddens, DO is an Ophthalmology in Greenville, South Carolina. Graduated from Nova Southeastern College of Osteo Medicine in 1986, 40 years ago. Practices with Prisma Health University Medical Group, a 2,446-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
40
Trained at
Nova Southeastern College of Osteo Medicine
Licensed in
SC
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

104 Simpson St
Greenville, SC 29605-3593
Phone: (864) 522-3900
Fax: (864) 522-3909
Show map & directions

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

Additional practice locations (1)

  • 200 Patewood Dr, Greenville, SC 29615-3593 — (864) 454-4570

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 291 (SC)

Record details

NPI number1407826993
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESMay 12, 2021
Certification dateMay 12, 2021

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolNOVA SOUTHEASTERN COLLEGE OF OSTEO MEDICINE
Graduated 1986 (40 years in practice)
Group practice Prisma Health University Medical Group — 2446 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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