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

Dr. Clifford Carl Douglas, MD, PHD

Individual provider Neurological Surgery Physician · NPI 1932166485

Dr. Clifford Carl Douglas, MD, PHD is a Neurosurgery in Riverside, California. Graduated from Loma Linda University School of Medicine in 1989, 37 years ago. Practices with Golden State Providers, a Medical Corporation, a 23-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4510 Brockton Ave Ste 175
Riverside, CA 92501-4020
Phone: (951) 786-5550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence G70288 (CA)

Record details

NPI number1932166485
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedApril 27, 2006
Last updated in NPPESApril 4, 2024
Certification dateApril 4, 2024

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Golden State Providers, A Medical Corporation — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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