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

Dr. Christopher Patrick O'Brien Jr., MD

Individual provider Ophthalmology Physician · NPI 1629263421

Dr. Christopher Patrick O'Brien Jr., MD is an Ophthalmology in Knoxville, Tennessee. Graduated from Tulane University School of Medicine in 2007, 19 years ago. Practices with State of Mississippi - University of Mississippi Medical Center, a 952-clinician group and accepts Medicare assignment. Licensed in California and Tennessee.

Years since qualifying
19
Trained at
Tulane University School of Medicine
Licensed in
CA, TN
In the registry since
2007
Specialties on file
4
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

6311 Kingston Pike Ste 6W
Knoxville, TN 37919-4906
Phone: (865) 262-8473
Fax: (865) 262-8550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Ophthalmology and Strabismus Specialist Physician (primary) Taxonomy 207WX0110X · Licence MD-49470 (TN)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD-49470 (TN)
Ophthalmology Physician Taxonomy 207W00000X · Licence A116707 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1629263421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2007
Last updated in NPPESApril 18, 2020
Certification dateApril 18, 2020
Mailing address6311 Kingston Pike, Suite 6w, Knoxville, TN 37919-4906

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice State Of Mississippi - University Of Mississippi Medical Center — 952 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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