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

Jay Thomas Thetford, MD

Individual provider Pulmonary Disease Physician · NPI 1689161192

Jay Thomas Thetford, MD is an Internal Medicine in Orange, California. Graduated from Un of California, Riverside, School of Medicine in 2018, 8 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
8
Trained at
Un of California, Riverside, School of Medicine
Licensed in
CA
In the registry since
2018
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-3874
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence A165159 (CA)

Record details

NPI number1689161192
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2018
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025
Mailing address101 The City Dr S, Orange, CA 92868-3201

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUN OF CALIFORNIA, RIVERSIDE, SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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