JAY THOMAS THETFORD MD
NPI 1689161192
Internal Medicine - Pulmonary Disease in Orange, CA
About Jay Thomas Thetford Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAY THOMAS THETFORD MD (NPI 1689161192) is an individual pulmonary disease provider in Orange, California, licensed in California (A165159) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Un Of California, Riverside, School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jay Thomas Thetford Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Jay Thetford reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Bellflower, CA 90706
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jay Thetford's NPI number?
The NPI number for Jay Thetford is 1689161192. It was assigned to this individual provider in the NPPES registry on April 19, 2018.
Where is Jay Thetford located?
Jay Thetford practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-3874.
What is Jay Thetford's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Jay Thetford enrolled in Medicare?
Yes. Jay Thetford is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jay Thetford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jay Thetford reassigns Medicare benefits to 2 organizations: Uc Regents (Orange, CA) and County Of Los Angeles Auditor Controller (Bellflower, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jay Thetford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jay Thetford was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jay Thomas Thetford, MD · NPI 1689161192
Pulmonary Disease physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 19, 2018.
## Identity
- **NPI:** 1689161192 (Entity type: Individual)
- **Enumerated:** April 19, 2018
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A165159 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-3874
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Uc Regents (NPI 1003864174, Orange, CA); County Of Los Angeles Auditor Controller (NPI 1689695892, Bellflower, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Riverside, School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689161192) · Data from the CMS NPPES public registry.