THOMAS LUKE ARNELL MD
NPI 1649807397
Otolaryngology in La Jolla, CA
About Thomas Luke Arnell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS LUKE ARNELL MD (NPI 1649807397) is an individual otolaryngology provider in La Jolla, California, licensed in California (A203257) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of University Of Vermont College Of Medicine (2020).
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
Thomas Luke Arnell 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
4Medicare enrollment records show Thomas Arnell reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92122
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Marsha Reuther MD Inc
- 5 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 218 clinicians in this Medicare group
Palm Springs, CA 92262
- Reassigned Medicare billing, California enrollment
- 6 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 92037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Thomas Arnell's NPI number?
The NPI number for Thomas Arnell is 1649807397. It was assigned to this individual provider in the NPPES registry on March 24, 2020.
Where is Thomas Arnell located?
Thomas Arnell practices at 4150 Regents Park Row Ste 345, La Jolla, CA 92037. The listed phone number is (858) 926-7010.
What is Thomas Arnell's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Thomas Arnell enrolled in Medicare?
Yes. Thomas Arnell 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 Thomas Arnell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Arnell reassigns Medicare benefits to 4 organizations: Marsha Reuther M.D., Inc (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA), On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA) and Ea Health Physicians Medical Group, Inc. (Palm Springs, 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 Thomas Arnell'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 Thomas Arnell was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Thomas Luke Arnell, MD · NPI 1649807397
Otolaryngology physician in La Jolla, California. Individual provider, active in the CMS NPPES registry since March 24, 2020.
## Identity
- **NPI:** 1649807397 (Entity type: Individual)
- **Enumerated:** March 24, 2020
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** A203257 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4150 REGENTS PARK ROW STE 345, La Jolla, CA 92037-9102
- **Phone:** (858) 926-7010 · **Fax:** (858) 926-7011
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Marsha Reuther M.D., Inc (NPI 1326733031, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); On Call Specialists Medical Group Of San Diego, Inc. (NPI 1962175836, San Diego, CA); Ea Health Physicians Medical Group, Inc. (NPI 1841578333, Palm Springs, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649807397) · Data from the CMS NPPES public registry.