Thomas Luke Arnell, MD
Otolaryngology Physician · La Jolla, CA
Thomas Luke Arnell, MD is an otolaryngology physician with a practice address in La Jolla, California, and NPI 1649807397, issued on Mar 24, 2020. Check the license (California A203257, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Luke Arnell
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A203257 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 Regents Park Row Ste 345, La Jolla, CA 92037
- Phone
- (858) 926-7010
- Enumerated
- Mar 24, 2020
- Record last updated
- Jul 30, 2025
- Fax
- (858) 926-7011
- Medicare enrollment
- Enrolled (PECOS I20250813003761); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 4150 Regents Park Row Ste 345
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Bareiss, MDOtolaryngology Physician1508398629
- Gabrielle Burns, PA-CSurgery Physician1053047092
- Stacey Chobany, AUDAudiologist1134853666
- Laura Decesare, MDSurgery Physician1700327921
- Carolyn Montes, MDOtolaryngology Physician1215499769
- Jennifer Price, PA-C, MMSMedical Physician Assistant1093163032
Verify Thomas Luke Arnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average otolaryngology physician in 2024
50 Medicare Part D claims for 38 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- EA Health Physicians Medical Group IncSan Diego, CA
- Marsha Reuther MD IncLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Luke Arnell among 1,212 otolaryngology physician records in California
Thomas Luke Arnell, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2004 among the 818 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in La Jolla → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Anna Bareiss, MDLa Jolla, CA 920371508398629
- Christopher Bergeron, M.D.La Jolla, CA 920371508851775
- Angela Chang, M.D.La Jolla, CA 920371730382318
- Ryan Crane, M.D.La Jolla, CA 920371174963532
- Brendan Gaylis, M.D.La Jolla, CA 920371184654642
- Mahmood Mahdavi, M.D.La Jolla, CA 920371033140934
- Carolyn Montes, MDLa Jolla, CA 920371215499769
- Christine Morton, MDLa Jolla, CA 920371851589410
Common questions
What is Thomas Luke Arnell, MD's NPI number?
Thomas Luke Arnell, MD's National Provider Identifier (NPI) is 1649807397, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Luke Arnell, MD located?
The NPPES record lists a practice address at 4150 Regents Park Row Ste 345, La Jolla, CA, 92037. Phone: (858) 926-7010. Providers update this record themselves, so call before visiting.
How can I verify Thomas Luke Arnell, MD's license?
NPPES lists California license number A203257, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Luke Arnell, MD prescribe under Medicare Part D?
In 2024, Thomas Luke Arnell, MD had 50 Medicare Part D claims for 38 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.