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

Theodore Hobart Welling, MD

Individual provider Surgery Physician · NPI 1023109683

Theodore Hobart Welling, MD is a Surgical Oncology in LA Jolla, California. Qualified in 1999, 27 years ago. Practices with Regents of the University of California, a 2,061-clinician group, works from 6 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Michigan.

Years since qualifying
27
Licensed in
CA, MI
In the registry since
2006
Specialties on file
2
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

3855 Health Sciences Dr
LA Jolla, CA 92093-5332
Phone: (800) 926-8273
Fax: (888) 539-8781
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 9300 Campus Point Dr, La Jolla, CA 92037-1300 — (800) 926-8273
  • 39000 Bob Hope Dr, Rancho Mirage, CA 92270-3221 — (760) 346-7655
  • 200 W Arbor Dr, San Diego, CA 92103-9000 — (800) 926-8273
  • 4303 La Jolla Village Dr Ste 2110, San Diego, CA 92122-1396 — (800) 926-8273
  • 1500 East Medical Center Dr, Ann Arbor, MI 48109-5332 — (734) 936-5738

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence C196248 (CA)
Surgery Physician Taxonomy 208600000X · Licence 4301073979 (MI)

Record details

NPI number1023109683
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Also practisesGENERAL SURGERY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Regents Of The University Of California — 2061 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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