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

Dr. Joseph Tyler Lonergan, MD

Individual provider Internal Medicine Physician · NPI 1962427310

Dr. Joseph Tyler Lonergan, MD is an Internal Medicine in San Diego, California. Graduated from Geisel School of Medicine at Dartmouth in 1994, 32 years ago. Practices with Regents of the University of California, a 2,061-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
32
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
CA
In the registry since
2006
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

4168 Frnt ST Fl 3
San Diego, CA 92103-2030
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 (1)

  • 200 W Arbor Dr, San Diego, CA 92103-9000 — (800) 926-8273

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A55815 (CA)

Record details

NPI number1962427310
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESJanuary 27, 2025
Certification dateJanuary 27, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1994 (32 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
Practice locations2 on file with Medicare

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