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

Dr. Michael J Sullivan, MD

Individual provider Internal Medicine Physician · NPI 1932100807

Dr. Michael J Sullivan, MD is a Hospitalist in San Diego, California. Graduated from University of California, Irvine, California College of Medicine in 1988, 38 years ago. Practices with Scripps Health Inpatient Providers Medical Group Inc, a 208-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2005
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

1835 El Cajon Blvd Ste B
San Diego, CA 92103-2591
Phone: (619) 692-3977
Fax: (619) 692-4160
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G66543 (CA)
Clinical Medical Laboratory Taxonomy 291U00000X · Licence G66543 (CA)

Record details

NPI number1932100807
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 2, 2005
Last updated in NPPESMay 10, 2013

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesGERIATRIC MEDICINE, INTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Scripps Health Inpatient Providers Medical Group Inc — 208 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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