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

Michael Joseph Welch, MD

Individual provider Allergy & Immunology Physician · NPI 1699794222

Michael Joseph Welch, MD is an Allergy & Immunology Physician in San Diego, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5776 Ruffin Rd
San Diego, CA 92123-1013
Phone: (858) 292-1144
Fax: (858) 268-5145
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence G34844 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence G34844 (CA)

Record details

NPI number1699794222
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESMarch 14, 2016

Other providers in San Diego