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

Dr. David John Wallace, MD, MPH

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1770780835

Dr. David John Wallace, MD, MPH is a Critical Care (Intensivists) in Castro Valley, California. Qualified in 2004, 22 years ago. Practices with Alameda Health System, a 601-clinician group and accepts Medicare assignment. Licensed in California, Pennsylvania, South Carolina and Texas.

Years since qualifying
22
Licensed in
CA, PA, SC, TX
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone: (510) 537-1234
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence C170028 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD441174 (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 85105 (SC)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence S9431 (TX)

Record details

NPI number1770780835
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESAugust 30, 2025
Certification dateAugust 30, 2025
Mailing address3215 Burdeck Dr, Oakland, CA 94602-2623

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Alameda Health System — 601 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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