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

Alex John Heard, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1407411200

Alex John Heard, MD is a Critical Care (Intensivists) in Palo Alto, California. Qualified in 2019, 7 years ago. Works from 2 locations. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2019
Specialties on file
3
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

300 Pasteur Dr
Palo Alto, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (1)

  • 725 Welch Rd, Palo Alto, CA 94304-1601 — (650) 497-8000

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence A193727 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A193727 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence A193727 (CA)

Record details

NPI number1407411200
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 7, 2019
Last updated in NPPESJuly 2, 2026
Certification dateJuly 2, 2026

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesPULMONARY DISEASE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated

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