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

Theresa Ann Tacy, MD

Individual provider Pediatrics Physician · NPI 1366478638

Theresa Ann Tacy, MD is a Pediatric Medicine in Palo Alto, California. Qualified in 1987, 39 years ago. Practices with Lpch Medical Group Div of Lucile, a 337-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
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.

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Practice location Address checks out

725 Welch Rd
Palo Alto, CA 94304-1601
Phone: (650) 497-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence C50143 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence C50143 (CA)

Record details

NPI number1366478638
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2006
Last updated in NPPESApril 11, 2024
Certification dateApril 11, 2024

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Lpch Medical Group Div Of Lucile — 337 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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