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

Dennis Ha, MD

Individual provider Internal Medicine Physician · NPI 1922460617

Dennis Ha, MD is an Internal Medicine in San Leandro, California. Qualified in 2016, 10 years ago. Practices with Alameda Health System, a 601-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
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

13855 E 14th St
San Leandro, CA 94578-2611
Phone: (530) 567-6500
Fax: (510) 667-4572
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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 A151317 (CA)

Record details

NPI number1922460617
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 22, 2016
Last updated in NPPESSeptember 30, 2019
Mailing address13855 E 14th St, San Leandro, CA 94578-2600

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Alameda Health System — 601 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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