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Daniel Combitsis, DO

Daniel Combitsis is a Internal Medicine Physician provider (Internal Medicine) practicing in Livermore, CA, registered in the NPPES registry with NPI 1942346549 since 2007. The credential DO stands for Doctor of Osteopathic Medicine. Practices at Kaiser Foundation Health Plan Inc (listed at the same practice address in NPPES).

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NPI 1942346549
Entity type Individual (Type 1)
Name Daniel Combitsis
Credential DO
Sex Male
Practice address 3000 LAS POSITAS RD, Livermore, CA, 94551
Phone 9252432600
Enumeration date 2007-01-30
Last updated in NPPES 2022-01-06

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207R00000X Internal Medicine Physician Primary 20A8071 CA

DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
00AX80710 Medicaid CA
Copy-ready billing details
Provider: Daniel Combitsis, DO
NPI: 1942346549
Taxonomy: 207R00000X (Internal Medicine Physician)
Address: 3000 LAS POSITAS RD, Livermore, CA, 94551

Other providers at this practice address

NPI Name Type Specialty Location
1841372836 Ian Bartos Individual Pediatrics Physician Livermore, CA
1588742647 Sheri Morris Individual Internal Medicine Physician Livermore, CA
1518045673 Iftekhar Sareshwala Individual Internal Medicine Physician Livermore, CA
1427136597 Sharon Mowat Individual Pediatrics Physician Livermore, CA
1598843641 Ryan Wu Individual Internal Medicine Physician Livermore, CA
1699853796 Nancy Everett Individual Obstetrics & Gynecology Physician Livermore, CA
1508944604 William Ong Individual Pediatrics Physician Livermore, CA
1134207236 Andrew Rodgers Individual Internal Medicine Physician Livermore, CA

Verify this record

Cross-check NPI 1942346549 against the authoritative CMS record: view Daniel Combitsis on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Daniel Combitsis practice?
The practice location on file with NPPES is in Livermore, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Daniel Combitsis?
The National Provider Identifier (NPI) for Daniel Combitsis is 1942346549, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-01-06.