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

John Daliva, DO Inc

Organization Addiction Medicine (Internal Medicine) Physician · NPI 1710556667

John Daliva, DO Inc is an Addiction Medicine (Internal Medicine) Physician in Montclair, California. Works from 2 locations. Medicare rates this nursing home 5 out of 5.

CMS rating
5 of 5
In the registry since
2021
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

CMS quality rating

5 out of 5 — official nursing home rating from CMS Care Compare (CCN 056444)
Health inspection5.0 / 5
Staffing3.0 / 5
Quality measures4.0 / 5
OwnershipFor profit - Limited Liability company

Practice location Address checks out

9620 Fremont Ave
Montclair, CA 91763-2320
Phone: (909) 621-4751
Fax: (909) 801-7008
Show map & directions

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

Additional practice locations (1)

  • 867 E 11th St, Upland, CA 91786-4867 — (909) 985-1981

Specialties & licences

Addiction Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0401X

Record details

NPI number1710556667
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Daliva — Owner · (909) 970-5700
Other names John Daliva, Do; John Daliva, Do
NPI enumeratedJune 23, 2021
Last updated in NPPESMarch 31, 2026
Certification dateMarch 31, 2026
Mailing addressPo Box 2698, Chino Hills, CA 91709-0090