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

John R Chalison MD a Medical Corporation

Organization Pulmonary Disease Physician · NPI 1063459477

John R Chalison MD a Medical Corporation is a Pulmonary Disease Physician in Los Angeles, California. Works from 2 locations. Medicare rates this hospital 2 out of 5.

CMS rating
2 of 5
In the registry since
2006

CMS quality rating

2 out of 5 — official hospital rating from CMS Care Compare (CCN 050471)

Practice location Address checks out

616 Witmer St
Los Angeles, CA 90017-2308
Phone: (213) 977-2121
Show map & directions

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

Additional practice locations (1)

  • 2131 W 3rd St, Los Angeles, CA 90057-1901 — (213) 484-7111

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X

Record details

NPI number1063459477
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Chalison — Owner · (213) 977-2121
NPI enumeratedJune 2, 2006
Last updated in NPPESMay 11, 2018
Mailing addressPo Box 7096, Stockton, CA 95267-0096

Other providers in Los Angeles