Isnt the query should look like this?
INNER JOIN CLARITY_SER_2 X_CLARITY_SER_800 ON (V_LOG_BASED.PRIMARY_PHYSICIAN_ID=CLARITY_SER_2 X_CLARITY_SER_80.PROV_ID)
LEFT OUTER JOIN ZC_PAT_SERVICE ON (CLARITY_SER_2 X_CLARITY_SER_80.SERVICE_DEFAULT_C=ZC_PAT_SERVICE.HOSP_SERV_C)