npidexNPI registry + Medicare data

WILLIAM CHANG, D.O.

Pulmonary Disease Physician · SAN JUAN CAPISTRANO, CA

Individual Active NPI 1417902149

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20246285,984$1,234,200$564,790$437,594
20236425,152$1,141,765$528,487$408,100
20225943,323$887,642$419,747$329,811

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99215Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more1,305$198$152
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's778$18$14
94664Evaluation of use of breathing device399$21$17
99443Telephone medical discussion with physician, 21-30 minutes360$141$111
94729Test to examine how well the lungs exchange gases314$67$51
94727Test to determine lung volumes using gas dilution or washout287$52$40
94375Test to measure rate of airflow283$45$36
94060Test to measure expiratory airflow and volume changes before and after medication administration258$45$35
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more248$142$109
99497Advance care planning, first 30 minutes233$88$69
94010Test to measure expiratory airflow and volume232$32$25
G2212Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or192$35$27

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Pulmonary Disease Physician207RP1001X✓20A7942CA
Specialist174400000X20A7942CA
Critical Care Medicine (Internal Medicine) Physician207RC0200X20A7942CA

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Pulmonary Disease Physician providers in California

See all Pulmonary Disease Physician providers in California →

Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.