npidexNPI registry + Medicare data

GUY VIN CHANG, M.D.

Geriatric Medicine (Internal Medicine) Physician · WASHINGTON, DC

Individual Active NPI 1154718955

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20243121,252$351,695$158,746$126,614
20233171,093$328,124$133,117$98,391
2022123310$91,571$34,926$27,309

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99350Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes313$210$158
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes223$135$109
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes95$197$159
G0180Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and63$63$51
36415Insertion of needle into vein for collection of blood sample57$9$9
G0318Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif47$36$28
M0201Administration of pneumococcal, influenza, hepatitis b, and/or covid-19 vaccine inside a patient's home; reported only once per individual home per date of service when such vaccine administration(s) are performed at the patient's home43$42$42
99497Advance care planning, first 30 minutes43$95$85
G0008Administration of influenza virus vaccine42$36$36
90662Influenza vaccine split virus, preservative free41$82$82
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes40$89$72
G0179Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a31$50$41

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Geriatric Medicine (Internal Medicine) Physician207RG0300X✓MD210002191DC
Hospitalist Physician208M00000X11014SD
Student in an Organized Health Care Education/Training Program390200000XT0741TX

Medicare eligibility

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

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