What is Alexander Chang's specialty?

Alexander Chang (NPI 1225356231) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Francisco, CA.

Where does Alexander Chang practice?

Alexander Chang practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1225356231.

How much does Medicare pay Alexander Chang?

Alexander Chang (NPI 1225356231) received approximately $77K in total Medicare Part B payments, serving 165 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1225356231

Alexander ChangM.D.

PRACTICEBAY AREA FOOT CARE, INCSee all providers at this practice →

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

426

Unique beneficiaries

—

Total services

880

Distinct HCPCS

Medicare payment

$66K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

4,646

Beneficiaries

—

Total drug cost

$567K

Distinct drugs

Brand share

15.1%

Top prescribed drugs

Atorvastatin Calcium518 claims

Amlodipine Besylate287 claims

Losartan Potassium241 claims

Lisinopril170 claims

Metformin Hcl159 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$353

Payment records

By payment type

Food and Beverage$353

Top paying entities

Food and Beverage$353

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (8)

Home health agency

Home health agency

Home health agency

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Alexander Chang's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTH EAST MEDICAL SERVICES	24	73
Wai-Hang Lam Family Practice · San Francisco, CA	14	57
LOW, RANDALL	12	39
Judy Hsu Internal Medicine · San Francisco, CA	11	25
Richard Huynh Family Practice · San Francisco, CA	11	237

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTH EAST MEDICAL SERVICES	77	292
NORTH EAST MEDICAL SERVICES	70	374
NORTH EAST MEDICAL SERVICES	36	145
SUTTER BAY HOSPITALS	26	95
CHINESE HOSPITAL ASSOCIATION	25	160
Unilab Corporation Clinical Laboratory · Sacramento, CA	23	96
Unilab Corporation Clinical Laboratory · San Jose, CA	21	145
NORTH EAST MEDICAL SERVICES	19	61
Sharon Stein Diagnostic Radiology · San Mateo, CA	16	51
Roger Eng Diagnostic Radiology · San Francisco, CA	12	45
Eric Wang Diagnostic Radiology · Santa Cruz, CA	12	41
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	12	42

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history