PROVIDER PROFILE · NPI 1356378111

Anne ChangM.D.

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

536

Unique beneficiaries

—

Total services

728

Distinct HCPCS

Medicare payment

$46K

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

4,558

Beneficiaries

—

Total drug cost

$251K

Distinct drugs

Brand share

13.6%

Top prescribed drugs

Atorvastatin Calcium353 claims

Amlodipine Besylate302 claims

Levothyroxine Sodium225 claims

Rosuvastatin Calcium205 claims

Hydrochlorothiazide175 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

81.1

Cost

71.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Anne 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). 6 inbound referrers · 18 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gordon Fung Cardiology · San Francisco, CA	34	106
Deborah Chen Internal Medicine · Boston, MA	27	88
Linda Dulong Nurse Practitioner · San Francisco, CA	27	68
Derek Sun Diagnostic Radiology · San Francisco, CA	25	73
Judith Walsh Internal Medicine · San Francisco, CA	18	60
Daria Motamedi Diagnostic Radiology · San Francisco, CA	16	50

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	430	3,208
Linda Dulong Nurse Practitioner · San Francisco, CA	67	164
Rachel Wheeler Nurse Practitioner · San Francisco, CA	44	97
GALVIN, HELEN	37	99
Daria Motamedi Diagnostic Radiology · San Francisco, CA	25	94
Gordon Fung Cardiology · San Francisco, CA	23	74
Lynne Steinbach Diagnostic Radiology · San Francisco, CA	21	76
Derek Sun Diagnostic Radiology · San Francisco, CA	20	55
Deborah Chen Internal Medicine · Boston, MA	20	65
Molly Heublein Internal Medicine · San Francisco, CA	16	58
SUTTER BAY HOSPITALS	14	40
David Claman Pulmonary Disease · San Francisco, CA	13	46

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