PROVIDER PROFILE · NPI 1104014265

Mary MercerM.D.

PRACTICESTANFORD HEALTH CARESee all providers at this practice →

Emergency MedicineStanford, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — bottom quintile (cohort median 355).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

97.3

Quality

89.9

Cost

78.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.94%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mary Mercer'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
CITY & COUNTY OF SAN FRANCISCO	69	234
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	21	144
Jared Narvid Diagnostic Radiology · San Francisco, CA	13	21
Terry Lynch Diagnostic Radiology · San Francisco, CA	13	40
American Medical Response West Ambulance Service Provider · San Francisco, CA	11	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CITY & COUNTY OF SAN FRANCISCO	156	568
Terry Lynch Diagnostic Radiology · San Francisco, CA	62	110
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	45	197
Thienkhai Vu Diagnostic Radiology · San Francisco, CA	26	40
GOLDSCHLAGER, LEONORA	23	37
Allied Medical Service Of Calif Inc Ambulance Service Provider · San Francisco, CA	23	58
Alexander Rybkin Diagnostic Radiology · Santa Barbara, CA	21	38
Alina Uzelac Diagnostic Radiology · San Francisco, CA	18	30
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	16	63
COHEN, PIERRE-ALAIN	16	29
American Medical Response West Ambulance Service Provider · San Francisco, CA	14	33
Jason Talbott Diagnostic Radiology · San Francisco, CA	12	19

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