PROVIDER PROFILE · NPI 1821029059

Nerissa KoM.D.

NeurologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

389

Unique beneficiaries

—

Total services

492

Distinct HCPCS

Medicare payment

$37K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — below median (cohort median 581).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

99.0

Quality

95.0

Cost

80.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.01%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Nerissa Ko'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gordon Fung Cardiology · San Francisco, CA	68	350
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	33	109
Karl Meisel Neurology · Fort Myers, FL	21	193
American Medical Response West Ambulance Service Provider · San Francisco, CA	18	47
Michael Conte Vascular Surgery · San Francisco, CA	16	25
Charles Eichler Vascular Surgery · San Francisco, CA	16	35
Derek Sun Diagnostic Radiology · San Francisco, CA	14	39
Cynthia Chin Diagnostic Radiology · San Francisco, CA	13	69
Leo Sugrue Diagnostic Radiology · San Francisco, CA	13	52
Michael Lawton Neurosurgery · Phoenix, AZ	12	70
Christine Glastonbury Diagnostic Radiology · San Francisco, CA	12	44
KILLEBREW, ELLEN	11	45

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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