PROVIDER PROFILE · NPI 1952592743

Derek MarseeMD, PHD

PathologySacramento, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,048

Unique beneficiaries

—

Total services

7,296

Distinct HCPCS

Medicare payment

$460K

Peer benchmark

Total Medicare services vs. 1,209 Pathology providers in CA — top quintile (cohort median 1,423).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

80.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Derek Marsee'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). 30 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
David No Dermatology · Folsom, CA	214	248
Marc Silverstein Dermatology · Sacramento, CA	95	149
Christopher Ha Dermatology · Roseville, CA	73	88
Christine Elder Physician Assistant · Sonora, CA	62	77
PASHAEI, SHAYESTEH	54	80
David Guillen Dermatology · Gastonia, NC	53	55
Linda Sheu Dermatology · Roseville, CA	45	62
Jennifer Allen Physician Assistant · Cooperstown, NY	36	43
SUTTER VALLEY HOSPITALS	35	45
BRAUNSTEIN, SHEILA	32	39
Mary Markiewitz Physician Assistant · Sacramento, CA	32	34
GHISELLI, ROBERT	29	41

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