What is Richard Marder's specialty?

Richard Marder (NPI 1477543742) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Sacramento, CA.

Where does Richard Marder practice?

Richard Marder practices in Sacramento, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1477543742.

How much does Medicare pay Richard Marder?

Richard Marder (NPI 1477543742) received approximately $28K in total Medicare Part B payments, serving 144 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1477543742

Richard MarderMD

Orthopedic SurgerySacramento, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

191

Unique beneficiaries

—

Total services

328

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — below median (cohort median 1,100).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

83.2

Quality

64.8

Cost

68.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.34%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Richard Marder'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). 3 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Daniel Parker Sports Medicine · Woodland, CA	13	32
BURGER PHYSICAL THERAPY AND REHABILITATION AGENCY INC	12	35
Cyrus Bateni Diagnostic Radiology · Sacramento, CA	11	34

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF CALIFORNIA	84	417
Robin Aldwinckle Anesthesiology · Ann Arbor, MI	21	71

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events