What is Robert Steiner's specialty?

Robert Steiner (NPI 1811043607) is a Medicare-billing provider whose primary specialty is Nephrology in San Diego, CA.

Where does Robert Steiner practice?

Robert Steiner practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1811043607.

How much does Medicare pay Robert Steiner?

Robert Steiner (NPI 1811043607) received approximately $4K in total Medicare Part B payments, serving 34 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811043607

Robert SteinerM.D.

NephrologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$4K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — bottom quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$410

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Nifedipine13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Robert Steiner'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF CALIFORNIA	238	5,697
Mita Shah Nephrology · San Diego, CA	128	3,258
WARD, DAVID	72	773
Kristin Mekeel General Surgery · Aurora, CO	36	622
RENNER, JOHN	29	259
Saima Aslam Infectious Disease · San Diego, CA	24	503
Unilab Corporation Clinical Laboratory · West Hills, CA	24	188
Sharon Brouha Diagnostic Radiology · San Diego, CA	22	123
William Ladd Diagnostic Radiology · San Diego, CA	21	124
Albert Hsiao Diagnostic Radiology · San Diego, CA	20	132
Alan Hemming General Surgery · Iowa City, IA	19	192
NPI 1255335535	18	49

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events