What is Robert Sonntag's specialty?

Robert Sonntag (NPI 1699741397) is a Medicare-billing provider whose primary specialty is Geriatric Medicine in Minneapolis, MN.

Where does Robert Sonntag practice?

Robert Sonntag practices in Minneapolis, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1699741397.

How much does Medicare pay Robert Sonntag?

Robert Sonntag (NPI 1699741397) received approximately $2K in total Medicare Part B payments, serving 19 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699741397

Robert SonntagMD

PRACTICEDENTEXPERTSee all providers at this practice →

Geriatric MedicineMinneapolis, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$1K

Peer benchmark

Total Medicare services vs. 37 Geriatric Medicine providers in MN — bottom quintile (cohort median 321).

PRESCRIBING · PART D · 2024

Total Rx claims

373

Beneficiaries

—

Total drug cost

$39K

Distinct drugs

Brand share

37.3%

Top prescribed drugs

Apixaban39 claims

Atorvastatin Calcium36 claims

Amlodipine Besylate27 claims

Mirabegron26 claims

Metoprolol Tartrate24 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 Sonntag'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
ALLINA HEALTH SYSTEM	142	588
THE HOMESTEAD AT ANOKA, INC.	78	293
Allina Health System Ambulance Service Provider · Saint Paul, MN	45	179
Group Health Plan Inc. Clinical Laboratory · Eden Prairie, MN	30	100
HEALTHEAST ST JOSEPHS HOSPITAL	29	363
Wanda Ethen Internal Medicine · Plymouth, MN	27	104
NPI 1083760789	22	98
Amy Barger Internal Medicine · St Paul, MN	17	74
Professional Portable Radiologic Services, Inc. Portable X-Ray Supplier · Burnsville, MN	15	38
Mark Evans Cardiology · Minneapolis, MN	13	40
Bradley Close Diagnostic Radiology · Roseville, MN	11	40
Mark Wilson Diagnostic Radiology · Roseville, MN	11	34

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