What is Sandra Herrmann's specialty?

Sandra Herrmann (NPI 1790964088) is a Medicare-billing provider whose primary specialty is Nephrology in Rochester, MN.

Where does Sandra Herrmann practice?

Sandra Herrmann practices in Rochester, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1790964088.

How much does Medicare pay Sandra Herrmann?

Sandra Herrmann (NPI 1790964088) received approximately $12K in total Medicare Part B payments, serving 90 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790964088

Sandra HerrmannMD

PRACTICEMAYO CLINICSee all providers at this practice →

NephrologyRochester, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

176

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 176 Nephrology providers in MN — bottom quintile (cohort median 667).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$65

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Prednisone13 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 Sandra Herrmann'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
William Morice Pathology · Rochester, MN	80	451
WINONA HEALTH SERVICES	37	722
WINONA HEALTH SERVICES	35	955
Anne Olsen Wagner Nurse Practitioner · Winona, MN	32	496
GUNDERSEN LUTHERAN MEDICAL CENTER INC	23	282
Giustino Albanese Diagnostic Radiology · Madison, WI	15	42
Timothy Larson Nephrology · Rochester, MN	13	33
Joseph Kaiya Internal Medicine · Winona, MN	11	38
Peter Brady Cardiology · Chicago, IL	11	14

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