What is Harriet Hamer's specialty?

Harriet Hamer (NPI 1366429110) is a Medicare-billing provider whose primary specialty is Anesthesiology in South Bend, IN.

Where does Harriet Hamer practice?

Harriet Hamer practices in South Bend, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1366429110.

How much does Medicare pay Harriet Hamer?

Harriet Hamer (NPI 1366429110) received approximately $32K in total Medicare Part B payments, serving 134 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1366429110

Harriet HamerM.D.

AnesthesiologySouth Bend, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

100

Unique beneficiaries

—

Total services

132

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 1,083 Anesthesiology providers in IN — top quintile (cohort median 174).

PRESCRIBING · PART D · 2024

Total Rx claims

349

Beneficiaries

—

Total drug cost

$6K

Distinct drugs

Brand share

10.6%

Top prescribed drugs

Gabapentin121 claims

Pregabalin45 claims

Baclofen40 claims

Methocarbamol32 claims

Hydrocodone/Acetaminophen25 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 Harriet Hamer'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). 2 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEMORIAL HOSPITAL OF SOUTH BEND	152	912
The South Bend Clinic Llc Ambulatory Surgical Center · South Bend, IN	14	38

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MEMORIAL HOSPITAL OF SOUTH BEND	77	516
South Bend Medical Foundation, Inc Clinical Laboratory · South Bend, IN	32	204
SEIFFERT, THOMAS	14	29
Laboratory Corporation Of America Holdings Clinical Laboratory · Burlington, NC	13	37
SAINT JOSEPH REGIONAL MEDICAL CENTER-SOUTH BEND CAMPUS, INC.	12	23
Jonathan Weiss Diagnostic Radiology · Mishawaka, IN	11	22
Tri-County Ambulance Service, Inc. Ambulance Service Provider · Wakarusa, IN	11	18
Sarah Holewczynski Nurse Practitioner · South Bend, IN	11	32
LANGHEINRICH, WALTER	11	60
Alexander Tawadros Diagnostic Radiology · Mishawaka, IN	11	22

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