What is David Hemmer's specialty?

David Hemmer (NPI 1710984729) is a Medicare-billing provider whose primary specialty is Otolaryngology in St Charles, IL.

Where does David Hemmer practice?

David Hemmer practices in St Charles, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1710984729.

How much does Medicare pay David Hemmer?

David Hemmer (NPI 1710984729) received approximately $173K in total Medicare Part B payments, serving 1,293 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1710984729

David HemmerM.D.

OtolaryngologySt Charles, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,162

Unique beneficiaries

—

Total services

2,742

Distinct HCPCS

Medicare payment

$166K

Peer benchmark

Total Medicare services vs. 317 Otolaryngology providers in IL — top quintile (cohort median 866).

PRESCRIBING · PART D · 2024

Total Rx claims

1,915

Beneficiaries

—

Total drug cost

$31K

Distinct drugs

Brand share

9.9%

Top prescribed drugs

Fluticasone Propionate534 claims

Prednisone349 claims

Omeprazole246 claims

Azelastine Hcl241 claims

Neomycin/Polymyxin B/Hydrocort94 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 David Hemmer'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Joseph Pacer Audiologist · St Charles, IL	214	442
CENTRAL DUPAGE HOSPITAL ASSOCIATION	75	117
DELNOR COMMUNITY HOSPITAL	53	148
BREMS, STEPHEN	40	88
Elio Vento Internal Medicine · Elgin, IL	23	42
Richard Baley Internal Medicine · Elgin, IL	23	98
Dennis Flynn Internal Medicine · Elgin, IL	22	43
Gongyu Yang Diagnostic Radiology · Elgin, IL	20	40
Brian Schwartz Diagnostic Radiology · Elgin, IL	20	24
John Fiedler Internal Medicine · Elgin, IL	20	71
Subba Raju Diagnostic Radiology · Elgin, IL	19	34
Valley Ambulatory Surgery Center, Lp Ambulatory Surgical Center · St Charles, IL	18	29

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