David Hemmer, M.D.
NPI 1710984729 · Specialist · St Charles, IL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Hemmer, M.D. is a Specialist provider in St Charles, IL (NPI 1710984729).
Provider details
- NPI number
- 1710984729
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036052972 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,742 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,440 | $93 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 519 | $115 |
| Comprehensive Hearing and Speech Recognition Test92557 | 330 | $36 |
| Test to Assess Middle Ear Function92567 | 241 | $16 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 135 | $134 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 35 | $194 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 534 | 274 |
| Prednisone | 349 | 255 |
| Omeprazole | 246 | 89 |
| Azelastine Hcl | 241 | 96 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hc | 94 | 75 |
| Ipratropium Bromide | 88 | 31 |
| Azithromycin | 62 | 52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is David Hemmer's NPI number?
- David Hemmer's National Provider Identifier (NPI) is 1710984729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hemmer's specialty?
- David Hemmer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is David Hemmer located?
- David Hemmer's practice location on file with NPPES is 2210 Dean St Ste L, St Charles, IL 60175-1059.
- What is David Hemmer's phone number?
- The practice phone number listed in the NPPES registry for David Hemmer is (630) 461-9833.
- Does David Hemmer accept Medicare?
- David Hemmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Hemmer's NPI active?
- Yes — David Hemmer's NPI (1710984729) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.