Doctor profile · Federal record

Dr. David Hemmer, M.D.

Specialist (CMS: Otolaryngology) · St Charles, IL

  • NPI 1710984729
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2210 Dean St Ste L
St Charles, IL 601751059
(630) 461-9833
fax (847) 741-8587

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 14, 2021
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Illinois #036052972
Medicaid
IL #036052972

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710984729. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,376
Distinct HCPCS
9
Medicare allowed
$248,594
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,507 930 $94
99203 New patient office or other outpatient visit, 30-44 minutes 563 563 $117
31575 Diagnostic exam of voice box using a flexible endoscope 168 157 $137
92557 Comprehensive hearing and speech recognition test 32 32 $35
99214 Established patient office or other outpatient visit, 30-39 minutes 27 26 $133
92567 Test to assess middle ear function 23 22 $15
31231 Diagnostic exam of nasal passages using an endoscope 22 21 $202
69433 Incision of eardrum with insertion of eardrum tube under local or topical anesthesia 19 17 $239
31238 Control of bleeding of nose using an endoscope 15 13 $275

In context: peer comparison

Among 2 peers in St Charles Specialist, average services per provider: 254. This provider delivers 9.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,685
Patients
930
Total drug cost
$39,366
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 464 238 $10,427
Prednisone Generic 327 221 $1,653
Omeprazole Generic 236 82 $4,002
Azelastine Hcl Generic 217 105 $8,739
Ipratropium Bromide Generic 78 27 $3,257
Neomycin-Polymyxin-Hc (Neomycin/Polymyxin B/Hydrocort) Brand 76 58 $4,907
Azithromycin Generic 66 59 $385
Cefdinir Generic 39 34 $1,089
Amoxicillin Generic 31 17 $214
Dexamethasone Sodium Phosphate Generic 31 18 $1,505

Frequently asked questions

Auto-generated from federal data
What is Dr. David Hemmer's medical specialty?
Dr. David Hemmer practices Specialist in St Charles, IL.
Where does Dr. David Hemmer practice?
Dr. David Hemmer practices at 2210 Dean St Ste L, St Charles, IL 601751059. Office phone: 6304619833.
What is Dr. David Hemmer's NPI?
Dr. David Hemmer's National Provider Identifier (NPI) is 1710984729, issued by NPPES.
Does Dr. David Hemmer accept Medicare assignment?
Yes. Dr. David Hemmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Hemmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575). Source: CMS Medicare Physician & Other Practitioners file.