John Dahm, MD
NPI 1912996745 · Otolaryngology Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dahm, MD is a Otolaryngology Physician provider in Chesterfield, MO (NPI 1912996745).
Provider details
- NPI number
- 1912996745
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD101598 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,552 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 551 | $122 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 360 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 360 | $86 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 280 | $120 |
| Removal of Impacted Ear Wax69210 | 210 | $42 |
| Removal of Impacted Cerumen (one Or Both Ears) By Physician on Same Date of Service As Audiologic Function TestingG0268 | 192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 326 | 116 |
| Pantoprazole Sodium | 274 | 95 |
| Azelastine Hcl | 231 | 111 |
| Doxycycline Hyclate | 120 | 111 |
| Methylprednisolone | 108 | 103 |
| Montelukast Sodium | 103 | 37 |
| Famotidine | 103 | 32 |
| Mupirocin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$379 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-14
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is John Dahm's NPI number?
- John Dahm's National Provider Identifier (NPI) is 1912996745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dahm's specialty?
- John Dahm is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Dahm located?
- John Dahm's practice location on file with NPPES is 226 S Woods Mill Rd, Chesterfield, MO 63017-3662.
- What is John Dahm's phone number?
- The practice phone number listed in the NPPES registry for John Dahm is (314) 523-5300.
- Does John Dahm accept Medicare?
- John Dahm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dahm's NPI active?
- Yes — John Dahm's NPI (1912996745) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.