John Westerkamm, MD
NPI 1104812478 · Otolaryngology Physician · Springfield, TN
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Westerkamm, MD is a Otolaryngology Physician provider in Springfield, TN (NPI 1104812478).
Provider details
- NPI number
- 1104812478
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 44369 (TN)
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
1,675 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 907 | $13 |
| Professional Service for Multiple Injections of Allergen95117 | 314 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 147 | $102 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 42 | $164 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 112 | 29 |
| Prednisone | 83 | 55 |
| Methylprednisolone | 61 | 47 |
| Fluticasone Propionate | 41 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 24 |
| Diazepam | 28 | — |
| Epinephrine | 28 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$326 across 5 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
- 2005-09-22
- Last updated
- 2011-01-11
Frequently asked questions
- What is John Westerkamm's NPI number?
- John Westerkamm's National Provider Identifier (NPI) is 1104812478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Westerkamm's specialty?
- John Westerkamm is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Westerkamm located?
- John Westerkamm's practice location on file with NPPES is 451 Northcrest Dr, Springfield, TN 37172-3973.
- What is John Westerkamm's phone number?
- The practice phone number listed in the NPPES registry for John Westerkamm is (615) 433-7302.
- Does John Westerkamm accept Medicare?
- John Westerkamm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Westerkamm's NPI active?
- Yes — John Westerkamm's NPI (1104812478) is active in the NPPES registry as of the last update on 2011-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.