John Kostrzewa, M.D.
NPI 1093924359 · Otolaryngology Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kostrzewa, M.D. is a Otolaryngology Physician provider in Huntsville, AL (NPI 1093924359).
Provider details
- NPI number
- 1093924359
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
993 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 354 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $113 |
| Removal of Impacted Ear Wax69210 | 88 | $40 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 60 | $106 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 55 | $163 |
| Removal of Impacted Cerumen (one Or Both Ears) By Physician on Same Date of Service As Audiologic Function TestingG0268 | 52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 79 | 31 |
| Ipratropium Bromide | 68 | 30 |
| Ondansetronbrand: Ondansetron Odt | 49 | 36 |
| Famotidine | 48 | 15 |
| Azelastine Hcl | 46 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | 34 |
| Triamcinolone Acetonide | 34 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,509 across 31 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
- 2007-05-22
- Last updated
- 2022-12-22
- Certified
- 2022-12-22
Frequently asked questions
- What is John Kostrzewa's NPI number?
- John Kostrzewa's National Provider Identifier (NPI) is 1093924359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kostrzewa's specialty?
- John Kostrzewa is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kostrzewa located?
- John Kostrzewa's practice location on file with NPPES is 1963 Memorial Parkway Sw, Huntsville, AL 35801.
- What is John Kostrzewa's phone number?
- The practice phone number listed in the NPPES registry for John Kostrzewa is (256) 536-9300.
- Does John Kostrzewa accept Medicare?
- John Kostrzewa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kostrzewa's NPI active?
- Yes — John Kostrzewa's NPI (1093924359) is active in the NPPES registry as of the last update on 2022-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.