William Katzenmeyer, M.D.
NPI 1922001213 · Otolaryngology Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Katzenmeyer, M.D. is a Otolaryngology Physician provider in Baton Rouge, LA (NPI 1922001213).
Provider details
- NPI number
- 1922001213
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 14317R (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
1,048 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 | 401 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 195 | $103 |
| Removal of Impacted Ear Wax69210 | 131 | $43 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 56 | $15 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 48 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 479 | 216 |
| Azelastine Hcl | 326 | 151 |
| Prednisone | 281 | 232 |
| Ipratropium Bromide | 234 | 79 |
| Montelukast Sodium | 196 | 53 |
| Mupirocin | 67 | 53 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 58 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 2 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
- 2005-05-31
- Last updated
- 2019-10-30
Frequently asked questions
- What is William Katzenmeyer's NPI number?
- William Katzenmeyer's National Provider Identifier (NPI) is 1922001213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Katzenmeyer's specialty?
- William Katzenmeyer is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is William Katzenmeyer located?
- William Katzenmeyer's practice location on file with NPPES is 7373 Perkins Rd, Baton Rouge, LA 70808-4326.
- What is William Katzenmeyer's phone number?
- The practice phone number listed in the NPPES registry for William Katzenmeyer is (225) 769-4044.
- Does William Katzenmeyer accept Medicare?
- William Katzenmeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Katzenmeyer's NPI active?
- Yes — William Katzenmeyer's NPI (1922001213) is active in the NPPES registry as of the last update on 2019-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.