Ryan Walczak, MD
NPI 1336646405 · Otolaryngology Physician · West Columbia, SC
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Walczak, MD is a Otolaryngology Physician provider in West Columbia, SC (NPI 1336646405).
Provider details
- NPI number
- 1336646405
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
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
8 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
1,410 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 | 294 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 286 | $104 |
| Exam of Ear Using a Microscope92504 | 268 | $26 |
| Professional Service for Multiple Injections of Allergen95117 | 118 | $11 |
| Removal of Impacted Ear Wax69210 | 115 | $43 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 91 | $115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 151 | 67 |
| Azelastine Hcl | 93 | 44 |
| Famotidine | 85 | 34 |
| Ipratropium Bromide | 67 | 31 |
| Levocetirizine Dihydrochloride | 23 | — |
| Prednisone | 20 | 19 |
| Mupirocin | 17 | — |
| Omeprazole | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$284 across 10 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
- 2018-04-06
- Last updated
- 2024-01-16
- Certified
- 2024-01-16
Frequently asked questions
- What is Ryan Walczak's NPI number?
- Ryan Walczak's National Provider Identifier (NPI) is 1336646405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Walczak's specialty?
- Ryan Walczak is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Walczak located?
- Ryan Walczak's practice location on file with NPPES is 146 E Hospital Dr, Ste 200, West Columbia, SC 29169-2306.
- What is Ryan Walczak's phone number?
- The practice phone number listed in the NPPES registry for Ryan Walczak is (803) 936-7530.
- Does Ryan Walczak accept Medicare?
- Ryan Walczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Walczak's NPI active?
- Yes — Ryan Walczak's NPI (1336646405) is active in the NPPES registry as of the last update on 2024-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.