William Steigerwald, OD
NPI 1396841599 · Optometrist · Greenville, SC
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Steigerwald, OD is a Optometrist provider in Greenville, SC (NPI 1396841599).
Provider details
- NPI number
- 1396841599
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 1639 (SC)
Specialties & taxonomies
Eye and Vision Services Providers
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
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
672 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 Complete Exam of Visual System92014 | 312 | $115 |
| New Patient Complete Exam of Visual System92004 | 108 | $138 |
| Established Patient Problem Focused Exam of Visual System92012 | 96 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $85 |
| Imaging of Retina92134 | 27 | $37 |
| Exam of Visual Field With Extended Testing92083 | 26 | $58 |
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 |
|---|---|---|
| Latanoprost | 174 | 49 |
| Timolol Maleate | 39 | — |
| Bimatoprostbrand: Lumigan | 31 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 22 | — |
| Brimonidine Tartrate | 17 | — |
| Ofloxacin | 17 | 16 |
| Azithromycin | 14 | 14 |
| Erythromycin Basebrand: Erythromycin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 across 7 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
- 2006-09-15
- Last updated
- 2026-05-08
- Certified
- 2026-05-08
Frequently asked questions
- What is William Steigerwald's NPI number?
- William Steigerwald's National Provider Identifier (NPI) is 1396841599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Steigerwald's specialty?
- William Steigerwald is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Steigerwald located?
- William Steigerwald's practice location on file with NPPES is 113 Doctors Dr, Greenville, SC 29605-5608.
- What is William Steigerwald's phone number?
- The practice phone number listed in the NPPES registry for William Steigerwald is (864) 269-3333.
- Does William Steigerwald accept Medicare?
- William Steigerwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Steigerwald's NPI active?
- Yes — William Steigerwald's NPI (1396841599) is active in the NPPES registry as of the last update on 2026-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.