David Zweiback
NPI 1457369233 · Internal Medicine Physician · Hilton Head Island, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Zweiback is a Internal Medicine Physician provider in Hilton Head Island, SC (NPI 1457369233).
Provider details
- NPI number
- 1457369233
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 93894DO (SC)
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
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
777 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 167 | $68 |
| Fluoroscopic Guidance for Needle Placement77002 | 159 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 155 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $131 |
| X-Ray of Knee, 4 Or More Views73564 | 68 | $49 |
| Review By Radiologist of Knee Joint Image73580 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 205 | 21 |
| Rosuvastatin Calcium | 183 | 30 |
| Gabapentin | 115 | 18 |
| Amlodipine Besylate | 64 | 12 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 64 | — |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 55 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$504 across 26 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
- 2006-08-04
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is David Zweiback's NPI number?
- David Zweiback's National Provider Identifier (NPI) is 1457369233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Zweiback's specialty?
- David Zweiback is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Zweiback located?
- David Zweiback's practice location on file with NPPES is 89 N Main St, Hilton Head Island, SC 29926-6613.
- What is David Zweiback's phone number?
- The practice phone number listed in the NPPES registry for David Zweiback is (843) 681-5305.
- Does David Zweiback accept Medicare?
- David Zweiback is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Zweiback's NPI active?
- Yes — David Zweiback's NPI (1457369233) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.