Charles Zwerling, M.D.
NPI 1750313599 · Ophthalmology Physician · Goldsboro, NC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Zwerling, M.D. is a Ophthalmology Physician provider in Goldsboro, NC (NPI 1750313599).
Provider details
- NPI number
- 1750313599
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24960 (NC)
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
2,966 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 974 | $126 |
| Exam of Visual Field With Extended Testing92083 | 857 | $61 |
| Photography of the Retina92250 | 784 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $90 |
| Imaging of Retina92134 | 86 | $37 |
| Exam of the Internal Drainage System of Eye92020 | 72 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bimatoprostbrand: Lumigan | 387 | 132 |
| Latanoprost | 379 | 123 |
| Timolol Maleate | 228 | 73 |
| Travoprost | 128 | 31 |
| Brimonidine Tartrate | 126 | 31 |
| Brinzolamide/Brimonidine Tartbrand: Simbrinza | 71 | 16 |
| Latanoprostene Bunodbrand: Vyzulta | 63 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$359 across 15 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
- 2006-07-06
- Last updated
- 2008-12-22
Frequently asked questions
- What is Charles Zwerling's NPI number?
- Charles Zwerling's National Provider Identifier (NPI) is 1750313599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Zwerling's specialty?
- Charles Zwerling is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Zwerling located?
- Charles Zwerling's practice location on file with NPPES is 2709 Medical Office Place, Goldsboro, NC 27534-9458.
- What is Charles Zwerling's phone number?
- The practice phone number listed in the NPPES registry for Charles Zwerling is (919) 736-3937.
- Does Charles Zwerling accept Medicare?
- Charles Zwerling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Zwerling's NPI active?
- Yes — Charles Zwerling's NPI (1750313599) is active in the NPPES registry as of the last update on 2008-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.