Dr. Charles S. Zwerling, MD
- Medicare services, 2024
- 2,966
- Medicare patients, 2024
- 596
- Part D claims, 2024
- 1,733
- MIPS score, 2024
- 97
- Industry payments
- $1,676
- Practice address
- 2709 Medical Office Pl, Goldsboro, NC 27534
- Practice phone
- Call (919) 736-3937
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Goldsboro Eye Clinic
Goldsboro, North Carolina
Find Dr. Zwerling's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles S. Zwerling is an ophthalmologist in Goldsboro, North Carolina
Dr. Zwerling practices at Goldsboro Eye Clinic in Goldsboro, North Carolina.
Dr. Zwerling's NPI, 1750313599, was assigned on July 6, 2006. Dr. Zwerling holds North Carolina license 24960.
- NPI
- 1750313599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769571918
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 736-3937
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles S. Zwerling practices at Goldsboro Eye Clinic in Goldsboro, North Carolina
Dr. Zwerling's primary practice is Goldsboro Eye Clinic, at 2709 Medical Office Pl, Goldsboro, NC 27534 in Wayne County. The practice phone is (919) 736-3937.
- Goldsboro Eye Clinic2709 Medical Office Pl, Goldsboro, NC 27534 · Wayne CountyPhone(919) 736-3937
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles S. Zwerling is affiliated with 1 site of care
Dr. Zwerling's primary practice is Goldsboro Eye Clinic in Goldsboro, North Carolina.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Charles S. Zwerling's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zwerling practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Goldsboro Eye Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles S. Zwerling is one of 552 ophthalmologists in North Carolina
Ophthalmology is Dr. Zwerling's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Zwerling is licensed in North Carolina.
Specialties and state licenses
- Ophthalmology, North CarolinaPrimary
Ophthalmologists near Dr. Zwerling
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charles S. Zwerling billed Medicare for 2,966 services in 2024
CMS data shows 2,966 Medicare services from Dr. Zwerling across 8 procedure codes in 2024, for 596 Medicare patients. Medicare paid $156,074 for them. Every service was in an office.
Dr. Zwerling's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,3602024: 1,79924%
- Office and hospital visits
- 2023: 1,3442024: 1,15114%
- Imaging
- 2023: 142024: 1614%
- Surgery
- 2023: 552024: 0100%
Dr. Zwerling compared with the North Carolina median for ophthalmologists, 2024
- Dr. Zwerling
- North Carolina median
- Medicare services
- 2,966vs 1,70174% above
- Medicare patients
- 596vs 5665% above
- Part D claims
- 1,640vs 6202.6 times
Medians across 580 ophthalmologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Zwerling's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zwerling and other ophthalmologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles S. Zwerling treated 596 Medicare patients in 2024, average age 73
CMS counts 596 Medicare patients who saw Dr. Zwerling in 2024. The largest group is 65 to 74, with 250 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zwerling's median patient age at 68, with 57% women.
Dr. Zwerling's Medicare patients by age, 2024
Dr. Zwerling's Medicare patients by sex, 2024
- Women31954%
- Men27746%
Chronic conditions among Dr. Zwerling's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes47%
- Arthritis35%
- Chronic kidney disease28%
- Ischemic heart disease22%
- Anxiety18%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zwerling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles S. Zwerling wrote 1,733 Medicare Part D claims in 2024
In 2024, Dr. Zwerling wrote 1,733 Medicare Part D claims for 402 patients. 47% of them were for generic drugs. CMS names the drug for 1,640 of them, across 16 drugs with 11 or more claims each, at $341,187 in total drug cost. In 2023, CMS named 1,541 claims across 16 drugs.
Dr. Zwerling's Part D claims by kind of drug, 2024
- Generic822 claims47%
- Brand-name911 claims53%
Dr. Zwerling's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zwerling's Part D claims, 2024
- Antibiotics1%20 of 1,733 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5412024: 1,6406%
Drugs named by CMS: 16 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Charles S. Zwerling scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Zwerling for performance year 2024, reported individually. Dr. Zwerling accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zwerling's MIPS scores, performance year 2024
- 97of 100Final score
- 87.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles S. Zwerling received $1,676 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Zwerling from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. MacuLogix, Inc. paid the most, $327.
General payments to Dr. Zwerling by program year, 2016 to 2025
General payments to Dr. Zwerling by kind, 2016 to 2025
- Food and beverage$1,37682%
- Honoraria$30018%
Companies that paid Dr. Zwerling the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charles S. Zwerling's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles S. Zwerling
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What is Dr. Charles S. Zwerling's NPI number?
Dr. Charles S. Zwerling's NPI number is 1750313599. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles S. Zwerling?
Dr. Charles S. Zwerling is an ophthalmologist in Goldsboro, North Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Charles S. Zwerling practice?
Dr. Zwerling practices at 2709 Medical Office Pl, Goldsboro, NC 27534. Dr. Zwerling's primary practice is Goldsboro Eye Clinic in Goldsboro, North Carolina.
What is Dr. Charles S. Zwerling's office phone number?
The practice phone on file for Dr. Zwerling is (919) 736-3937.
What is Dr. Charles S. Zwerling's medical license number?
Dr. Zwerling holds North Carolina license 24960.
Does Dr. Charles S. Zwerling accept Medicare?
Yes. CMS data shows Dr. Zwerling billed Medicare for 2,966 services in 2024, and Dr. Zwerling accepts Medicare assignment.
What is Dr. Charles S. Zwerling's MIPS score?
Dr. Zwerling's MIPS final score for performance year 2024 is 97 out of 100, reported individually.
How many Medicare patients does Dr. Charles S. Zwerling see?
CMS counts 596 Medicare patients who saw Dr. Zwerling in 2024, with an average age of 73.
What services does Dr. Charles S. Zwerling bill to Medicare?
In 2024, Dr. Zwerling's most billed Medicare services were office visit, established patient (99214), eye exam or test (92083) and eye exam or test (92250).
What drugs does Dr. Charles S. Zwerling prescribe most?
In 2024 Medicare Part D data, Dr. Zwerling's most prescribed drugs by claims were Lumigan, Latanoprost and Timolol Maleate.
Has Dr. Charles S. Zwerling received payments from drug or device companies?
CMS Open Payments shows $1,676 in general payments to Dr. Zwerling from 16 companies from 2016 to 2025. The largest total came from MacuLogix, Inc.
How long has Dr. Charles S. Zwerling been practicing?
Dr. Zwerling graduated from medical school in 1977, 49 years ago.
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