Gillian Treadwell, MD
NPI 1205178688 · Ophthalmology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillian Treadwell, MD is a Ophthalmology Physician provider in Winston Salem, NC (NPI 1205178688).
Provider details
- NPI number
- 1205178688
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301106083 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
1,188 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 | 334 | $91 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 240 | $15 |
| Imaging of Optic Nerve92133 | 202 | $20 |
| Exam of Visual Field With Extended Testing92083 | 199 | $25 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $61 |
| Exam of the Internal Drainage System of Eye92020 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,948 | 419 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 964 | 275 |
| Brimonidine Tartrate | 637 | 172 |
| Timolol Maleate | 373 | 106 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 243 | 52 |
| Dorzolamide Hcl | 169 | 47 |
| Netarsudil Mesylatebrand: Rhopressa | 146 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 2 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
- 2013-03-22
- Last updated
- 2019-07-02
Frequently asked questions
- What is Gillian Treadwell's NPI number?
- Gillian Treadwell's National Provider Identifier (NPI) is 1205178688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Treadwell's specialty?
- Gillian Treadwell is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gillian Treadwell located?
- Gillian Treadwell's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-7232.
- What is Gillian Treadwell's phone number?
- The practice phone number listed in the NPPES registry for Gillian Treadwell is (336) 716-1322.
- Does Gillian Treadwell accept Medicare?
- Gillian Treadwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillian Treadwell's NPI active?
- Yes — Gillian Treadwell's NPI (1205178688) is active in the NPPES registry as of the last update on 2019-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.