John Dugan, MD FAAO PA
NPI 1356340574 · Ophthalmology Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dugan, MD FAAO PA is a Ophthalmology Physician provider in Corpus Christi, TX (NPI 1356340574).
Provider details
- NPI number
- 1356340574
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD FAAO PA
- Sex
- Male
- Sole proprietor
- No
- License
- E1306 (TX)
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
20 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
681 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 | 329 | $123 |
| Imaging of Retina92134 | 187 | $39 |
| New Patient Complete Exam of Visual System92004 | 73 | $146 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 28 | $303 |
| Established Patient Problem Focused Exam of Visual System92012 | 21 | $87 |
| Photography of the Retina92250 | 19 | $36 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 196 | 95 |
| Prednisolone Acetate | 116 | 96 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 93 | 73 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 75 | 33 |
| Timolol Maleate | 72 | 33 |
| Brimonidine Tartrate | 60 | 29 |
| Moxifloxacin Hclbrand: Moxifloxacin | 35 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 1 record (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
- 2005-07-19
- Last updated
- 2022-09-12
- Certified
- 2022-09-12
Frequently asked questions
- What is John Dugan's NPI number?
- John Dugan's National Provider Identifier (NPI) is 1356340574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dugan's specialty?
- John Dugan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Dugan located?
- John Dugan's practice location on file with NPPES is 900 Morgan Ave, Corpus Christi, TX 78404-2028.
- What is John Dugan's phone number?
- The practice phone number listed in the NPPES registry for John Dugan is (361) 888-4288.
- Does John Dugan accept Medicare?
- John Dugan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dugan's NPI active?
- Yes — John Dugan's NPI (1356340574) is active in the NPPES registry as of the last update on 2022-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.