Mary Dougal, MD
NPI 1740358886 · Ophthalmology Physician · Niles, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Dougal, MD is a Ophthalmology Physician provider in Niles, IL (NPI 1740358886).
Provider details
- NPI number
- 1740358886
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036059569 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,068 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 438 | $126 |
| Photography of the Retina92250 | 147 | $37 |
| Established Patient Problem Focused Exam of Visual System92012 | 142 | $90 |
| Imaging of Retina92134 | 84 | $41 |
| Imaging of Optic Nerve92133 | 82 | $36 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 74 | $58 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 186 | 49 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 72 | 20 |
| Timolol Maleate | 64 | 20 |
| Bimatoprostbrand: Lumigan | 54 | 16 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 43 | 37 |
| Erythromycin Basebrand: Erythromycin | 16 | — |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Mary Dougal's NPI number?
- Mary Dougal's National Provider Identifier (NPI) is 1740358886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Dougal's specialty?
- Mary Dougal is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Dougal located?
- Mary Dougal's practice location on file with NPPES is 7421 N Milwaukee Ave, Niles, IL 60714-3707.
- What is Mary Dougal's phone number?
- The practice phone number listed in the NPPES registry for Mary Dougal is (773) 775-0811.
- Does Mary Dougal accept Medicare?
- Mary Dougal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Dougal's NPI active?
- Yes — Mary Dougal's NPI (1740358886) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.