Doctor profile · Federal record

Dr. Mary Dougal, MD

Ophthalmology Physician (CMS: Ophthalmology) · Niles, IL

  • NPI 1740358886
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 48 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7421 N Milwaukee Ave
Niles, IL 607143707
(773) 775-0811
fax (773) 819-7013

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 24, 2023
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #036059569
Medicaid
IL #036059569

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740358886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,005
Distinct HCPCS
9
Medicare allowed
$96,110
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 485 479 $130
92012 Established patient problem focused exam of visual system 144 98 $92
92250 Photography of the retina 98 97 $38
92133 Imaging of optic nerve 82 82 $37
92134 Imaging of retina 63 58 $41
92083 Exam of visual field with extended testing 62 60 $64
99212 Established patient office or other outpatient visit, 10-19 minutes 35 30 $59
92004 New patient complete exam of visual system 21 21 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $95

In context: peer comparison

Among 5 peers in Niles Ophthalmology Physician, average services per provider: 198. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
434
Patients
135
Total drug cost
$44,713
Drug Type Claims Patients Total cost
Latanoprost Generic 194 48 $5,646
Timolol Maleate Generic 83 25 $7,579
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 62 20 $2,125
Lumigan (Bimatoprost) Brand 46 15 $28,649
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 35 27 $556
Erythromycin (Erythromycin Base) Brand 14 0 $158

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Dougal's medical specialty?
Dr. Mary Dougal practices Ophthalmology Physician in Niles, IL.
Where does Dr. Mary Dougal practice?
Dr. Mary Dougal practices at 7421 N Milwaukee Ave, Niles, IL 607143707. Office phone: 7737750811.
What is Dr. Mary Dougal's NPI?
Dr. Mary Dougal's National Provider Identifier (NPI) is 1740358886, issued by NPPES.
Does Dr. Mary Dougal accept Medicare assignment?
Yes. Dr. Mary Dougal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Dougal commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.