Doctor profile · Federal record

Dr. William Dieck, MD

Ophthalmology Physician · Mount Kisco, NY

  • NPI 1316051360
  • MIPS 91.6 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
185 Kisco Ave Ste 500
Mount Kisco, NY 105491409
(914) 666-4939
fax (914) 242-7209

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 8, 2016
Specialty taxonomy
207W00000X — NUCC code
State license (1)
New York #160917

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316051360. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,851
Distinct HCPCS
10
Medicare allowed
$339,268
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,015 974 $146
92012 Established patient problem focused exam of visual system 521 281 $105
92133 Imaging of optic nerve 444 247 $41
92083 Exam of visual field with extended testing 208 201 $74
92134 Imaging of retina 146 144 $47
92020 Exam of the internal drainage system of eye 136 136 $32
92004 New patient complete exam of visual system 135 135 $171
66984 Removal of cataract with insertion of prosthetic lens 69 47 $623
66821 Removal of recurring cataract in lens capsule using a laser 47 38 $392
92136 Measurement of corneal curvature and depth of eye 41 41 $55

In context: peer comparison

Among 5 peers in this city , average services per provider: 163. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,168
Patients
843
Total drug cost
$276,885
Drug Type Claims Patients Total cost
Latanoprost Generic 681 162 $14,715
Ketorolac Tromethamine Generic 230 125 $4,605
Prednisolone Acetate Generic 220 135 $6,678
Timolol Maleate Generic 167 38 $8,051
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 153 127 $2,048
Lumigan (Bimatoprost) Brand 112 28 $55,928
Simbrinza (Brinzolamide/Brimonidine Tart) Brand 106 28 $29,550
Moxifloxacin (Moxifloxacin Hcl) Brand 104 69 $3,435
Restasis (Cyclosporine) Brand 88 33 $99,522
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 80 14 $1,539

Frequently asked questions

Auto-generated from federal data
What is Dr. William Dieck's medical specialty?
Dr. William Dieck practices Ophthalmology Physician in Mount Kisco, NY.
Where does Dr. William Dieck practice?
Dr. William Dieck practices at 185 Kisco Ave Ste 500, Mount Kisco, NY 105491409. Office phone: 9146664939.
What is Dr. William Dieck's NPI?
Dr. William Dieck's National Provider Identifier (NPI) is 1316051360, issued by NPPES.
What procedures does Dr. William Dieck 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); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.