Doctor profile · Federal record

Dr. Robert Mack, M.D. P C

Ophthalmology Physician (CMS: Ophthalmology) · Specialist · Hoffman Estates, IL

  • NPI 1932107778
  • Accepts Medicare
  • MIPS 97.7 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1220 W Higgins RD, Ste 102
Hoffman Estates, IL 601694033
(847) 755-9393
fax (847) 755-1560

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 28, 2022
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (2)
Illinois #036090403 · Illinois #036-090403

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932107778. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,935
Distinct HCPCS
10
Medicare allowed
$721,224
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,206 408 $95
92134 Imaging of retina 530 321 $42
92014 Established patient complete exam of visual system 463 311 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 428 236 $135
92133 Imaging of optic nerve 277 198 $38
99212 Established patient office or other outpatient visit, 10-19 minutes 208 149 $60
92201 Extended exam of the back part of the eye with retinal drawing 174 71 $26
65778 Placement of amniotic membrane on eye surface for wound healing 163 69 $1,380
92025 Ct scan of cornea 154 116 $37
36415 Insertion of needle into vein for collection of blood sample 135 79 $8

In context: peer comparison

Among 3 peers in this city , average services per provider: 209. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 2 $47.78

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,060
Patients
1,514
Total drug cost
$648,613
Drug Type Claims Patients Total cost
Latanoprost Generic 870 184 $16,409
Timolol Maleate Generic 580 181 $10,709
Restasis (Cyclosporine) Brand 514 194 $491,320
Prednisolone Acetate Generic 455 257 $20,275
Ofloxacin Generic 346 192 $5,722
Brimonidine Tartrate Generic 302 109 $3,743
Acyclovir Generic 224 73 $8,495
Ketorolac Tromethamine Generic 204 124 $5,869
Dorzolamide Hcl Generic 130 37 $3,186
Cyclosporine Generic 122 50 $72,162

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Mack's medical specialty?
Dr. Robert Mack practices Ophthalmology Physician in Hoffman Estates, IL.
Where does Dr. Robert Mack practice?
Dr. Robert Mack practices at 1220 W Higgins RD, Hoffman Estates, IL 601694033. Office phone: 8477559393.
What is Dr. Robert Mack's NPI?
Dr. Robert Mack's National Provider Identifier (NPI) is 1932107778, issued by NPPES.
Does Dr. Robert Mack accept Medicare assignment?
Yes. Dr. Robert Mack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Mack commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.