Physician Profile
Unclaimed ProfileAbout MACK
Based in Hoffman Estates, IL, Robert J S Mack, M.D. P C is listed in the NPI registry under ophthalmology. Robert graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1989. Robert is also listed as specialising in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Mack's specialty?
Dr. Mack is an ophthalmology in Hoffman Estates, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Mack?
Dr. Mack is listed at 1220 W HIGGINS RD STE 102, Hoffman Estates, IL 60169. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mack?
The number on file is (847) 755-9393. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mack's NPI number?
Dr. Mack's National Provider Identifier is 1932107778. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Mack's medical education?
Dr. Mack attended Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mack been practising?
Dr. Mack has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mack known for?
According to Medicare billing data, Dr. Mack performs procedures including closure of tear duct opening using plug, placement of amniotic membrane on eye surface for wound healing and insertion of probe into nasal tear duct; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mack confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mack. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (847) 755-9393
- Email not available
Practice Locations
1220 W HIGGINS RD STE 102
Hoffman Estates, IL 60169
Procedures Most Often Billed to Medicare
5,017 services · 2,839 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Closure of tear duct opening using plug | Procedure | 68761 |
341 |
| Placement of amniotic membrane on eye surface for wound healing | Procedure | 65778 |
202 |
| Insertion of probe into nasal tear duct | Procedure | 68810 |
93 |
| Scraping of cornea for diagnosis | Procedure | 65430 |
65 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
62 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
56 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
50 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
95 |
| Imaging of retina | Treatment | 92134 |
515 |
| Established patient complete exam of visual system | Treatment | 92014 |
417 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other ophthalmology specialists in Hoffman Estates 3
Same specialty, same city.
Trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 8
Providers who graduated from the same medical school in the same year.
Also performs Closure of tear duct opening using plug 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.