Physician Profile
Unclaimed ProfileAbout MARCUS
Craig H Marcus, M.D. is a healthcare provider in Bethpage, NY specializing in ophthalmology. Craig trained at R Franklin University of Med & Sci/Chicago Medical School, graduating in 1989. Medicare claims data shows Craig provided 4,526 services to 3,597 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (516) 731-4800
- Email not available
Practice Locations
4212 HEMPSTEAD TPKE
Bethpage, NY 11714
Procedures Most Often Billed to Medicare
4,526 services · 3,597 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
77 |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
59 |
| Dilation of fluid outflow drainage within eye | Procedure | 66174 |
24 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
21 |
| Incision to improve eye fluid flow | Procedure | 65820 |
18 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
38 |
| Exam of visual field with extended testing | Treatment | 92083 |
696 |
| Imaging of optic nerve | Treatment | 92133 |
517 |
| Photography of the retina | Treatment | 92250 |
335 |
| Established patient complete exam of visual system | Treatment | 92014 |
322 |
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.
Other ophthalmology specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 4
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 Bethpage 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Marcus specialize in?
Dr. Marcus is an ophthalmology in Bethpage, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Marcus located?
Dr. Marcus is listed at 4212 HEMPSTEAD TPKE, Bethpage, NY 11714. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marcus's phone number?
The number on file is (516) 731-4800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marcus?
Dr. Marcus's National Provider Identifier is 1386642247. 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
Where did Dr. Marcus go to medical school?
Dr. Marcus attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marcus have?
Dr. Marcus has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marcus do most often?
According to Medicare billing data, Dr. Marcus performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow and dilation of fluid outflow drainage within eye; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as exam of visual field with extended testing and imaging of optic nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marcus's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marcus. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.