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Edit this profileAt a glance
- 23 Crossroads Dr Ste 310, Owings Mills, MD 21117
About Dr. Cassel
Gary H. Cassel, MD practices ophthalmology in Owings Mills, MD. Gary is a 1978 graduate of Jefferson Medical College of Thomas Jefferson University. According to Medicare claims data, Gary cared for 964 Medicare patients across 1,062 services. The services billed most often include established patient complete exam of visual system, established patient problem focused exam of visual system, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1124180880.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 581-1500
- Email not available
Practice Locations
23 CROSSROADS DR STE 310
Owings Mills, MD 21117
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,062 services · 964 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
31 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
451 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
225 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
106 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
37 | Less often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
20 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
16 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
15 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
161 | More than most peers in Ophthalmology |
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 eye doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other eye doctors in Owings Mills 6
Same specialty, same city.
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Jefferson Medical College of Thomas Jefferson University 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of recurring cataract in lens capsule using a laser 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Dr. Cassel's specialty?
Dr. Cassel is an eye doctor in Owings Mills, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Cassel?
Dr. Cassel is listed at 23 Crossroads Dr Ste 310, Owings Mills, MD 21117. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Cassel?
The number on file is (410) 581-1500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Cassel's NPI number?
Dr. Cassel's National Provider Identifier is 1124180880. 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. Cassel's medical education?
Dr. Cassel attended Jefferson Medical College of Thomas Jefferson University, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cassel been practicing?
Dr. Cassel has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Cassel known for?
According to Medicare billing data, Dr. Cassel performs procedures including removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and established patient problem focused 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. Cassel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cassel. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.