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Edit this profileAt a glance
- 999 Home Plz, Waterloo, IA 50701
About Dr. Mason
Based in Waterloo, IA, Benjamin L. Mason, M.D.. is listed in the NPI registry under ophthalmology. Benjamin graduated from University of Iowa, Rj & L Carver College of Medicine in 2001. Benjamin is also listed as specializing in ophthalmology — glaucoma. According to Medicare claims data, Benjamin cared for 4,429 Medicare patients across 6,287 services. The services billed most often include measurement of corneal curvature and depth of eye, removal of cataract with insertion of prosthetic lens, and established patient complete exam of visual system. NPI 1457301442 identifies this record in the national registry.
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
- (319) 287-5890
- Email not available
Practice Locations
999 HOME PLZ
Waterloo, IA 50701
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
- Epiretinal membrane
- Retinal detachment
Eye injuries
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
6,287 services · 4,429 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
1,104 | More than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
230 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
191 | More than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
62 | More often than most peers in Ophthalmology |
| Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye | Procedure | 66991 |
34 | More often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
67 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
1,204 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
800 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
597 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
502 | 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 25 related providers in 4 groups
Other eye doctors in Waterloo 3
Same specialty, same city.
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of Iowa, Rj & L Carver College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 7
Providers in IA who bill this service to Medicare most often.
Common questions
What does Benjamin L. Mason specialize in?
Benjamin L. Mason is an eye doctor in Waterloo, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Benjamin L. Mason located?
Benjamin L. Mason is listed at 999 Home Plz, Waterloo, IA 50701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Benjamin L. Mason's phone number?
The number on file is (319) 287-5890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Benjamin L. Mason's NPI number?
Benjamin L. Mason's National Provider Identifier is 1457301442. 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 Benjamin L. Mason train?
Benjamin L. Mason attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Benjamin L. Mason been practicing?
Benjamin L. Mason has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Benjamin L. Mason do most often?
According to Medicare billing data, Benjamin L. Mason performs procedures including removal of cataract with insertion of prosthetic lens, complex removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as measurement of corneal curvature and depth of eye 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 Benjamin L. Mason confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Benjamin L. Mason. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.