Physician Profile
Cesar A. Sierra, MD
Unclaimed ProfileAbout Dr. Sierra
Cesar A. Sierra, MD practices ophthalmology in Westport, CT. Cesar is a 1996 graduate of University Central del Caribe Escuela de Medicina. According to Medicare claims data, Cesar cared for 674 Medicare patients across 4,806 services. The services billed most often include injection, onabotulinumtoxina, 1 unit, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and photography of content of eyes.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (203) 226-1696
- Email not available
Practice Locations
162 KINGS HWY N
Westport, CT 06880
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
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
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
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
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
4,806 services · 674 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Probing of nasal tear duct | Procedure | 68840 |
91 | More than most peers in Ophthalmology |
| Removal of growth of eyelid | Procedure | 67840 |
58 | More often than most peers in Ophthalmology |
| Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less | Procedure | 14060 |
56 | More than most peers in Ophthalmology |
| Injection of chemical for paralysis of nerve muscles on side of face | Procedure | 64612 |
38 | As often as other peers in Ophthalmology |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
38 | More often than most peers in Ophthalmology |
| Removal of up to 1/4 of eyelid margin and repair of eyelid | Procedure | 67961 |
32 | More often than most peers in Ophthalmology |
| Suture repair of turning-outward upper or lower eyelid defect | Procedure | 67914 |
21 | |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
21 | As often as other peers in Ophthalmology |
| Removal of noncancer skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | Procedure | 11441 |
19 | |
| Photography of content of eyes | Treatment | 92285 |
132 | More often 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.
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 eye doctors in Westport 8
Same specialty, same city.
Trained at University Central del Caribe Escuela de Medicina 8
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1996 at University Central del Caribe Escuela de Medicina 8
Providers who graduated from the same medical school in the same year.
Also performs Probing of nasal tear duct 5
Providers in CT who bill this service to Medicare most often.
Common questions
What does Dr. Sierra specialize in?
Dr. Sierra is an eye doctor in Westport, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Sierra located?
Dr. Sierra is listed at 162 Kings Hwy N, Westport, CT 06880. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sierra's phone number?
The number on file is (203) 226-1696. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sierra's NPI number?
Dr. Sierra's National Provider Identifier is 1902997240. 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. Sierra go to medical school?
Dr. Sierra attended University Central del Caribe Escuela de Medicina, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sierra been practicing?
Dr. Sierra has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sierra do most often?
According to Medicare billing data, Dr. Sierra performs procedures including probing of nasal tear duct, removal of growth of eyelid and repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less; provides treatments such as photography of content of eyes and exam of visual field with limited testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sierra confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sierra. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.