Physician Profile
Peter T. Zacharia, MD practices ophthalmology in Worcester, MA. Peter is a 1988 graduate of New York Medical College. Medicare claims data shows Peter provided 3,313 services to 2,615 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, exam of visual field with extended testing, and imaging of optic nerve.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
33 LANCASTER ST
Worcester, MA 01609
281 Lincoln Street
Worcester, MA 01605
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
3,313 services · 2,615 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
50 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
24 | Less 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 |
21 | Less often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
12 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
35 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
455 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
430 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
414 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
219 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
112 | As often as other peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Zacharia is an eye doctor in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Zacharia is listed at 33 Lancaster St, Worcester, MA 01609. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 791-8484. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Zacharia's National Provider Identifier is 1689666745. 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
Dr. Zacharia attended New York Medical College, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Dr. Zacharia has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Zacharia performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zacharia. 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.