Are you Dr. Elyashiv? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Boston, MA, Sivan M. Elyashiv, MD is listed in the NPI registry under ophthalmology. According to Medicare claims data, Sivan cared for 178 Medicare patients across 179 services. The services billed most often include emergency department visit with low level of medical decision making, emergency department visit with moderate level of medical decision making, and emergency department visit with high level of medical decision making. NPI 1437529062 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
243 CHARLES ST
Boston, MA 02114
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
179 services · 178 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
116 | More than most peers in Ophthalmology |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
48 | More often than most peers in Ophthalmology |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
15 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Elyashiv is an eye doctor in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Elyashiv is listed at 243 Charles St, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 573-3431. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Elyashiv's National Provider Identifier is 1437529062. 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. Elyashiv attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Dr. Elyashiv has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Elyashiv the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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. Elyashiv. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.