Doctor profile · Federal record

Dr. Sivan Elyashiv, MD

Ophthalmology Physician (CMS: Ophthalmology) · Boston, MA

  • NPI 1437529062
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
243 Charles St
Boston, MA 021143096
(617) 573-3431

Credentials & registration

NPPES · NUCC
NPI registered
September 2015 — 11 yrs on file
Profile last updated
March 8, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #290961

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437529062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
3
Medicare allowed
$15,281
HCPCS Description Services Patients Avg allowed
99283 Emergency department visit with low level of medical decision making 109 108 $75
99284 Emergency department visit with moderate level of medical decision making 41 41 $126
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $138

In context: peer comparison

Among 89 peers in Boston Ophthalmology Physician, average services per provider: 193. This provider delivers 0.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sivan Elyashiv's medical specialty?
Dr. Sivan Elyashiv practices Ophthalmology Physician in Boston, MA.
Where does Dr. Sivan Elyashiv practice?
Dr. Sivan Elyashiv practices at 243 Charles St, Boston, MA 021143096. Office phone: 6175733431.
What is Dr. Sivan Elyashiv's NPI?
Dr. Sivan Elyashiv's National Provider Identifier (NPI) is 1437529062, issued by NPPES.
Does Dr. Sivan Elyashiv accept Medicare assignment?
Yes. Dr. Sivan Elyashiv accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sivan Elyashiv commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.