Physician Profile
Based in Cambridge, MA, Charles A. Barsam, M.D. is listed in the NPI registry under ophthalmology. Charles is also listed as specializing in internal medicine. Medicare claims data shows Charles provided 3,331 services to 2,193 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
725 CONCORD AVE SUITE 4100
Cambridge, MA 02138
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
Most searched procedures
3,331 services · 2,193 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
128 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
114 |
| Injection of drug into eye | Procedure | 67028 |
101 |
| Closure of tear duct opening using plug | Procedure | 68761 |
55 |
| Injection of medication into eye | Procedure | 66030 |
39 |
| Placement of amniotic membrane on eye surface for wound healing | Procedure | 65778 |
36 |
| Removal of excessive skin and fat of upper eyelid | Procedure | 15823 |
32 |
| Removal of multiple chronic growths of same eyelid | Procedure | 67801 |
22 |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
20 |
| Established patient complete exam of visual system | Treatment | 92014 |
854 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Barsam is an ophthalmology in Cambridge, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Dr. Barsam is listed at 725 CONCORD AVE SUITE 4100, Cambridge, MA 02138. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 864-8822. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Barsam's National Provider Identifier is 1760470041. 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. Barsam attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
Dr. Barsam has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Barsam performs procedures including removal of recurring cataract in lens capsule using a laser, removal of cataract with insertion of prosthetic lens and injection of drug into eye; provides treatments such as established patient complete exam of visual system and imaging of retina, 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. Barsam. 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.