Charles Barsam, M.D.
NPI 1760470041 · Ophthalmology Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Barsam, M.D. is a Ophthalmology Physician provider in Cambridge, MA (NPI 1760470041).
Provider details
- NPI number
- 1760470041
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 221205 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,861 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 854 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 314 | $104 |
| Imaging of Retina92134 | 225 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 195 | $147 |
| Imaging of Optic Nerve92133 | 140 | $42 |
| Photography of the Retina92250 | 140 | $43 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 507 | 329 |
| Ketorolac Tromethamine | 269 | 159 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 234 | 165 |
| Latanoprost | 210 | 62 |
| Ofloxacin | 175 | 144 |
| Brimonidine Tartrate | 64 | 22 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 50 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$792 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2020-09-02
- Certified
- 2020-09-02
Frequently asked questions
- What is Charles Barsam's NPI number?
- Charles Barsam's National Provider Identifier (NPI) is 1760470041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Barsam's specialty?
- Charles Barsam is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Barsam located?
- Charles Barsam's practice location on file with NPPES is 725 Concord Ave, Cambridge, MA 02138-1040.
- What is Charles Barsam's phone number?
- The practice phone number listed in the NPPES registry for Charles Barsam is (617) 864-8822.
- Does Charles Barsam accept Medicare?
- Charles Barsam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Barsam's NPI active?
- Yes — Charles Barsam's NPI (1760470041) is active in the NPPES registry as of the last update on 2020-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.