Dr. Charles A. Barsam, MD
- Medicare services, 2024
- 3,371
- Medicare patients, 2024
- 920
- Part D claims, 2024
- 1,782
- MIPS score, 2024
- 83
- Industry payments
- $4,217
- Practice address
- 135 Beaver St, Waltham, MA 02452
- Practice phone
- Call (781) 245-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Suburban Eye Associates
Waltham, Massachusetts
Find Dr. Barsam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles A. Barsam is an ophthalmologist in Waltham, Massachusetts
Dr. Barsam practices at North Suburban Eye Associates in Waltham, Massachusetts.
Dr. Barsam's NPI, 1760470041, was assigned on October 11, 2005. Dr. Barsam holds Massachusetts license 221205.
- NPI
- 1760470041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688667900
- NPI enumeration date
- October 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 245-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles A. Barsam practices at North Suburban Eye Associates in Waltham, Massachusetts
Dr. Barsam's primary practice is North Suburban Eye Associates, at 135 Beaver St, Waltham, MA 02452 in Middlesex County. The practice phone is (781) 245-5200.
- North Suburban Eye Associates135 Beaver St, Waltham, MA 02452 · Middlesex CountyPhone(781) 245-5200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles A. Barsam is affiliated with 4 sites of care and 3 medical groups
Dr. Barsam's primary practice is North Suburban Eye Associates in Waltham, Massachusetts. Dmand AI also links Dr. Barsam to 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles A. Barsam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barsam practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Suburban Eye Associates | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles A. Barsam is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Barsam's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Barsam is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dr. Barsam
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charles A. Barsam billed Medicare for 3,371 services in 2024
CMS data shows 3,371 Medicare services from Dr. Barsam across 28 procedure codes in 2024, for 920 Medicare patients. Medicare paid $459,572 for them.
Dr. Barsam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,8422024: 1,7783%
- Surgery
- 2023: 4672024: 56220%
- Office and hospital visits
- 2023: 5182024: 5211%
- Drugs given in the office
- 2023: 4242024: 51020%
Where Dr. Barsam's Medicare services took place, 2024
- In an office3,21095%
- In a facility1615%
Dr. Barsam compared with the Massachusetts median for ophthalmologists, 2024
- Dr. Barsam
- Massachusetts median
- Medicare services
- 3,371vs 1,5982.1 times
- Medicare patients
- 920vs 59455% above
- Part D claims
- 1,664vs 5453.1 times
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Barsam's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles A. Barsam treated 920 Medicare patients in 2024, average age 76
CMS counts 920 Medicare patients who saw Dr. Barsam in 2024. The largest group is 65 to 74, with 379 patients. 72% of them have high cholesterol, and 67% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Barsam's median patient age at 69, with 58% women.
Dr. Barsam's Medicare patients by age, 2024
Dr. Barsam's Medicare patients by sex, 2024
- Women54759%
- Men37341%
Chronic conditions among Dr. Barsam's Medicare patients, 2024
- High cholesterol72%
- High blood pressure67%
- Arthritis43%
- Diabetes25%
- Anxiety23%
- Ischemic heart disease21%
- Chronic kidney disease20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barsam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles A. Barsam wrote 1,782 Medicare Part D claims in 2024
In 2024, Dr. Barsam wrote 1,782 Medicare Part D claims for 531 patients. 53% of them were for generic drugs. CMS names the drug for 1,664 of them, across 14 drugs with 11 or more claims each, at $80,914 in total drug cost. In 2023, CMS named 1,451 claims across 21 drugs.
Dr. Barsam's Part D claims by kind of drug, 2024
- Generic938 claims53%
- Brand-name844 claims47%
Dr. Barsam's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Barsam's Part D claims, 2024
- Antibiotics1%18 of 1,782 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4512024: 1,66415%
Drugs named by CMS: 14 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Charles A. Barsam scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Barsam for performance year 2024, reported as part of a group. Dr. Barsam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 271 procedures of cataract surgery by Dr. Barsam, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Barsam's MIPS scores, performance year 2024
- 83of 100Final score
- 74.4of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Barsam ranks in Medicare procedure volume
- Cataract surgery
- 88th percentile271 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles A. Barsam received $4,217 in industry payments from 2016 to 2025
CMS Open Payments shows 172 general payments to Dr. Barsam from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,431.
General payments to Dr. Barsam by program year, 2016 to 2025
General payments to Dr. Barsam by kind, 2016 to 2025
- Food and beverage$4,12598%
- Education$531%
- Entertainment$241%
- Honoraria$150%
Companies that paid Dr. Barsam the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charles A. Barsam's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles A. Barsam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Charles A. Barsam's NPI number?
Dr. Charles A. Barsam's NPI number is 1760470041. It was assigned on October 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles A. Barsam?
Dr. Charles A. Barsam is an ophthalmologist in Waltham, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Charles A. Barsam practice?
Dr. Barsam practices at 135 Beaver St, Waltham, MA 02452. Dr. Barsam's primary practice is North Suburban Eye Associates in Waltham, Massachusetts. Dmand AI also links Dr. Barsam to 3 group practices and clinics and 3 medical groups.
What is Dr. Charles A. Barsam's office phone number?
The practice phone on file for Dr. Barsam is (781) 245-5200.
What is Dr. Charles A. Barsam's medical license number?
Dr. Barsam holds Massachusetts license 221205.
Does Dr. Charles A. Barsam accept Medicare?
Yes. CMS data shows Dr. Barsam billed Medicare for 3,371 services in 2024, and Dr. Barsam accepts Medicare assignment.
What is Dr. Charles A. Barsam's MIPS score?
Dr. Barsam's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles A. Barsam see?
CMS counts 920 Medicare patients who saw Dr. Barsam in 2024, with an average age of 76.
What services does Dr. Charles A. Barsam bill to Medicare?
In 2024, Dr. Barsam's most billed Medicare services were eye exam or test (92014), injected or infused drug (J7351) and office visit, established patient (99213).
What drugs does Dr. Charles A. Barsam prescribe most?
In 2024 Medicare Part D data, Dr. Barsam's most prescribed drugs by claims were Prednisolone Acetate, Ketorolac Tromethamine and Neomycin-Polymyxin-Dexameth.
Has Dr. Charles A. Barsam received payments from drug or device companies?
CMS Open Payments shows $4,217 in general payments to Dr. Barsam from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Charles A. Barsam been practicing?
Dr. Barsam graduated from medical school in 1999, 27 years ago.
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