Dr. Mark D. Barsamian, DO
- Medicare services, 2024
- 635
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 34
- Industry payments
- $490
- Affiliated sites
- 4
- Practice address
- 51 State Road, North Dartmouth, MA 02747
- Practice phone
- Call (508) 997-1271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greater NewBedford Surgicenter
Surgery Center - Medicare-Certified · North Dartmouth, Massachusetts
Find Dr. Barsamian'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. Mark D. Barsamian is a retina specialist (ophthalmology) physician in North Dartmouth, Massachusetts
Dr. Barsamian practices at Greater NewBedford Surgicenter in North Dartmouth, Massachusetts.
Dr. Barsamian's NPI, 1821204207, was assigned on May 15, 2007. Dr. Barsamian holds Rhode Island license DO00851.
- NPI
- 1821204207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375638265
- NPI enumeration date
- May 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 997-1271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark D. Barsamian practices at Greater NewBedford Surgicenter in North Dartmouth, Massachusetts
Dr. Barsamian's primary practice is Greater NewBedford Surgicenter, at 51 State Road, North Dartmouth, MA 02747. The practice phone is (508) 997-1271.
- Greater NewBedford Surgicenter51 State Road, North Dartmouth, MA 02747Phone(508) 997-1271
Source: Dmand AI Affiliation Data
Dr. Mark D. Barsamian is affiliated with 4 sites of care and 4 medical groups
Dr. Barsamian's primary practice is Greater NewBedford Surgicenter in North Dartmouth, Massachusetts. The medical group on file is Brown Health Medical Group. Dmand AI also links Dr. Barsamian to 3 more medical groups, 2 group practices and clinics and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark D. Barsamian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barsamian practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater NewBedford Surgicenter | 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. Mark D. Barsamian is one of 26 retina specialist (ophthalmology) physicians in Massachusetts
Retina specialist is Dr. Barsamian's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dmand AI has Dr. Barsamian's licenses on file in 3 states: Rhode Island, Illinois and Massachusetts.
Specialties and state licenses
- Retina specialist (ophthalmology), Rhode IslandPrimary
- Illinois license
- Ophthalmology, Massachusetts
Retina specialist (ophthalmology) physicians near Dr. Barsamian
Counts of retina specialist (ophthalmology) physicians 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. Mark D. Barsamian billed Medicare for 635 services in 2024
CMS data shows 635 Medicare services from Dr. Barsamian across 7 procedure codes in 2024, for 158 Medicare patients. Medicare paid $35,134 for them. Every service was in an office.
Dr. Barsamian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 832024: 399381%
- Office and hospital visits
- 2023: 652024: 206217%
- Surgery
- 2023: 02024: 30
Dr. Barsamian compared with the Massachusetts median for retina specialist (ophthalmology) physicians, 2024
- Dr. Barsamian
- Massachusetts median
- Medicare services
- 635vs 13,76195% below
- Medicare patients
- 158vs 98384% below
- Part D claims
- 45vs 23481% below
Medians across 25 retina specialist (ophthalmology) physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Barsamian'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.
Need commercial claims for Dr. Barsamian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barsamian and other retina specialist (ophthalmology) physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark D. Barsamian treated 158 Medicare patients in 2024, average age 78
CMS counts 158 Medicare patients who saw Dr. Barsamian in 2024. The largest group is 75 to 84, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Barsamian's median patient age at 72, with 55% women.
Dr. Barsamian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Barsamian's Medicare patients by sex, 2024
- Women9761%
- Men6139%
Chronic conditions among Dr. Barsamian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes36%
- Chronic kidney disease28%
- Atrial fibrillation27%
- Ischemic heart disease27%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barsamian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark D. Barsamian wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Barsamian wrote 34 Medicare Part D claims for 11 patients. 68% of them were for generic drugs. They cover 2 drugs, with $2,753 in total drug cost. In 2017, CMS named 78 claims across 1 drug.
Dr. Barsamian's Part D claims by kind of drug, 2024
- Generic23 claims68%
- Brand-name11 claims32%
Dr. Barsamian's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 782019: 4542%
Drugs named by CMS: 2 in 2019, 1 in 2017.
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
How Dr. Mark D. Barsamian takes part in Medicare
Dr. Barsamian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark D. Barsamian received $490 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Barsamian from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 80% of the total. Mallinckrodt Hospital Products Inc. paid the most, $195.
General payments to Dr. Barsamian by program year, 2018 to 2025
General payments to Dr. Barsamian by kind, 2018 to 2025
- Food and beverage$39080%
- Education$10020%
Companies that paid Dr. Barsamian the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark D. Barsamian's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark D. Barsamian
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. Mark D. Barsamian's NPI number?
Dr. Mark D. Barsamian's NPI number is 1821204207. It was assigned on May 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark D. Barsamian?
Dr. Mark D. Barsamian is a retina specialist (ophthalmology) physician in North Dartmouth, Massachusetts. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Mark D. Barsamian practice?
Dr. Barsamian practices at 51 State Road, North Dartmouth, MA 02747. Dr. Barsamian's primary practice is Greater NewBedford Surgicenter in North Dartmouth, Massachusetts. Dmand AI also links Dr. Barsamian to 3 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. Mark D. Barsamian's office phone number?
The practice phone on file for Dr. Barsamian is (508) 997-1271.
What is Dr. Mark D. Barsamian's medical license number?
Dr. Barsamian holds Rhode Island license DO00851, one of the licenses on file in 3 states.
Which states has Dr. Mark D. Barsamian been licensed in?
Dmand AI has state licenses on file for Dr. Barsamian in Rhode Island, Illinois and Massachusetts.
What medical group is Dr. Mark D. Barsamian part of?
Dr. Barsamian is linked to Brown Health Medical Group. Dmand AI links Dr. Barsamian to 3 more medical groups.
Does Dr. Mark D. Barsamian accept Medicare?
Yes. CMS data shows Dr. Barsamian billed Medicare for 635 services in 2024, and Dr. Barsamian accepts Medicare assignment.
How many Medicare patients does Dr. Mark D. Barsamian see?
CMS counts 158 Medicare patients who saw Dr. Barsamian in 2024, with an average age of 78.
What services does Dr. Mark D. Barsamian bill to Medicare?
In 2024, Dr. Barsamian's most billed Medicare services were eye exam or test (92134), office visit, established patient (99214) and eye exam or test (92201).
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What drugs does Dr. Mark D. Barsamian prescribe most?
In 2019 Medicare Part D data, Dr. Barsamian's most prescribed drugs by claims were Prednisolone Acetate and Brimonidine Tartrate.
Has Dr. Mark D. Barsamian received payments from drug or device companies?
CMS Open Payments shows $490 in general payments to Dr. Barsamian from 6 companies from 2018 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Mark D. Barsamian been practicing?
Dr. Barsamian graduated from medical school in 2003, 23 years ago.
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