Doctor profile · Federal record
Dr. Mark Barsamian, DO
Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Retina Specialist (Ophthalmology) Physician · Hopedale, MA
- NPI 1821204207
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
54 Hopedale St Ste 1
Hopedale, MA 017471732
(774) 396-6905
fax (810) 202-7533 - Additional location
-
281 Lincoln St, Dept of Ophthalmology
Worcester, MA 016052138
(508) 334-6855
fax (508) 334-7695 - Mailing address
-
8 Nottingham RD
Westborough, MA 015812408
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- January 29, 2026
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207WX0107X — NUCC code
- State licenses (2)
- Massachusetts #243559 · Rhode Island #DO00851
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821204207. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
148
Distinct HCPCS
4
Medicare allowed
$13,219
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92134 |
Imaging of retina | 52 | 37 | $41 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $169 | |
92201 |
Extended exam of the back part of the eye with retinal drawing | 31 | 29 | $25 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 11 | $130 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 37. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$181
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Biogen, Inc. | 2 | $113.54 | |
| Mallinckrodt Hospital Products Inc. | 1 | $30.24 | |
| ABBVIE INC. | 1 | $21.42 | |
| Bausch & Lomb Americas Inc. | 1 | $15.77 |
By nature of payment
Frequently asked questions
What is Dr. Mark Barsamian's medical specialty?
Dr. Mark Barsamian practices Retina Specialist (Ophthalmology) Physician in Hopedale, MA.
Where does Dr. Mark Barsamian practice?
Dr. Mark Barsamian practices at 54 Hopedale St Ste 1, Hopedale, MA 017471732. Office phone: 7743966905.
What is Dr. Mark Barsamian's NPI?
Dr. Mark Barsamian's National Provider Identifier (NPI) is 1821204207, issued by NPPES.
Does Dr. Mark Barsamian accept Medicare assignment?
Yes. Dr. Mark Barsamian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Barsamian commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); New patient office or other outpatient visit (HCPCS 99204); Extended exam of the back part of the eye with retinal drawing (HCPCS 92201). Source: CMS Medicare Physician & Other Practitioners file.