DR. MARK D BARSAMIAN (DO) – Ophthalmology Physician, NPI 1821204207
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for DR. MARK D BARSAMIAN (DO)
54 HOPEDALE ST STE 1
HOPEDALE, MA 017471732
Phone: (774) 396-6905
Fax: (810) 202-7533
Type: Location
UMass Memorial Medical Center - Hahnemann Campus, 281, Lincoln Street, Washburn and Moen North Works Historic District, Brittan Square, Worcester, Worcester County, Massachusetts, 01605, United States
DEPT OF OPHTHALMOLOGY
WORCESTER, MA 016052138
Phone: (508) 334-6855
Fax: (508) 334-7695
Type: Location
8, Nottingham Road, Westborough, Worcester County, Massachusetts, 01581, United States
WESTBOROUGH, MA 015812408
Phone: (248) 805-1013
Fax: (810) 202-7533
Type: Mailing
281 Lincoln St
Dept of Ophthalmology
Worcester, MA 016052138
Phone: (508) 334-6855
Fax: (508) 334-7695
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $345.
Total Amount is formed as General ($345) + Research ($0) + Ownership ($0) = $345.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: Mallinckrodt Hospital Products Inc. ($195).
Total Amount
$345
General + Research + Ownership
Payments
8
Total payment records
General Amount
$345
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mallinckrodt Hospital Products Inc. | $195 |
| Biogen, Inc. | $114 |
| ABBVIE INC. | $21 |
| Bausch & Lomb Americas Inc. | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-03-10
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100712000006 | I | Ophthalmology | MA | TBD |
| I20170310000448 | I | Ophthalmology | RI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92134 | Imaging of retina | 52 | 37 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $0 |
| 92201 | Extended exam of the back part of the eye with retinal drawing | 31 | 29 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 18 | 11 | $0 |
Insurance plans in this area (ZIP 01747)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MA | |
| - | MA | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | MA | |
| O P H T H A L M O L O G Y | NY | |
| O P H T H A L M O L O G Y | MA | |
| O P H T H A L M O L O G Y | MA | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | VA |
Reviews
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