DR. MARK HENDRIX (M.D.) – Ophthalmology Physician, NPI 1043219124
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
666 OPHTHALMOLOGY in MD
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Provider Addresses for DR. MARK HENDRIX (M.D.)
3204, Tower Oaks Boulevard, Potomac Springs, Rockville, Montgomery County, Maryland, 20852, United States
SUITE 300
ROCKVILLE, MD 208524250
Phone: (301) 231-5088
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $174.
Total Amount is formed as General ($174) + Research ($0) + Ownership ($0) = $174.
Last reported payment date: 2024-05-13 • Largest payer in this snapshot: Alcon Vision LLC ($116).
Total Amount
$174
General + Research + Ownership
Payments
4
Total payment records
General Amount
$174
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $116 |
| ABBVIE INC. | $45 |
| Oyster Point Pharma, Inc. | $13 |
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: 2011-12-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20111221000019 | I | Ophthalmology | DC | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 1,376 | 1,229 | $0 |
| 92012 | Established patient problem focused exam of visual system | 1,030 | 593 | $0 |
| 92083 | Exam of visual field with extended testing | 909 | 784 | $0 |
| 92133 | Imaging of optic nerve | 751 | 737 | $0 |
| 92020 | Exam of the internal drainage system of eye | 647 | 646 | $0 |
Insurance plans in this area (ZIP 20852)
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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 | MD | |
| - | MD | |
| O P T O M E T R Y | MD |
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