MUHAMMAD HASSAN (MD) – Ophthalmology Physician, NPI 1609437839
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
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Provider Addresses for MUHAMMAD HASSAN (MD)
2452 Watson Court, Watson Court, Palo Alto, Santa Clara County, California, 94303-3221, United States
PALO ALTO, CA 943033216
Phone: (650) 723-6995
Fax: (650) 725-6619
Type: Mailing
3783 INTERNATIONAL CT STE 390
SPRINGFIELD, OR 974771025
Phone: (541) 687-1927
Fax: (541) 683-8779
Type: Mailing
3783 INTERNATIONAL CT STE 290
SPRINGFIELD, OR 974771025
Phone: (541) 687-1927
Fax: (513) 984-4240
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 49 Open Payments records for all available years, with a total value of $5,621.
Total Amount is formed as General ($5,621) + Research ($0) + Ownership ($0) = $5,621.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Alcon Vision LLC ($2,045).
Total Amount
$5,621
General + Research + Ownership
Payments
49
Total payment records
General Amount
$5,621
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $2,045 |
| EyePoint Pharmaceuticals US, Inc. | $1,267 |
| Alimera Sciences, Inc. | $807 |
| Dutch Ophthalmic, USA | $321 |
| Regeneron Healthcare Solutions, Inc. | $149 |
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: 2025-09-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20230508000265 | I | Ophthalmology | OH | TBD |
| I20230515000610 | I | Ophthalmology | KY | TBD |
| I20250908003955 | I | Ophthalmology | OR | 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 | 56 | 54 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 34 | 31 | $0 |
| 67028 | Injection of drug into eye | 28 | 26 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 24 | 24 | $0 |
| J3590 | Unclassified biologics | 22 | 17 | $0 |
Insurance plans in this area (ZIP 94303)
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Group practice members
| Name | Specialty | State |
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| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
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| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | TX |
Reviews
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