DR. JOHN DAVID ZDRAL (MD) – Ophthalmology Physician, NPI 1801993944
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 DR. JOHN DAVID ZDRAL (MD)
West Bastanchury Road, Sunny Hills, Fullerton, Orange County, California, 92835, United States
STE #10
FULLERTON, CA 92835
Phone: (714) 879-7372
Fax: (714) 879-4304
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 10 Open Payments records for all available years, with a total value of $419.
Total Amount is formed as General ($419) + Research ($0) + Ownership ($0) = $419.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: Alcon Vision LLC ($186).
Total Amount
$419
General + Research + Ownership
Payments
10
Total payment records
General Amount
$419
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 |
|---|---|
| Alcon Vision LLC | $186 |
| ABBVIE INC. | $169 |
| RxSight Inc | $39 |
| Bausch & Lomb Americas Inc. | $25 |
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: 2004-03-18
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 |
|---|---|---|---|---|
| I20040318001480 | I | Ophthalmology | CA | 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 | 1,188 | 983 | $0 |
| 92012 | Established patient problem focused exam of visual system | 569 | 374 | $0 |
| 92250 | Photography of the retina | 546 | 502 | $0 |
| 92133 | Imaging of optic nerve | 287 | 248 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 245 | 168 | $0 |
Insurance plans in this area (ZIP 92835)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | CA | 92083 | Measurement of field of vision during daylight conditions | 273 | 252 |
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