DR. BENJAMIN HANBOK NA (O.D.) – Optometrist, NPI 1063454130
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,935 OPTOMETRY in CA
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Provider Addresses for DR. BENJAMIN HANBOK NA (O.D.)
Dos Coyotes Border Cafe, 3191, Crow Canyon Place, Crow Canyon Commons, San Ramon, Contra Costa County, California, 94583, United States
SUITE C
SAN RAMON, CA 945831349
Phone: (925) 244-1400
Fax: (925) 244-1414
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)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2006-08-22
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20060822000324 | I | Optometry | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 30 | $0 |
| 92014 | Established patient complete exam of visual system | 45 | 45 | $0 |
| 92250 | Photography of the retina | 20 | 20 | $0 |
| 92083 | Exam of visual field with extended testing | 16 | 12 | $0 |
Insurance plans in this area (ZIP 94583)
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