CISSY XI YANG (M.D.) – Ophthalmology Physician, NPI 1174977664
Ophthalmology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
Provider Addresses for CISSY XI YANG (M.D.)
1700 ALHAMBRA BLVD. SUITE 202
SACRAMENTO, CA 95816
Phone: (916) 731-8040
Fax: (916) 300-2899
Type: Mailing
208, 122nd Avenue Northeast, Crescent Ponds, Blaine, Anoka County, Minnesota, 55434, United States
BLAINE, MN 554342648
Phone:
Type: Mailing
106 Gift Gallery, 700, Lawrence Expressway, Santa Clara, Santa Clara County, California, 95014-0721, United States
SANTA CLARA, CA 950515173
Phone: (408) 851-3914
Type: Location
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: 2021-04-13
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 |
|---|---|---|---|---|
| I20210413002571 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 95816)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | WA | |
| - | CA | |
| O P T O M E T R Y | CA | |
| O P T O M E T R Y | AZ | |
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA | |
| Ophthalmology, Neurology | CA | |
| O P H T H A L M O L O G Y | IL | |
| O P T O M E T R Y | TX |
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