KUN XIAO (MD MPH) – Hematology & Oncology Physician, NPI 1710326889
Hematology & Oncology Physician
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for KUN XIAO (MD MPH)
20130 Lake Chabot Rd Ste 307
Castro Valley, CA 945465340
Phone: (510) 204-8383
Fax: (510) 506-7729
Type: Location
3301 W FOREST HOME AVE
MILWAUKEE, WI 532152843
Phone: (414) 389-2338
Fax: (414) 385-8987
Type: Mailing
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
1222 N 23RD ST
SHEBOYGAN, WI 530813171
Phone: (920) 457-6800
Fax: (920) 459-1423
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: 2026-01-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20190624000718 | I | Hematology/Oncology | WI | TBD |
| I20260114001185 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 382 | 112 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 281 | 173 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 56 | 56 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 30 | 29 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 13 | $0 |
Insurance plans in this area (ZIP 94546)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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