DR. PHYLLIS JACQUELYN YANG (M.D.) – Diagnostic Radiology Physician, NPI 1992843916
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for DR. PHYLLIS JACQUELYN YANG (M.D.)
PO BOX 3453
FREMONT, CA 945390345
Phone: (408) 263-5982
Fax: (408) 263-5982
Type: Mailing
20670 CARNIEL AVE
SARATOGA, CA 950703735
Phone: (408) 334-5528
Type: Mailing
Cafe Salute, 875, Blake Wilbur Drive, Stanford, Palo Alto, Santa Clara County, California, 94305-6015, United States
#2234
STANFORD, CA 943055826
Phone: (650) 723-8462
Fax: (650) 736-7562
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: 2007-08-27
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 |
|---|---|---|---|---|
| I20070827000676 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 77067 | Screening mammography | 494 | 490 | $0 |
| 77063 | Screening 3d breast mammography | 460 | 457 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 162 | 160 | $0 |
| G0279 | Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 66 | 65 | $0 |
| 76642 | Limited ultrasound scan of 1 breast | 48 | 48 | $0 |
Insurance plans in this area (ZIP 94539)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MO | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | CA | |
| - | CA | |
| Diagnostic Radiology, Nuclear Medicine, Interventional Radiology | CO | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | NY | |
| Diagnostic Radiology | NY | |
| Diagnostic Radiology | CA |
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