CEECCY YANG (M.D.) – Obstetrics & Gynecology Physician, NPI 1780767640
Obstetrics & Gynecology Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for CEECCY YANG (M.D.)
9961 SIERRA AVENUE
FONTANA, CA 92335
Phone: (909) 427-5539
Fax: (865) 246-4753
Type: Mailing
9961 SIERRA AVE
FONTANA, CA 923356720
Phone: (909) 427-5539
Fax: (865) 246-4753
Type: Mailing
10031, Sherrill Boulevard, Ashley Oaks, Knoxville, Knox County, Tennessee, 37932, United States
KNOXVILLE, TN 379323336
Phone: (865) 540-1650
Fax: (865) 246-4753
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $74.
Total Amount is formed as General ($74) + Research ($0) + Ownership ($0) = $74.
Last reported payment date: 2023-04-13 • Largest payer in this snapshot: Aspira Women's Health Inc ($60).
Total Amount
$74
General + Research + Ownership
Payments
2
Total payment records
General Amount
$74
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Aspira Women's Health Inc | $60 |
| Amgen Inc. | $14 |
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: 2023-01-06
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 |
|---|---|---|---|---|
| I20230106002520 | I | Obstetrics/Gynecology | 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 92335)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | TN | 76830 | Ultrasound pelvis through vagina | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | OH | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Gastroenterology | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | NC | |
| O P H T H A L M O L O G Y | CA | |
| Anesthesiology, Pain Management | NH | |
| Family Practice, Sports Medicine | CA |
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