DR. PATRICIA YEE-LING CHANG (M.D.) – Family Medicine Physician, NPI 1003350984
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,190 FAMILY PRACTICE in CA
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Provider Addresses for DR. PATRICIA YEE-LING CHANG (M.D.)
5767, West Century Boulevard, Westchester, Los Angeles, Los Angeles County, California, 90045, United States
SUITE 400
LOS ANGELES, CA 900455631
Phone: (310) 301-8707
Fax: (310) 301-8751
Type: Mailing
Wilshire Boulevard, Brentwood, Santa Monica, Los Angeles County, California, 90025, United States
SUITE 300
SANTA MONICA, CA 904012061
Phone: (310) 395-5588
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $78.
Total Amount is formed as General ($78) + Research ($0) + Ownership ($0) = $78.
Last reported payment date: 2024-08-13 • Largest payer in this snapshot: ABBVIE INC. ($56).
Total Amount
$78
General + Research + Ownership
Payments
3
Total payment records
General Amount
$78
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $56 |
| HeartFlow, Inc. | $22 |
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: 2017-02-13
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 |
|---|---|---|---|---|
| I20170213000565 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 257 | 111 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 90 | 90 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 72 | 64 | $0 |
| G0008 | Administration of influenza virus vaccine | 31 | 31 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 27 | 18 | $0 |
Insurance plans in this area (ZIP 90045)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hospitalist | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Emergency Medicine, Family Practice | CA | |
| Medical Oncology, Hematology/Oncology | CA | |
| Hospitalist, Internal Medicine | MA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA |
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