NANCY ANN CHANG (DO) – Family Medicine Physician, NPI 1710241559
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
13,190 FAMILY PRACTICE in CA
Provider Addresses for NANCY ANN CHANG (DO)
PO BOX 3158
PORTLAND, OR 972083158
Phone:
Type: Mailing
10790 RANCHO BERNARDO RD
SAN DIEGO, CA 921275705
Phone: (760) 901-5010
Type: Mailing
4318 MISSION AVE
OCEANSIDE, CA 920576541
Phone: (760) 901-5010
Type: Location
18040 SW LOWER BOONES FERRY RD STE 304
TIGARD, OR 972247258
Phone: (503) 216-0700
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: 2026-02-25
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 |
|---|---|---|---|---|
| I20171108003004 | I | Family Practice | OR | TBD |
| I20260225001864 | 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 | 140 | 81 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 54 | 54 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 37 | 31 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 22 | 12 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 22 | 16 | $0 |
Insurance plans in this area (ZIP 97208)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| - | CA |
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