CYNTHIA W CHAO (DO A PROFESSIONAL CO) – Obstetrics & Gynecology Physician, NPI 1720077274
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
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Provider Addresses for CYNTHIA W CHAO (DO A PROFESSIONAL CO)
1703, Termino Avenue, Long Beach, Los Angeles County, California, 90804, United States
SUITE 203
LONG BEACH, CA 908042124
Phone: (562) 931-3137
Fax: (562) 961-3196
Type: Mailing
1540 W AVERILL PARK DR
SAN PEDRO, CA 907323924
Phone: (562) 208-6642
Type: Mailing
10861 CHERRY ST STE 109
LOS ALAMITOS, CA 907205400
Phone: (562) 931-3137
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $367.
Total Amount is formed as General ($367) + Research ($0) + Ownership ($0) = $367.
Last reported payment date: 2024-04-11 • Largest payer in this snapshot: GENZYME CORPORATION ($122).
Total Amount
$367
General + Research + Ownership
Payments
7
Total payment records
General Amount
$367
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $122 |
| MAYNE PHARMA COMMERCIAL LLC | $120 |
| Hologic Sales and Service, LLC | $50 |
| Minerva Surgical, Inc | $30 |
| Organon LLC | $26 |
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: 2010-12-07
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 |
|---|---|---|---|---|
| I20101207001216 | 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 90804)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Psychiatry, Geriatric Psychiatry | CA | |
| Nurse Practitioner | CA | |
| P O D I A T R Y | CA | |
| P S Y C H I A T R Y | CA | |
| Nurse Practitioner | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Family Practice | NY | |
| - | CA | |
| P S Y C H I A T R Y | CA |
Reviews
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