DR. CYNTHIA WILLIAMS (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1265485049
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
948 ENDOCRINOLOGY in CA
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Provider Addresses for DR. CYNTHIA WILLIAMS (M.D.)
23560, Madison Street, Walteria, Torrance, Los Angeles County, California, 90505, United States
SUITE 103
TORRANCE, CA 905054708
Phone: (310) 325-9200
Fax: (310) 325-9201
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $413.
Total Amount is formed as General ($413) + Research ($0) + Ownership ($0) = $413.
Last reported payment date: 2024-08-02 • Largest payer in this snapshot: Amgen Inc. ($125).
Total Amount
$413
General + Research + Ownership
Payments
14
Total payment records
General Amount
$413
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-02
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2006-10-16
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 |
|---|---|---|---|---|
| I20061016000301 | I | Endocrinology | 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 | 648 | 231 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 625 | 244 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 520 | 220 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 431 | 179 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 419 | 186 | $0 |
Insurance plans in this area (ZIP 90505)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA |
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