CECILIA TSANG KAESLER (DO) – Internal Medicine Physician, NPI 1326092891
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,558 INTERNAL MEDICINE in CA
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Provider Addresses for CECILIA TSANG KAESLER (DO)
1113, Foothill Boulevard, La Cañada Flintridge, Los Angeles County, California, 91011, United States
SUITE A
LA CANADA, CA 910113207
Phone: (818) 790-0357
Fax: (818) 952-5375
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 68 Open Payments records for all available years, with a total value of $1,758.
Total Amount is formed as General ($1,758) + Research ($0) + Ownership ($0) = $1,758.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: ABBVIE INC. ($578).
Total Amount
$1,758
General + Research + Ownership
Payments
68
Total payment records
General Amount
$1,758
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $578 |
| Amgen Inc. | $416 |
| Lilly USA, LLC | $220 |
| Takeda Pharmaceuticals U.S.A., Inc. | $128 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $104 |
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: 2010-08-26
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20100826000636 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 3,600 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 384 | 156 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 297 | 167 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 285 | 76 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 228 | 110 | $0 |
Insurance plans in this area (ZIP 91011)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology, Anesthesiology, Interventional Pain Management, Pain Management | CA | |
| Physician Assistant | TN | |
| Orthopedic Surgery | AZ | |
| Orthopedic Surgery, Sports Medicine | NV | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Family Practice | AZ | |
| P O D I A T R Y | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ |
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