MR. MIKE CHAMMOUT (FNP-C) – Family Nurse Practitioner, NPI 1447790043
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,360 NURSE PRACTITIONER in CA
Provider Addresses for MR. MIKE CHAMMOUT (FNP-C)
21021 ERWIN ST
WOODLAND HILLS, CA 913673828
Phone: (313) 525-6575
Type: Mailing
22950 VANOWEN ST
WEST HILLS, CA 913072500
Phone: (818) 887-2782
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $746.
Total Amount is formed as General ($746) + Research ($0) + Ownership ($0) = $746.
Last reported payment date: 2024-10-15 • Largest payer in this snapshot: ABBVIE INC. ($557).
Total Amount
$746
General + Research + Ownership
Payments
24
Total payment records
General Amount
$746
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $557 |
| REVANCE THERAPEUTICS, INC. | $189 |
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: 2025-11-26
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 |
|---|---|---|---|---|
| I20200714001612 | I | Nurse Practitioner | CA | TBD |
| I20251126004052 | I | Nurse Practitioner | AZ | 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 | 158 | 140 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 142 | 17 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 81 | 81 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 64 | 62 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 62 | 31 | $0 |
Insurance plans in this area (ZIP 91367)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WA | |
| Emergency Medicine, Internal Medicine | CA | |
| Family Practice, General Practice | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | OH | |
| Physician Assistant | CA |
Reviews
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