DR. WISAM S NAJI (MD) – Pulmonary Disease Physician, NPI 1407119738
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,558 INTERNAL MEDICINE in CA
Provider Addresses for DR. WISAM S NAJI (MD)
23803 MCBEAN PKWY #202
VALENCIA, CA 913552302
Phone: (661) 481-2400
Fax: (661) 579-8461
Type: Location
PO BOX 9602
MISSION HILLS, CA 913469602
Phone: (818) 837-5559
Fax: (818) 792-4793
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $8,177.
Total Amount is formed as General ($8,177) + Research ($0) + Ownership ($0) = $8,177.
Last reported payment date: 2024-08-21 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($7,923).
Total Amount
$8,177
General + Research + Ownership
Payments
11
Total payment records
General Amount
$8,177
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $7,923 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $234 |
| ERBE USA Inc | $20 |
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: 2017-11-13
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 |
|---|---|---|---|---|
| I20171113001612 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 276 | 131 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 104 | 37 | $0 |
| 99291 | Critical care, first 30-74 minutes | 80 | 29 | $0 |
| J7613 | Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg | 75 | 25 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 57 | 57 | $0 |
Insurance plans in this area (ZIP 91355)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Registered Dietitian Or Nutrition Professional | CA | |
| - | CA | |
| Emergency Medicine | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Physician Assistant | CA | |
| Family Practice | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.