DR. HOSSEIN MAHBOUBI (M.D., M.P.H.) – Otology & Neurotology Physician, NPI 1114347804
Otology & Neurotology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,365 OTOLARYNGOLOGY in CA
Provider Addresses for DR. HOSSEIN MAHBOUBI (M.D., M.P.H.)
101 THE CITY DR S
BUILDING 56, SUITE 500
ORANGE, CA 928683201
Phone: (714) 456-5853
Fax: (714) 456-5747
Type: Mailing
1245 WILSHIRE BLVD STE 480
LOS ANGELES, CA 900175809
Phone: (213) 483-9930
Fax: (562) 967-2363
Type: Mailing
11480 BROOKSHIRE AVE STE #300
DOWNEY, CA 902415023
Phone: (562) 904-4485
Fax: (562) 904-4486
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-09-16
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 |
|---|---|---|---|---|
| I20210916002437 | I | Otolaryngology | 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 |
|---|---|---|---|---|
| 92504 | Exam of ear using a microscope | 156 | 113 | $0 |
| 69210 | Removal of impacted ear wax | 131 | 102 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 128 | 89 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 93 | 65 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $0 |
Insurance plans in this area (ZIP 92868)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| A N E S T H E S I O L O G Y | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Endocrinology, Internal Medicine | CA | |
| - | CA | |
| - | MI | |
| D E R M A T O L O G Y | CA | |
| - | CA |
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