DARREN MAEHARA (M.D.) – Pulmonary Disease Physician, NPI 1700145265
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,780 PULMONARY DISEASE in CA
Provider Addresses for DARREN MAEHARA (M.D.)
1200 N State St
CT-A7D
Los Angeles, CA 900331029
Phone: (323) 226-7556
Fax: (323) 226-2657
Type: Location
1910 OUTLET CENTER DR
OXNARD, CA 930360677
Phone: (805) 485-2400
Fax: (805) 485-2455
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 29 Open Payments records for all available years, with a total value of $12,183.
Total Amount is formed as General ($12,183) + Research ($0) + Ownership ($0) = $12,183.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($11,847).
Total Amount
$12,183
General + Research + Ownership
Payments
29
Total payment records
General Amount
$12,183
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $11,847 |
| AstraZeneca Pharmaceuticals LP | $138 |
| INOGEN, INC. | $33 |
| Inspire Medical Systems, Inc. | $30 |
| Regeneron Healthcare Solutions, Inc. | $27 |
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: 2020-06-23
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 |
|---|---|---|---|---|
| I20180618003261 | I | Pulmonary Disease | CA | TBD |
| I20200623001985 | I | Internal Medicine | TX | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 526 | 219 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 504 | 176 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 299 | 153 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 157 | 150 | $0 |
| 99291 | Critical care, first 30-74 minutes | 114 | 73 | $0 |
Insurance plans in this area (ZIP 90033)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Pulmonary Disease, Critical Care (Intensivists) | UT | |
| Physician Assistant | CA | |
| - | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Critical Care (Intensivists), Pulmonary Disease | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| Pulmonary Disease, Internal Medicine | CA |
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