MR. DAVID LEWIS MATHIS (MD) – Otolaryngology Physician, NPI 1275636698
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
54 OTOLARYNGOLOGY in NV
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Provider Addresses for MR. DAVID LEWIS MATHIS (MD)
9770, South McCarran Boulevard, Edgewater, West Reno, Reno, Washoe County, Nevada, 89523, United States
RENO, NV 89523
Phone: (775) 322-4589
Fax: (775) 322-3787
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 7 Open Payments records for all available years, with a total value of $194.
Total Amount is formed as General ($194) + Research ($0) + Ownership ($0) = $194.
Last reported payment date: 2024-08-28 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($167).
Total Amount
$194
General + Research + Ownership
Payments
7
Total payment records
General Amount
$194
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $167 |
| GENZYME CORPORATION | $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: 2005-09-29
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20050929001182 | I | Otolaryngology | NV | 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 |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 229 | 172 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 215 | 156 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 162 | 162 | $0 |
| 31575 | Diagnostic exam of voice box using a flexible endoscope | 106 | 84 | $0 |
| 92504 | Exam of ear using a microscope | 36 | 36 | $0 |
Insurance plans in this area (ZIP 89523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O T O L A R Y N G O L O G Y | NV | |
| O T O L A R Y N G O L O G Y | NY | |
| - | NV | |
| Qualified Audiologist | NV | |
| Qualified Audiologist | MA | |
| O T O L A R Y N G O L O G Y | NV | |
| Qualified Audiologist | NV |
Reviews
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