DR. STEPHEN MEFFERT (M.D.) – Ophthalmology Physician, NPI 1609879105
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
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Provider Addresses for DR. STEPHEN MEFFERT (M.D.)
3536 MENDOCINO AVE STE 380
SANTA ROSA, CA 954033612
Phone: (707) 575-5353
Fax: (707) 523-7733
Type: Mailing
Mendocino Avenue, Downtown Santa Rosa, Santa Rosa, Sonoma County, California, 95402, United States
STE 380
SANTA ROSA, CA 954033612
Phone: (707) 575-5353
Fax: (707) 523-7733
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $126.
Total Amount is formed as General ($126) + Research ($0) + Ownership ($0) = $126.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Alcon Vision LLC ($93).
Total Amount
$126
General + Research + Ownership
Payments
2
Total payment records
General Amount
$126
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $93 |
| Genentech USA, Inc. | $33 |
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: 2010-09-15
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 |
|---|---|---|---|---|
| I20100915000658 | I | Ophthalmology | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 18,660 | 55 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 3,312 | 270 | $0 |
| 92134 | Imaging of retina | 2,457 | 795 | $0 |
| 67028 | Injection of drug into eye | 1,666 | 334 | $0 |
| 92014 | Established patient complete exam of visual system | 426 | 397 | $0 |
Insurance plans in this area (ZIP 95403)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | CA | 92134 | Diagnostic imaging of retina | 2650 | 826 |
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