DR. WILLIAM MARTIN CARRERA (M.D.) – Ophthalmology Physician, NPI 1679014013
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
Provider Addresses for DR. WILLIAM MARTIN CARRERA (M.D.)
3300 TELEGRAPH AVE
OAKLAND, CA 946093028
Phone: (510) 444-1600
Fax: (510) 444-5117
Type: Mailing
Wake Forest School of Medicine, 1, Medical Center Boulevard, Ardmore, Winston-Salem, Forsyth County, North Carolina, 27157, United States
MEDICAL CENTER BOULEVARD
WINSTON SALEM, NC 271570001
Phone: (336) 716-4305
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $1,621.
Total Amount is formed as General ($1,621) + Research ($0) + Ownership ($0) = $1,621.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Alcon Vision LLC ($579).
Total Amount
$1,621
General + Research + Ownership
Payments
18
Total payment records
General Amount
$1,621
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $579 |
| Genentech USA, Inc. | $328 |
| Regeneron Pharmaceuticals, Inc. | $310 |
| Apellis Pharmaceuticals, Inc. | $188 |
| ABBVIE INC. | $117 |
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: 2024-02-29
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 |
|---|---|---|---|---|
| I20220608001859 | I | Ophthalmology | MA | TBD |
| I20240229000499 | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 105 | 99 | $0 |
| 67042 | Removal of membrane of retina with removal of internal limiting membrane of retina | 44 | 44 | $0 |
| 67036 | Removal of eye fluid (vitreous) between lens and retina | 32 | 32 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 31 | 29 | $0 |
| 67113 | Complex repair of detached retina and drainage of eye fluid between lens and retina | 21 | 20 | $0 |
Insurance plans in this area (ZIP 94609)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA |
Reviews
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