DR. WILLIAM H BARTLETT (MD) – Ophthalmology Physician, NPI 1881680171
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. WILLIAM H BARTLETT (MD)
380, Tesconi Court, Santa Rosa, Sonoma County, California, 95401, United States
SANTA ROSA, CA 954014653
Phone: (707) 544-3375
Fax: (707) 544-0808
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 8 Open Payments records for all available years, with a total value of $206.
Total Amount is formed as General ($206) + Research ($0) + Ownership ($0) = $206.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Oyster Point Pharma, Inc. ($106).
Total Amount
$206
General + Research + Ownership
Payments
8
Total payment records
General Amount
$206
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Oyster Point Pharma, Inc. | $106 |
| Amgen Inc. | $31 |
| Novartis Pharmaceuticals Corporation | $26 |
| Thea Pharma Inc. | $24 |
| Dompe US, Inc. | $18 |
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: 2004-05-04
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 |
|---|---|---|---|---|
| I20040504000114 | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 1,784 | 1,738 | $0 |
| 92012 | Established patient problem focused exam of visual system | 1,142 | 842 | $0 |
| 92133 | Imaging of optic nerve | 651 | 612 | $0 |
| 92083 | Exam of visual field with extended testing | 501 | 488 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 398 | 257 | $0 |
Insurance plans in this area (ZIP 95401)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | CA | |
| - | CA | |
| O P H T H A L M O L O G Y | CA | |
| O P T O M E T R 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 | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA | |
| O P H T H A L M O L O G Y | CA |
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