DR. CHARLES T ZENZEN (MD) – Ophthalmology Physician, NPI 1265448930
Ophthalmology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
844 OPHTHALMOLOGY in MI
Provider Addresses for DR. CHARLES T ZENZEN (MD)
30150 TELEGRAPH RD STE 271
BINGHAM FARMS, MI 480254521
Phone: (248) 395-5166
Fax: (734) 743-2138
Type: Mailing
2240 E HILL RD
GRAND BLANC, MI 484395420
Phone: (810) 579-0202
Fax: (810) 579-0204
Type: Location
North El Camino Real, Encinitas, San Diego County, California, 92024, United States
ENCINITAS, CA 920241332
Phone: (760) 631-3500
Fax: (760) 753-5150
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $352.
Total Amount is formed as General ($352) + Research ($0) + Ownership ($0) = $352.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($154).
Total Amount
$352
General + Research + Ownership
Payments
12
Total payment records
General Amount
$352
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $154 |
| Oyster Point Pharma, Inc. | $66 |
| Alcon Vision LLC | $30 |
| Rayner Intraocular Lenses Limited | $27 |
| ABBVIE INC. | $25 |
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: 2004-04-05
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 |
|---|---|---|---|---|
| I20040405000320 | I | Ophthalmology | MI | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 324 | 244 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 231 | 218 | $0 |
| 92133 | Imaging of optic nerve | 191 | 187 | $0 |
| 92083 | Exam of visual field with extended testing | 191 | 186 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 124 | 74 | $0 |
Insurance plans in this area (ZIP 48025)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P T O M E T R Y | MI | |
| O P T O M E T R Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI |
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