DR. MARK F. KLAFF (OD) – Optometrist, NPI 1194887604
Optometrist
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. MARK F. KLAFF (OD)
7500 BEECHNUT ST STE 175
HOUSTON, TX 770744399
Phone: (832) 955-8162
Fax: (832) 787-0142
Type: Mailing
2855 GRAMERCY ST # 400
HOUSTON, TX 770251756
Phone: (713) 668-6828
Type: Mailing
5420, Dashwood Drive, Houston, Harris County, Texas, 77081, United States
101
HOUSTON, TX 770815357
Phone: (713) 668-9118
Type: Location
2855, Gramercy Street, University Place, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770251635
Phone: (713) 668-6828
Fax: (713) 558-8785
Type: Mailing
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 $172.
Total Amount is formed as General ($172) + Research ($0) + Ownership ($0) = $172.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Mallinckrodt Hospital Products Inc. ($76).
Total Amount
$172
General + Research + Ownership
Payments
7
Total payment records
General Amount
$172
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mallinckrodt Hospital Products Inc. | $76 |
| Harrow Eye, LLC | $54 |
| Johnson & Johnson Vision Care, Inc. | $43 |
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: 2009-12-08
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 |
|---|---|---|---|---|
| I20091208000299 | I | Optometry | TX | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77074)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | TX | |
| - | TX | |
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | FL | |
| O P T O M E T R Y | TX | |
| O P T O M E T R Y | TX |
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