DARREN PHAM (OD) – Optometrist, NPI 1235779885
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,128 OPTOMETRY in TX
Provider Addresses for DARREN PHAM (OD)
425 COIT RD
PLANO, TX 750755709
Phone: (972) 664-4844
Fax: (972) 664-4844
Type: Mailing
301 Coit Rd
Plano, TX 750755711
Phone: (972) 664-4844
Fax: (972) 664-4844
Type: Location
114 CHATTINGTON CT
SAN ANTONIO, TX 782132609
Phone: (210) 800-1394
Type: Mailing
1800 W CHESTNUT ST # 101
DENTON, TX 76201
Phone: (940) 369-7441
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $730.
Total Amount is formed as General ($730) + Research ($0) + Ownership ($0) = $730.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($224).
Total Amount
$730
General + Research + Ownership
Payments
15
Total payment records
General Amount
$730
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $224 |
| BIOTISSUE HOLDINGS INC. | $158 |
| Alcon Vision LLC | $138 |
| ABBVIE INC. | $93 |
| Novartis Pharmaceuticals Corporation | $46 |
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: 2020-12-31
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 |
|---|---|---|---|---|
| I20201231000533 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 39 | 39 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 17 | 16 | $0 |
| 92134 | Imaging of retina | 11 | 11 | $0 |
Insurance plans in this area (ZIP 75075)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | PA | |
| 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 | |
| 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 | AR | |
| O P T O M E T R Y | GA |
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