DR. JOHN GRANT TEW (MD) – Ophthalmology Physician, NPI 1174593354
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. JOHN GRANT TEW (MD)
West Stetson Avenue, Hemet, Riverside County, California, 92543, United States
HEMET, CA 925459687
Phone: (951) 652-4343
Fax: (951) 765-6039
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 57 Open Payments records for all available years, with a total value of $1,104.
Total Amount is formed as General ($1,104) + Research ($0) + Ownership ($0) = $1,104.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($276).
Total Amount
$1,104
General + Research + Ownership
Payments
57
Total payment records
General Amount
$1,104
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $276 |
| ABBVIE INC. | $241 |
| Glaukos Corporation | $123 |
| Novartis Pharmaceuticals Corporation | $102 |
| Alcon Vision LLC | $99 |
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: 2004-05-26
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 |
|---|---|---|---|---|
| I20040526000734 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 775 | 624 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 511 | 431 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 482 | 187 | $0 |
| 92134 | Imaging of retina | 249 | 245 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 247 | 148 | $0 |
Insurance plans in this area (ZIP 92545)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | CA | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 59 | 55 |
| OPHTHALMOLOGY | CA | 92083 | Measurement of field of vision during daylight conditions | 152 | 147 |
| OPHTHALMOLOGY | CA | 92134 | Diagnostic imaging of retina | 259 | 164 |
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 | KS | |
| - | FL | |
| 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 T O M E T R Y | 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 | |
| - | CA |
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