Doctor profile · Federal record
Dr. Lewis Kemmerer, OD
Optometrist (CMS: Optometry) · Redlands, CA
- NPI 1942242912
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1690 Barton RD, Second Floor
Redlands, CA 923734229
(909) 793-3311
fax (909) 793-2916 - Mailing address
-
Po Box 2200
Redlands, CA 923730722
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 24, 2009
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT 8757
- Medicaid
- CA #SD0087570
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942242912. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
481
Distinct HCPCS
10
Medicare allowed
$38,783
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92012 |
Established patient problem focused exam of visual system | 114 | 114 | $93 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 83 | 70 | $58 | |
92083 |
Exam of visual field with extended testing | 55 | 54 | $65 | |
92133 |
Imaging of optic nerve | 54 | 52 | $35 | |
92014 |
Established patient complete exam of visual system | 43 | 43 | $131 | |
92002 |
New patient problem focused exam of visual system | 42 | 42 | $89 | |
92004 |
New patient complete exam of visual system | 28 | 28 | $155 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 24 | 24 | $75 | |
92134 |
Imaging of retina | 23 | 22 | $42 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 15 | $93 |
In context: peer comparison
Among 2 peers in Redlands Optometrist, average services per provider: 43. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,303
Patients
259
Total drug cost
$58,260
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 1,005 | 204 | $20,716 |
| Timolol Maleate | Generic | 163 | 44 | $2,231 |
| Dorzolamide Hcl | Generic | 36 | 0 | $820 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 27 | 0 | $1,086 |
| Levobunolol Hcl | Generic | 23 | 0 | $520 |
| Restasis (Cyclosporine) | Brand | 19 | 11 | $25,126 |
| Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) | Brand | 17 | 0 | $6,945 |
| Fluorometholone | Generic | 13 | 0 | $815 |
Frequently asked questions
What is Dr. Lewis Kemmerer's medical specialty?
Dr. Lewis Kemmerer practices Optometrist in Redlands, CA.
Where does Dr. Lewis Kemmerer practice?
Dr. Lewis Kemmerer practices at 1690 Barton RD, Redlands, CA 923734229. Office phone: 9097933311.
What is Dr. Lewis Kemmerer's NPI?
Dr. Lewis Kemmerer's National Provider Identifier (NPI) is 1942242912, issued by NPPES.
Does Dr. Lewis Kemmerer accept Medicare assignment?
Yes. Dr. Lewis Kemmerer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lewis Kemmerer commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient office or other outpatient visit (HCPCS 99212); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.