Doctor profile · Federal record
Dr. Lenard Hammer, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Columbia, MD
- NPI 1306874383
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8860 Columbia 100 Parkway, Suite 101
Columbia, MD 21045
(410) 997-9900
fax (410) 997-4498
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Maryland #D33667
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306874383. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,432
Distinct HCPCS
10
Medicare allowed
$555,311
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 2,540 | 1,654 | $139 | |
92134 |
Imaging of retina | 1,251 | 895 | $44 | |
92133 |
Imaging of optic nerve | 756 | 564 | $39 | |
92020 |
Exam of the internal drainage system of eye | 590 | 553 | $30 | |
92083 |
Exam of visual field with extended testing | 429 | 417 | $69 | |
92012 |
Established patient problem focused exam of visual system | 360 | 280 | $98 | |
83861 |
Microfluid analysis of tears | 160 | 74 | $22 | |
76514 |
Ultrasound scan of cornea to determine thickness | 142 | 128 | $12 | |
92250 |
Photography of the retina | 78 | 78 | $40 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 48 | 39 | $353 |
In context: peer comparison
Among 6 peers in Columbia Ophthalmology Physician, average services per provider: 236. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$234
Transactions
11
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $62.52 | |
| Oyster Point Pharma, INC. | 2 | $43.06 | |
| Dompe US, INC. | 1 | $32.90 | |
| RxSight INC | 1 | $27.84 | |
| Bausch & Lomb Americas INC. | 1 | $19.08 | |
| Thea Pharma INC. | 1 | $18.80 | |
| Tarsus Pharmaceuticals, INC. | 1 | $15.54 | |
| Alcon Vision LLC | 1 | $13.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
716
Patients
321
Total drug cost
$135,001
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 313 | 136 | $7,484 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 130 | 55 | $2,866 |
| Lumigan (Bimatoprost) | Brand | 40 | 24 | $29,630 |
| Erythromycin (Erythromycin Base) | Brand | 28 | 18 | $267 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 26 | 19 | $2,316 |
| Restasis (Cyclosporine) | Brand | 25 | 16 | $41,075 |
| Timolol Maleate | Generic | 25 | 15 | $449 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 24 | 0 | $9,938 |
| Brimonidine Tartrate | Generic | 20 | 12 | $4,465 |
| Vyzulta (Latanoprostene Bunod) | Brand | 20 | 14 | $17,200 |
Frequently asked questions
What is Dr. Lenard Hammer's medical specialty?
Dr. Lenard Hammer practices Ophthalmology Physician in Columbia, MD.
Where does Dr. Lenard Hammer practice?
Dr. Lenard Hammer practices at 8860 Columbia 100 Parkway, Columbia, MD 21045. Office phone: 4109979900.
What is Dr. Lenard Hammer's NPI?
Dr. Lenard Hammer's National Provider Identifier (NPI) is 1306874383, issued by NPPES.
Does Dr. Lenard Hammer accept Medicare assignment?
Yes. Dr. Lenard Hammer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lenard Hammer commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.