Doctor profile · Federal record
Dr. Ann Warn, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Lawton, OK
- NPI 1316916794
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3201 W Gore Blvd
Lawton, OK 735056378
(580) 250-5855
fax (580) 250-5808 - Mailing address
-
608 Stanton L Young Blvd
Oklahoma City, OK 731045014
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 4, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Oklahoma #17787
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316916794. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,319
Distinct HCPCS
10
Medicare allowed
$393,044
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 1,095 | 1,010 | $118 | |
92012 |
Established patient problem focused exam of visual system | 467 | 341 | $84 | |
92133 |
Imaging of optic nerve | 295 | 288 | $32 | |
92083 |
Exam of visual field with extended testing | 291 | 266 | $57 | |
92134 |
Imaging of retina | 288 | 238 | $37 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 144 | 143 | $121 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 115 | 73 | $508 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 113 | 99 | $85 | |
92136 |
Measurement of corneal curvature and depth of eye | 97 | 70 | $37 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 91 | 64 | $311 |
In context: peer comparison
Among 2 peers in Lawton Ophthalmology Physician, average services per provider: 186. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 1 | $21.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,402
Patients
499
Total drug cost
$107,688
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 477 | 136 | $7,927 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 230 | 58 | $5,964 |
| Timolol Maleate | Generic | 141 | 42 | $6,335 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 140 | 84 | $10,813 |
| Prednisolone Acetate | Generic | 102 | 84 | $5,223 |
| Dorzolamide Hcl | Generic | 62 | 16 | $1,600 |
| Brimonidine Tartrate | Generic | 61 | 14 | $3,716 |
| Ketorolac Tromethamine | Generic | 60 | 42 | $2,022 |
| Restasis (Cyclosporine) | Brand | 30 | 11 | $26,054 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 23 | 0 | $13,251 |
Frequently asked questions
What is Dr. Ann Warn's medical specialty?
Dr. Ann Warn practices Ophthalmology Physician in Lawton, OK.
Where does Dr. Ann Warn practice?
Dr. Ann Warn practices at 3201 W Gore Blvd, Lawton, OK 735056378. Office phone: 5802505855.
What is Dr. Ann Warn's NPI?
Dr. Ann Warn's National Provider Identifier (NPI) is 1316916794, issued by NPPES.
Does Dr. Ann Warn accept Medicare assignment?
Yes. Dr. Ann Warn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Warn commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.