Physician Profile
Unclaimed ProfileAbout WARN
Based in Lawton, OK, Ann A Warn, M.D. is listed in the NPI registry under ophthalmology. Ann graduated from University of Kansas School of Med (Kc/Wich/Sal) in 1990.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Warn?
Dr. Warn is an ophthalmology in Lawton, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
What is Dr. Warn's address?
Dr. Warn is listed at 3201 W GORE BLVD, Lawton, OK 73505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Warn?
The number on file is (580) 250-5855. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Warn's NPI number?
Dr. Warn's National Provider Identifier is 1316916794. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Warn train?
Dr. Warn attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Warn been practising?
Dr. Warn has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Warn perform?
According to Medicare billing data, Dr. Warn performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and complex removal of cataract with insertion of prosthetic lens; reads or performs imaging such as 1d ultrasound scan of eye tissue and structures; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Warn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Warn. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (580) 250-5855
- Email not available
Practice Locations
3201 W GORE BLVD
Lawton, OK 73505
Procedures Most Often Billed to Medicare
3,385 services · 2,952 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
76 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
66 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
34 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
16 |
| 1d ultrasound scan of eye tissue and structures | Imaging | 76511 |
38 |
| Established patient complete exam of visual system | Treatment | 92014 |
847 |
| Imaging of retina | Treatment | 92134 |
333 |
| Exam of visual field with extended testing | Treatment | 92083 |
303 |
| Imaging of optic nerve | Treatment | 92133 |
287 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
277 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at University of Kansas School of Med (Kc/Wich/Sal) 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of Kansas School of Med (Kc/Wich/Sal) 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in OK who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.