Dr. Ann A. Warn, MD
- Medicare services, 2024
- 3,385
- Medicare patients, 2024
- 1,446
- Part D claims, 2024
- 1,476
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Practice address
- 1000 N Lincoln Blvd, Oklahoma City, OK 73104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
McGee Eye Surgery Center, LLC - HOPD
Acute Care Hospital outpatient department · Oklahoma City, Oklahoma
Find Dr. Warn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ann A. Warn is an ophthalmologist in Oklahoma City, Oklahoma
Dr. Warn practices at McGee Eye Surgery Center, LLC - HOPD in Oklahoma City, Oklahoma.
Dr. Warn's NPI, 1316916794, was assigned on March 16, 2006. Dr. Warn graduated from University of Kansas School of Med (KC/Wich/Sal) in 1990. Dr. Warn holds Oklahoma license 17787.
- NPI
- 1316916794NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385778877
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ann A. Warn practices at McGee Eye Surgery Center, LLC - HOPD in Oklahoma City, Oklahoma
Dr. Warn's primary practice is McGee Eye Surgery Center, LLC - HOPD, at 1000 N Lincoln Blvd, Oklahoma City, OK 73104.
- McGee Eye Surgery Center, LLC - HOPD1000 N Lincoln Blvd, Oklahoma City, OK 73104
Source: Dmand AI Affiliation Data
Dr. Ann A. Warn is affiliated with 4 sites of care and 2 medical groups
Dr. Warn's primary practice is McGee Eye Surgery Center, LLC - HOPD in Oklahoma City, Oklahoma. Dr. Warn is also affiliated with Memorial Health System of Southwest Oklahoma. The medical group on file is OU Health. Dmand AI also links Dr. Warn to 2 more group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ann A. Warn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warn practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McGee Eye Surgery Center, LLC - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann A. Warn is one of 153 ophthalmologists in Oklahoma
Ophthalmology is Dr. Warn's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Warn is licensed in Oklahoma.
Specialties and state licenses
- Ophthalmology, OklahomaPrimary
Ophthalmologists near Dr. Warn
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ann A. Warn billed Medicare for 3,385 services in 2024
CMS data shows 3,385 Medicare services from Dr. Warn across 16 procedure codes in 2024, for 1,446 Medicare patients. Medicare paid $234,793 for them.
Dr. Warn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,6212024: 2,25414%
- Office and hospital visits
- 2023: 3392024: 901166%
- Surgery
- 2023: 3112024: 19238%
- Imaging
- 2023: 482024: 3821%
Where Dr. Warn's Medicare services took place, 2024
- In an office3,35199%
- In a facility341%
Dr. Warn compared with the Oklahoma median for ophthalmologists, 2024
- Dr. Warn
- Oklahoma median
- Medicare services
- 3,385vs 1,5482.2 times
- Medicare patients
- 1,446vs 6162.3 times
- Part D claims
- 1,401vs 4073.4 times
Medians across 150 ophthalmologists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Warn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Warn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warn and other ophthalmologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ann A. Warn treated 1,446 Medicare patients in 2024, average age 76
CMS counts 1,446 Medicare patients who saw Dr. Warn in 2024. The largest group is 75 to 84, with 592 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warn's median patient age at 73, with 61% women.
Dr. Warn's Medicare patients by age, 2024
Dr. Warn's Medicare patients by sex, 2024
- Women91763%
- Men52937%
Chronic conditions among Dr. Warn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes42%
- Chronic kidney disease26%
- Ischemic heart disease26%
- Osteoporosis21%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ann A. Warn wrote 1,476 Medicare Part D claims in 2024
In 2024, Dr. Warn wrote 1,476 Medicare Part D claims for 318 patients. 68% of them were for generic drugs. CMS names the drug for 1,401 of them, across 15 drugs with 11 or more claims each, at $92,620 in total drug cost. In 2023, CMS named 1,490 claims across 19 drugs.
Dr. Warn's Part D claims by kind of drug, 2024
- Generic1,006 claims68%
- Brand-name470 claims32%
Dr. Warn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4902024: 1,4016%
Drugs named by CMS: 15 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ann A. Warn scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Warn for performance year 2024, reported as part of a group. Dr. Warn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 199 procedures of cataract surgery by Dr. Warn, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Warn's MIPS scores, performance year 2024
- 85of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Warn ranks in Medicare procedure volume
- Cataract surgery
- 84th percentile199 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ann A. Warn received $855 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Warn from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Alcon Laboratories Inc paid the most, $275.
General payments to Dr. Warn by program year, 2016 to 2025
General payments to Dr. Warn by kind, 2016 to 2025
- Food and beverage$81896%
- Education$384%
Companies that paid Dr. Warn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ann A. Warn graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Warn graduated from University of Kansas School of Med (KC/Wich/Sal) in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ann A. Warn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ann A. Warn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ann A. Warn's NPI number?
Dr. Ann A. Warn's NPI number is 1316916794. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann A. Warn?
Dr. Ann A. Warn is an ophthalmologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ann A. Warn practice?
Dr. Warn practices at 1000 N Lincoln Blvd, Oklahoma City, OK 73104. Dr. Warn's primary practice is McGee Eye Surgery Center, LLC - HOPD in Oklahoma City, Oklahoma. Dmand AI also links Dr. Warn to 2 group practices and clinics and 1 medical group.
What is Dr. Ann A. Warn's medical license number?
Dr. Warn holds Oklahoma license 17787.
Which hospitals is Dr. Ann A. Warn affiliated with?
Dr. Warn is affiliated with Memorial Health System of Southwest Oklahoma.
What medical group is Dr. Ann A. Warn part of?
Dr. Warn is linked to OU Health. Dmand AI links Dr. Warn to 1 more medical group.
Does Dr. Ann A. Warn accept Medicare?
Yes. CMS data shows Dr. Warn billed Medicare for 3,385 services in 2024, and Dr. Warn accepts Medicare assignment.
What is Dr. Ann A. Warn's MIPS score?
Dr. Warn's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ann A. Warn see?
CMS counts 1,446 Medicare patients who saw Dr. Warn in 2024, with an average age of 76.
What services does Dr. Ann A. Warn bill to Medicare?
In 2024, Dr. Warn's most billed Medicare services were eye exam or test (92014), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Ann A. Warn go to medical school?
Dr. Warn graduated from University of Kansas School of Med (KC/Wich/Sal) in 1990.
What drugs does Dr. Ann A. Warn prescribe most?
In 2024 Medicare Part D data, Dr. Warn's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Ann A. Warn received payments from drug or device companies?
CMS Open Payments shows $855 in general payments to Dr. Warn from 8 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Ann A. Warn been practicing?
Dr. Warn graduated from medical school in 1990, 36 years ago.
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