Dr. Michael Alan Warner, MD

  • Upland, CA
  • Ophthalmologist
NPI1265458293PAC ID3274431499
Medicare services, 2024
561
Medicare patients, 2024
283
Part D claims, 2024
628
Industry payments
$3,908
Affiliated sites
5
Practice address
494 N Mountain Ave, Upland, CA 91786
Practice phone
Call (626) 793-4168
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Azul Vision

Upland, California

See all 13 affiliations

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Dr. Michael Alan Warner is an ophthalmologist in Upland, California

Dr. Warner practices at Azul Vision in Upland, California.

Dr. Warner's NPI, 1265458293, was assigned on July 14, 2006. Dr. Warner graduated from Duke University School Of Medicine in 1990. Dr. Warner holds Florida license ME123815.

NPI and contact details
Medicare PAC ID
3274431499
NPI enumeration date
July 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 793-4168
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael Alan Warner practices at Azul Vision in Upland, California

Dr. Warner's primary practice is Azul Vision, at 494 N Mountain Ave, Upland, CA 91786 in San Bernardino County. The practice phone is (626) 793-4168.

  • Azul Vision
    494 N Mountain Ave, Upland, CA 91786 · San Bernardino CountyPhone(626) 793-4168

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael Alan Warner is affiliated with 6 sites of care and 7 medical groups

Dr. Warner's primary practice is Azul Vision in Upland, California. The medical group on file is Florida Eye Clinic. Dmand AI also links Dr. Warner to 6 more medical groups, 3 group practices and clinics, 1 physician office and 1 ambulatory surgery center, each named with a free account.

See all 13 affiliations for Dr. Warner

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michael Alan Warner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Azul VisionAvailable with a free account
+5 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Alan Warner is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Warner is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Warner's licenses on file in 9 states: Florida, Colorado, California, Washington, Georgia, Idaho, Oregon, Massachusetts and New York.

Specialties and state licenses

  • Ophthalmology, FloridaPrimaryLicense ME123815 · 2015 to 2027 · taxonomy 207W00000X
  • Colorado license2015 to 2027
  • California licenseLicense C52765 · 2007 to 2026
  • Washington license1996 to 2026
  • Georgia license2016 to 2025
  • Idaho license2004 to 2025
  • Oregon licenseLicense MD17533 · 1991 to 2025
  • Massachusetts license1994 to 2006
  • New York license1991 to 1994

Clinical focus

Dmand AI lists conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and vision problems among the conditions Dr. Warner treats.

Ophthalmologists near Dr. Warner

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. Michael Alan Warner billed Medicare for 561 services in 2024

CMS data shows 561 Medicare services from Dr. Warner across 9 procedure codes in 2024, for 283 Medicare patients. Medicare paid $66,006 for them. Every service was in an office.

Medicare services, 2024561
Medicare patients283
Paid by Medicare$66,006
Procedure codes9

Dr. Warner's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1862024: 26844%
Office and hospital visits
2023: 02024: 226
Surgery
2023: 02024: 67

Dr. Warner compared with the California median for ophthalmologists, 2024

  • Dr. Warner
  • California median
Medicare services
561vs 1,07948% below
Medicare patients
283vs 42133% below
Part D claims
539vs 61813% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Warner'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.

See all procedures by Dr. Warner

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Alan Warner treated 283 Medicare patients in 2024, average age 76

CMS counts 283 Medicare patients who saw Dr. Warner in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Warner's median patient age at 72, with 60% women.

Medicare patients, 2024283
Average age76
Average risk score1.16
Also on Medicaid11%

Dr. Warner's Medicare patients by age, 2024

Dr. Warner's Medicare patients by sex, 2024

  • Women18164%
  • Men10236%

Chronic conditions among Dr. Warner's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis56%
  4. Diabetes31%
  5. Ischemic heart disease28%
  6. Chronic kidney disease27%
  7. Anxiety23%
  8. Osteoporosis21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Warner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael Alan Warner wrote 628 Medicare Part D claims in 2024

In 2024, Dr. Warner wrote 628 Medicare Part D claims for 228 patients. 64% of them were for generic drugs. CMS names the drug for 539 of them, across 7 drugs with 11 or more claims each, at $23,777 in total drug cost. In 2023, CMS named 572 claims across 10 drugs.

Part D claims, 2024628
Drugs named by CMS7
Total drug cost$23,777
Part D patients228

Dr. Warner's Part D claims by kind of drug, 2024

  • Generic400 claims64%
  • Brand-name228 claims36%

Dr. Warner'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.

Drug classes CMS tracks in Dr. Warner's Part D claims, 2024

  • Antibiotics22%140 of 628 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5722024: 5396%

Drugs named by CMS: 7 in 2024, 10 in 2023.

See all prescribing by Dr. Warner

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

How Dr. Michael Alan Warner takes part in Medicare

Dr. Warner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Michael Alan Warner received $3,908 in industry payments from 2016 to 2025

CMS Open Payments shows 148 general payments to Dr. Warner from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Horizon Pharma plc paid the most, $1,902.

General payments to Dr. Warner by program year, 2016 to 2025

General payments to Dr. Warner by kind, 2016 to 2025

$3.9Kin total
  • Food and beverage$3,85499%
  • Education$541%

Companies that paid Dr. Warner the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Alan Warner has 1 award and honors on record

Dmand AI lists 1 award for Dr. Warner.

Awards and honors for Dr. Warner

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Michael Alan Warner graduated from Duke University School Of Medicine

Dr. Warner graduated from Duke University School Of Medicine in 1990. Dr. Warner is a member of AAO.

  1. Medical schoolDuke University School Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Michael Alan Warner accepts plans from 16 insurance carriers

Dr. Warner is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • Cigna
  • Humana
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Warner accepts, by number of carriers

  1. Medicare13
  2. HMO9
  3. PPO9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Alan Warner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Alan Warner

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. Michael Alan Warner's NPI number?

Dr. Michael Alan Warner's NPI number is 1265458293. It was assigned on July 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Alan Warner?

Dr. Michael Alan Warner is an ophthalmologist in Upland, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Michael Alan Warner practice?

Dr. Warner practices at 494 N Mountain Ave, Upland, CA 91786. Dr. Warner's primary practice is Azul Vision in Upland, California. Dmand AI also links Dr. Warner to 6 medical groups, 3 group practices and clinics, 1 physician office and 1 ambulatory surgery center.

What is Dr. Michael Alan Warner's office phone number?

The practice phone on file for Dr. Warner is (626) 793-4168.

What is Dr. Michael Alan Warner's medical license number?

Dr. Warner holds Florida license ME123815, one of the licenses on file in 9 states.

Which states has Dr. Michael Alan Warner been licensed in?

Dmand AI has state licenses on file for Dr. Warner in Florida (2015 to 2027), Colorado (2015 to 2027), California (2007 to 2026), Washington (1996 to 2026), Georgia (2016 to 2025), Idaho (2004 to 2025), Oregon (1991 to 2025), Massachusetts (1994 to 2006) and New York (1991 to 1994).

What medical group is Dr. Michael Alan Warner part of?

Dr. Warner is linked to Florida Eye Clinic. Dmand AI links Dr. Warner to 6 more medical groups.

Does Dr. Michael Alan Warner accept Medicare?

Yes. CMS data shows Dr. Warner billed Medicare for 561 services in 2024, and Dr. Warner accepts Medicare assignment.

How many Medicare patients does Dr. Michael Alan Warner see?

CMS counts 283 Medicare patients who saw Dr. Warner in 2024, with an average age of 76.

Is Dr. Michael Alan Warner board certified?

Yes. Dr. Warner is board certified in ophthalmology by the American Board of Ophthalmology.

Show 6 more questionsShow fewer questions

What services does Dr. Michael Alan Warner bill to Medicare?

In 2024, Dr. Warner's most billed Medicare services were office visit, new patient (99203), eye exam or test (92285) and office visit, established patient (99213).

Where did Dr. Michael Alan Warner go to medical school?

Dr. Warner graduated from Duke University School Of Medicine in 1990.

What drugs does Dr. Michael Alan Warner prescribe most?

In 2024 Medicare Part D data, Dr. Warner's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Fluorometholone and Minocycline HCl.

Has Dr. Michael Alan Warner received payments from drug or device companies?

CMS Open Payments shows $3,908 in general payments to Dr. Warner from 19 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.

How long has Dr. Michael Alan Warner been practicing?

Dr. Warner graduated from medical school in 1990, 36 years ago.

What insurance does Dr. Michael Alan Warner accept?

Dr. Warner is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.

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