Dr. Warren E. Hill, MD

  • Mesa, AZ
  • Ophthalmologist
NPI1104990506PAC ID6507883501
Medicare services, 2024
734
Medicare patients, 2024
235
Part D claims, 2024
235
Publications
26
Industry payments
$1.6M
Practice address
5620 East Broadway Road, Ste 102, Mesa, AZ 85206
Practice phone
Call (480) 739-1658
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

East Valley Outpatient Surgery Center

Surgery Center - Medicare-Certified · Mesa, Arizona

See all 2 affiliations

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Dr. Warren E. Hill is an ophthalmologist in Mesa, Arizona

Dr. Hill practices at East Valley Outpatient Surgery Center in Mesa, Arizona.

Dr. Hill's NPI, 1104990506, was assigned on November 17, 2006. Dr. Hill graduated from University of Arizona College of Medicine in 1980. Dr. Hill holds Arizona license 12866.

NPI and contact details
Medicare PAC ID
6507883501
NPI enumeration date
November 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(480) 739-1658
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

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

Dr. Warren E. Hill practices at East Valley Outpatient Surgery Center in Mesa, Arizona

Dr. Hill's primary practice is East Valley Outpatient Surgery Center, at 5620 East Broadway Road, Ste 102, Mesa, AZ 85206. The practice phone is (480) 739-1658.

  • East Valley Outpatient Surgery Center
    5620 East Broadway Road, Ste 102, Mesa, AZ 85206Phone(480) 739-1658

Source: Dmand AI Affiliation Data

Dr. Warren E. Hill is affiliated with 1 site of care and 1 medical group

Dr. Hill's primary practice is East Valley Outpatient Surgery Center in Mesa, Arizona. Dmand AI also links Dr. Hill to 1 medical group, named with a free account.

East Valley Outpatient Surgery CenterSurgery Center - Medicare-Certified · Mesa, ArizonaPrimary
1 medical groupName with a free accountParent health systemName with a free account
See all 2 affiliations for Dr. Hill

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Warren E. Hill's practice

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

EHR by site
SiteEHR vendor and product
East Valley Outpatient Surgery CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Warren E. Hill is one of 293 ophthalmologists in Arizona

Ophthalmology is Dr. Hill's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hill is licensed in Arizona.

Specialties and state licenses

  • Ophthalmology, ArizonaPrimaryLicense 12866 · taxonomy 207W00000X

Ophthalmologists near Dr. Hill

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. Warren E. Hill billed Medicare for 734 services in 2024

CMS data shows 734 Medicare services from Dr. Hill across 6 procedure codes in 2024, for 235 Medicare patients. Medicare paid $33,852 for them. Every service was in an office.

Medicare services, 2024734
Medicare patients235
Paid by Medicare$33,852
Procedure codes6

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

  • 2023
  • 2024
Tests and treatments
2023: 8522024: 73414%
Imaging
2023: 132024: 0100%
Office and hospital visits
2023: 1112024: 0100%

Dr. Hill compared with the Arizona median for ophthalmologists, 2024

  • Dr. Hill
  • Arizona median
Medicare services
734vs 1,70957% below
Medicare patients
235vs 59160% below
Part D claims
189vs 65471% below

Medians across 293 ophthalmologists in Arizona with Dmand AI profiles that report each measure.

Dr. Hill'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. Hill

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

Dr. Warren E. Hill treated 235 Medicare patients in 2024, average age 81

CMS counts 235 Medicare patients who saw Dr. Hill in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hill's median patient age at 79, with 56% women.

Medicare patients, 2024235
Average age81
Average risk score1.15

Dr. Hill's Medicare patients by age, 2024

Dr. Hill's Medicare patients by sex, 2024

  • Women11750%
  • Men11850%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Chronic kidney disease31%
  5. Diabetes27%
  6. Ischemic heart disease27%
  7. Atrial fibrillation23%
  8. Cancer21%

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

Dr. Hill's patients across all payers

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

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Warren E. Hill wrote 235 Medicare Part D claims in 2024

In 2024, Dr. Hill wrote 235 Medicare Part D claims for 62 patients. 60% of them were for generic drugs. CMS names the drug for 189 of them, across 3 drugs with 11 or more claims each, at $5,703 in total drug cost. In 2023, CMS named 165 claims across 2 drugs.

Part D claims, 2024235
Drugs named by CMS3
Total drug cost$5,703
Part D patients62

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

  • Generic141 claims60%
  • Brand-name94 claims40%

Dr. Hill'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: 1652024: 18915%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Hill

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. Warren E. Hill takes part in Medicare

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

Accepts Medicare assignment
Yes

Cataract surgery: 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. Warren E. Hill has 26 publications on record

Dmand AI links 26 papers to Dr. Hill, published from 2011 to 2020. 2012 was the busiest year, with 2. The most frequent topics are Lenses, Intraocular, Lens Implantation, Intraocular and Phacoemulsification. Dr. Hill has published most often in J Cataract Refract Surg. Dr. Hill's most frequent co-authors are Douglas D. Koch, MD, Jack T. Holladay, MD and Robert H. Osher, MD.

Papers26
Years published2011 to 2020

Dr. Hill's papers by year, 2011 to 2020

Topics Dr. Hill writes about most

  • Lenses, Intraocular
  • Lens Implantation, Intraocular
  • Phacoemulsification
  • Refraction, Ocular
  • Optics and Photonics
  • Biometry
  • Visual Acuity
  • Astigmatism

Dr. Hill's most frequent co-authors

Recent publications by Dr. Hill

See all 26 publications and co-authors

See who Dr. Hill researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hill works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Warren E. Hill received $1,595,817 in industry payments from 2016 to 2025

CMS Open Payments shows 285 general payments to Dr. Hill from 22 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 83% of the total. Reliance Medical Products, Inc. paid the most, $795,459. It also lists 2 research payments totaling $66,275 from 2016 to 2019.

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

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

$1.6Min total
  • Consulting fees$1,320,41583%
  • Royalties and licenses$210,00013%
  • Travel and lodging$26,3842%
  • Speaker and faculty fees$18,2471%
  • Other$14,4691%

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

Share is of all general payments to this clinician.

See all payments to Dr. Hill

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

Dr. Warren E. Hill graduated from University of Arizona College of Medicine

Dr. Hill graduated from University of Arizona College of Medicine in 1980.

  1. Medical schoolUniversity of Arizona College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Warren E. Hill'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Warren E. Hill

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. Warren E. Hill's NPI number?

Dr. Warren E. Hill's NPI number is 1104990506. It was assigned on November 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Warren E. Hill?

Dr. Warren E. Hill is an ophthalmologist in Mesa, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Warren E. Hill practice?

Dr. Hill practices at 5620 East Broadway Road, Ste 102, Mesa, AZ 85206. Dr. Hill's primary practice is East Valley Outpatient Surgery Center in Mesa, Arizona. Dmand AI also links Dr. Hill to 1 medical group.

What is Dr. Warren E. Hill's office phone number?

The practice phone on file for Dr. Hill is (480) 739-1658.

What is Dr. Warren E. Hill's medical license number?

Dr. Hill holds Arizona license 12866.

Does Dr. Warren E. Hill accept Medicare?

Yes. CMS data shows Dr. Hill billed Medicare for 734 services in 2024, and Dr. Hill accepts Medicare assignment.

How many Medicare patients does Dr. Warren E. Hill see?

CMS counts 235 Medicare patients who saw Dr. Hill in 2024, with an average age of 81.

What services does Dr. Warren E. Hill bill to Medicare?

In 2024, Dr. Hill's most billed Medicare services were eye exam or test (92014), eye exam or test (92134) and eye exam or test (92250).

Where did Dr. Warren E. Hill go to medical school?

Dr. Hill graduated from University of Arizona College of Medicine in 1980.

What drugs does Dr. Warren E. Hill prescribe most?

In 2024 Medicare Part D data, Dr. Hill's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate-Timolol.

Show 4 more questionsShow fewer questions

Has Dr. Warren E. Hill received payments from drug or device companies?

CMS Open Payments shows $1,595,817 in general payments to Dr. Hill from 22 companies from 2016 to 2025. The largest total came from Reliance Medical Products, Inc.

How long has Dr. Warren E. Hill been practicing?

Dr. Hill graduated from medical school in 1980, 46 years ago.

Does Dr. Warren E. Hill do research?

Dmand AI links 26 publications to Dr. Hill, published from 2011 to 2020.

Who does Dr. Warren E. Hill publish with?

Dr. Hill's most frequent co-authors are Douglas D. Koch, MD (12 shared papers), Jack T. Holladay, MD (2 shared papers) and Robert H. Osher, MD (2 shared papers).

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