Dr. David Warfield, MD
- Medicare services, 2024
- 2,073
- Medicare patients, 2024
- 488
- Part D claims, 2024
- 4,869
- Hospital affiliations
- 1
- Industry payments
- $309
- Practice address
- 250 East Dunlap Avenue, Phoenix, AZ 85020
- Practice phone
- Call (602) 943-2381
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warfield'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. David Warfield is an internist in Phoenix, Arizona
Dr. Warfield practices at HonorHealth John C. Lincoln Medical Center in Phoenix, Arizona, part of HonorHealth.
Dr. Warfield's NPI, 1023018660, was assigned on July 26, 2005. Dr. Warfield holds Arizona license 24363.
- NPI
- 1023018660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244356392
- NPI enumeration date
- July 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (602) 943-2381
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Warfield practices at HonorHealth John C. Lincoln Medical Center in Phoenix, Arizona
Dr. Warfield's primary practice is HonorHealth John C. Lincoln Medical Center, at 250 East Dunlap Avenue, Phoenix, AZ 85020 in Maricopa County. The practice phone is (602) 943-2381.
- HonorHealth John C. Lincoln Medical Center250 East Dunlap Avenue, Phoenix, AZ 85020 · Maricopa CountyPhone(602) 943-2381
Source: Dmand AI Affiliation Data
Dr. David Warfield is affiliated with 3 sites of care and 2 medical groups
Dr. Warfield's primary practice is HonorHealth John C. Lincoln Medical Center in Phoenix, Arizona, part of HonorHealth. The medical group on file is Village Medical. Dmand AI also links Dr. Warfield to 1 more group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Warfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warfield practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HonorHealth John C. Lincoln Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Warfield is one of 2,420 internists in Arizona
Internal medicine is Dr. Warfield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warfield is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Warfield
Counts of internists 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. David Warfield billed Medicare for 2,073 services in 2024
CMS data shows 2,073 Medicare services from Dr. Warfield across 16 procedure codes in 2024, for 488 Medicare patients. Medicare paid $135,502 for them. Every service was in an office.
Dr. Warfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 7502024: 1,14853%
- Office and hospital visits
- 2023: 5902024: 81438%
- Tests and treatments
- 2023: 622024: 643%
- Lab and pathology
- 2023: 3732024: 3591%
- Surgery
- 2023: 1602024: 1293%
Dr. Warfield compared with the Arizona median for internists, 2024
- Dr. Warfield
- Arizona median
- Medicare services
- 2,073vs 4764.4 times
- Medicare patients
- 488vs 2052.4 times
- Part D claims
- 4,345vs 26016.7 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Warfield'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warfield and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Warfield treated 488 Medicare patients in 2024, average age 76
CMS counts 488 Medicare patients who saw Dr. Warfield in 2024. The largest group is 65 to 74, with 210 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warfield's median patient age at 70, with 41% women.
Dr. Warfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Warfield's Medicare patients by sex, 2024
- Women19841%
- Men29059%
Chronic conditions among Dr. Warfield's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis44%
- Ischemic heart disease37%
- Heart failure24%
- Chronic kidney disease22%
- Diabetes22%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Warfield wrote 4,869 Medicare Part D claims in 2024
In 2024, Dr. Warfield wrote 4,869 Medicare Part D claims for 609 patients. 93% of them were for generic drugs. CMS names the drug for 4,345 of them, across 82 drugs with 11 or more claims each, at $118,017 in total drug cost. In 2023, CMS named 4,926 claims across 84 drugs.
Dr. Warfield's Part D claims by kind of drug, 2024
- Generic4,552 claims93%
- Brand-name306 claims6%
- Other11 claims0%
Dr. Warfield'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. Warfield's Part D claims, 2024
- Opioids1%27 of 4,869 claims
- Antibiotics3%122 of 4,869 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: 4,9262024: 4,34512%
Drugs named by CMS: 82 in 2024, 84 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. David Warfield offers telehealth to Medicare patients
Dr. Warfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Warfield as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Warfield received $309 in industry payments from 2024 to 2025
CMS Open Payments shows 15 general payments to Dr. Warfield from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $80.
General payments to Dr. Warfield by program year, 2024 to 2025
Companies that paid Dr. Warfield the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Warfield'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. David Warfield
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. David Warfield's NPI number?
Dr. David Warfield's NPI number is 1023018660. It was assigned on July 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Warfield?
Dr. David Warfield is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Warfield practice?
Dr. Warfield practices at 250 East Dunlap Avenue, Phoenix, AZ 85020. Dr. Warfield's primary practice is HonorHealth John C. Lincoln Medical Center in Phoenix, Arizona, part of HonorHealth. Dmand AI also links Dr. Warfield to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. David Warfield's office phone number?
The practice phone on file for Dr. Warfield is (602) 943-2381.
What is Dr. David Warfield's medical license number?
Dr. Warfield holds Arizona license 24363.
Which hospitals is Dr. David Warfield affiliated with?
Dr. Warfield practices at HonorHealth John C. Lincoln Medical Center in Phoenix, Arizona.
What medical group is Dr. David Warfield part of?
Dr. Warfield is linked to Village Medical. Dmand AI links Dr. Warfield to 1 more medical group.
Does Dr. David Warfield accept Medicare?
Yes. CMS data shows Dr. Warfield billed Medicare for 2,073 services in 2024, and Dr. Warfield accepts Medicare assignment.
Does Dr. David Warfield offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Warfield as offering telehealth services.
How many Medicare patients does Dr. David Warfield see?
CMS counts 488 Medicare patients who saw Dr. Warfield in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. David Warfield bill to Medicare?
In 2024, Dr. Warfield's most billed Medicare services were office visit, established patient (99214), medicare service (G0442) and medicare service (G0439).
What drugs does Dr. David Warfield prescribe most?
In 2024 Medicare Part D data, Dr. Warfield's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. David Warfield received payments from drug or device companies?
CMS Open Payments shows $309 in general payments to Dr. Warfield from 9 companies from 2024 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. David Warfield been practicing?
Dr. Warfield graduated from medical school in 1993, 33 years ago.
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