Dr. Thomas Darrell Cain, MD
- Medicare services, 2023
- 6,878
- Part D claims, 2024
- 2,209
- Industry payments
- $269
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 7850 S Hardy Dr, Tempe, AZ 85284
- Practice phone
- Call (501) 202-1388
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Option Care
Tempe, Arizona
Find Dr. Cain'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. Thomas Darrell Cain is a geriatric medicine (internal medicine) physician in Tempe, Arizona
Dr. Cain practices at Option Care in Tempe, Arizona.
Dr. Cain's NPI, 1306816087, was assigned on January 25, 2006. Dr. Cain graduated from University of Arkansas For Medical Sciences College of Medicine in 1975. Dr. Cain's Arkansas license number on file is C4920.
- NPI
- 1306816087NPI Registry (opens in a new tab)
- NPI enumeration date
- January 25, 2006
- NPI status
- Active
- Practice phone
- (501) 202-1388
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Thomas Darrell Cain practices at Option Care in Tempe, Arizona
Dr. Cain's primary practice is Option Care, at 7850 S Hardy Dr, Tempe, AZ 85284 in Maricopa County. The practice phone is (501) 202-1388.
- Option Care7850 S Hardy Dr, Tempe, AZ 85284 · Maricopa CountyPhone(501) 202-1388
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Darrell Cain is affiliated with 2 sites of care and 1 medical group
Dr. Cain's primary practice is Option Care in Tempe, Arizona. Dmand AI also links Dr. Cain to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas Darrell Cain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Option Care | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Darrell Cain is one of 50 geriatric medicine (internal medicine) physicians in Arizona
Geriatric medicine is Dr. Cain's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Cain is board certified in internal medicine by the American Board of Internal Medicine. Dr. Cain has a license on file in Arkansas.
Specialties and state licenses
- Geriatric medicine (internal medicine), ArkansasPrimary
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute skin infection, aneurysm, cardiomyopathy, carpal tunnel syndrome, chronic diabetes and chronic hypertension among the conditions Dr. Cain treats.
Geriatric medicine (internal medicine) physicians near Dr. Cain
Counts of geriatric medicine (internal medicine) physicians 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. Thomas Darrell Cain billed Medicare for 6,878 services in 2023
CMS data shows 6,878 Medicare services from Dr. Cain across 32 procedure codes in 2023. Medicare paid $146,838 for them. Every service was in an office.
Dr. Cain's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 6,0582023: 4,85120%
- Office and hospital visits
- 2022: 8812023: 68322%
- Surgery
- 2022: 7522023: 56026%
- Other services
- 2022: 4662023: 30934%
- Imaging
- 2022: 3282023: 23927%
- Tests and treatments
- 2022: 3882023: 23639%
Dr. Cain compared with the Arizona median for geriatric medicine (internal medicine) physicians, 2023
- Dr. Cain
- Arizona median
- Medicare services
- 6,878vs 19635.1 times
- Part D claims
- 1,830vs 5933.1 times
Medians across 52 geriatric medicine (internal medicine) physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Cain's most billed Medicare procedure codes, 2023
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. Cain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cain and other geriatric medicine (internal medicine) physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Darrell Cain's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Cain's median patient age at 77, with 56% women.
Dr. Cain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Thomas Darrell Cain wrote 2,209 Medicare Part D claims in 2024
In 2024, Dr. Cain wrote 2,209 Medicare Part D claims for 286 patients. 92% of them were for generic drugs. CMS names the drug for 1,830 of them, across 56 drugs with 11 or more claims each, at $52,349 in total drug cost. In 2023, CMS named 4,997 claims across 101 drugs.
Dr. Cain's Part D claims by kind of drug, 2024
- Generic2,033 claims92%
- Brand-name165 claims7%
- Other11 claims0%
Dr. Cain'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: 4,9972024: 1,83063%
Drugs named by CMS: 56 in 2024, 101 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
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Dr. Thomas Darrell Cain received $269 in industry payments from 2016 to 2024
CMS Open Payments shows 18 general payments to Dr. Cain from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $99.
General payments to Dr. Cain by program year, 2016 to 2024
Companies that paid Dr. Cain the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Darrell Cain graduated from University of Arkansas For Medical Sciences College of Medicine
Dr. Cain graduated from University of Arkansas For Medical Sciences College of Medicine in 1975.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Thomas Darrell Cain accepts plans from 14 insurance carriers
Dr. Cain is in network with 14 carriers, including Cigna, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Cigna
- United Healthcare
- Elevance
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Humana
- +6 more carriersWith a free account
Plan types Dr. Cain accepts, by number of carriers
- PPO10
- HMO7
- Medicare5
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Darrell Cain'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Thomas Darrell Cain
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. Thomas Darrell Cain's NPI number?
Dr. Thomas Darrell Cain's NPI number is 1306816087. It was assigned on January 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Darrell Cain?
Dr. Thomas Darrell Cain is a geriatric medicine (internal medicine) physician in Tempe, Arizona. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. Thomas Darrell Cain practice?
Dr. Cain practices at 7850 S Hardy Dr, Tempe, AZ 85284. Dr. Cain's primary practice is Option Care in Tempe, Arizona. Dmand AI also links Dr. Cain to 1 group practice or clinic and 1 medical group.
What is Dr. Thomas Darrell Cain's office phone number?
The practice phone on file for Dr. Cain is (501) 202-1388.
What is Dr. Thomas Darrell Cain's medical license number?
Dr. Cain's Arkansas license number on file is C4920.
Does Dr. Thomas Darrell Cain accept Medicare?
Yes. CMS data shows Dr. Cain billed Medicare for 6,878 services in 2023.
Is Dr. Thomas Darrell Cain board certified?
Yes. Dr. Cain is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Thomas Darrell Cain bill to Medicare?
In 2023, Dr. Cain's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80053).
Where did Dr. Thomas Darrell Cain go to medical school?
Dr. Cain graduated from University of Arkansas For Medical Sciences College of Medicine in 1975.
What drugs does Dr. Thomas Darrell Cain prescribe most?
In 2024 Medicare Part D data, Dr. Cain's most prescribed drugs by claims were Atorvastatin Calcium, Potassium Chloride and Levothyroxine Sodium.
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Has Dr. Thomas Darrell Cain received payments from drug or device companies?
CMS Open Payments shows $269 in general payments to Dr. Cain from 8 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Thomas Darrell Cain been practicing?
Dr. Cain graduated from medical school in 1975, 51 years ago.
What insurance does Dr. Thomas Darrell Cain accept?
Dr. Cain is in network with 14 carriers, including Cigna, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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