Dr. Robert Difronzo, MD
- Medicare services, 2024
- 22
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 3,692
- Industry payments
- $959
- Affiliated sites
- 3
- Practice address
- 1030 Jefferson Ave, Memphis, TN 38104
- Practice phone
- Call (615) 355-3451
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memphis Veterans Medical Center
Memphis, Tennessee
Find Dr. Difronzo'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. Robert Difronzo is an internist in Memphis, Tennessee
Dr. Difronzo practices at Memphis Veterans Medical Center in Memphis, Tennessee.
Dr. Difronzo's NPI, 1760498844, was assigned on July 31, 2006. Dr. Difronzo holds Florida license ME0057429.
- NPI
- 1760498844NPI Registry (opens in a new tab)
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Practice phone
- (615) 355-3451
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Difronzo practices at Memphis Veterans Medical Center in Memphis, Tennessee
Dr. Difronzo's primary practice is Memphis Veterans Medical Center, at 1030 Jefferson Ave, Memphis, TN 38104 in Shelby County. The practice phone is (615) 355-3451.
- Memphis Veterans Medical Center1030 Jefferson Ave, Memphis, TN 38104 · Shelby CountyPhone(615) 355-3451
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Difronzo is affiliated with 4 sites of care and 3 medical groups
Dr. Difronzo's primary practice is Memphis Veterans Medical Center in Memphis, Tennessee. The medical group on file is Healthcare Services. Dmand AI also links Dr. Difronzo to 2 more group practices and clinics, 2 medical groups and 1 physician office, 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. Robert Difronzo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Difronzo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memphis Veterans Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Difronzo is one of 2,427 internists in Tennessee
Internal medicine is Dr. Difronzo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Difronzo is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Internists near Dr. Difronzo
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. Robert Difronzo billed Medicare for 22 services in 2024
CMS data shows 22 Medicare services from Dr. Difronzo across 1 procedure code in 2024, all of them office visits, for 21 Medicare patients. Medicare paid $1,527 for them. Every service was in an office.
Dr. Difronzo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 302024: 2227%
Dr. Difronzo compared with the Tennessee median for internists, 2024
- Dr. Difronzo
- Tennessee median
- Medicare services
- 22vs 67197% below
- Medicare patients
- 21vs 22291% below
- Part D claims
- 3,121vs 3349.3 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Difronzo'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. Difronzo and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Difronzo treated 21 Medicare patients in 2024, average age 70
CMS counts 21 Medicare patients who saw Dr. Difronzo in 2024. 71% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Difronzo's median patient age at 70, with 47% women.
Chronic conditions among Dr. Difronzo's Medicare patients, 2024
- High blood pressure71%
- High cholesterol71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Difronzo'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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Difronzo wrote 3,692 Medicare Part D claims in 2024
In 2024, Dr. Difronzo wrote 3,692 Medicare Part D claims for 447 patients. 89% of them were for generic drugs. CMS names the drug for 3,121 of them, across 76 drugs with 11 or more claims each, at $153,455 in total drug cost. In 2023, CMS named 5,026 claims across 95 drugs.
Dr. Difronzo's Part D claims by kind of drug, 2024
- Generic3,277 claims89%
- Brand-name389 claims11%
- Other26 claims1%
Dr. Difronzo'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. Difronzo's Part D claims, 2024
- Opioids2%74 of 3,692 claims
- Antibiotics6%205 of 3,692 claims
- Antipsychotics, patients 65 and over1%28 of 3,692 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: 5,0262024: 3,12138%
Drugs named by CMS: 76 in 2024, 95 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. Robert Difronzo received $959 in industry payments from 2016 to 2017
CMS Open Payments shows 19 general payments to Dr. Difronzo from 12 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $286.
General payments to Dr. Difronzo by program year, 2016 to 2017
Companies that paid Dr. Difronzo the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Difronzo'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 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) |
| 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. Robert Difronzo
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. Robert Difronzo's NPI number?
Dr. Robert Difronzo's NPI number is 1760498844. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Difronzo?
Dr. Robert Difronzo is an internist in Memphis, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Difronzo practice?
Dr. Difronzo practices at 1030 Jefferson Ave, Memphis, TN 38104. Dr. Difronzo's primary practice is Memphis Veterans Medical Center in Memphis, Tennessee. Dmand AI also links Dr. Difronzo to 2 group practices and clinics, 2 medical groups and 1 physician office.
What is Dr. Robert Difronzo's office phone number?
The practice phone on file for Dr. Difronzo is (615) 355-3451.
What is Dr. Robert Difronzo's medical license number?
Dr. Difronzo holds Florida license ME0057429.
What medical group is Dr. Robert Difronzo part of?
Dr. Difronzo is linked to Healthcare Services. Dmand AI links Dr. Difronzo to 2 more medical groups.
Does Dr. Robert Difronzo accept Medicare?
Yes. CMS data shows Dr. Difronzo billed Medicare for 22 services in 2024.
How many Medicare patients does Dr. Robert Difronzo see?
CMS counts 21 Medicare patients who saw Dr. Difronzo in 2024, with an average age of 70.
What services does Dr. Robert Difronzo bill to Medicare?
In 2024, Dr. Difronzo's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Robert Difronzo prescribe most?
In 2024 Medicare Part D data, Dr. Difronzo's most prescribed drugs by claims were Rosuvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Robert Difronzo received payments from drug or device companies?
CMS Open Payments shows $959 in general payments to Dr. Difronzo from 12 companies from 2016 to 2017. The largest total came from Amgen Inc.
How long has Dr. Robert Difronzo been practicing?
Dr. Difronzo graduated from medical school in 1986, 40 years ago.
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