Dr. Robert Bruce Leff, MD
- Medicare services, 2021
- 1,030
- Part D claims, 2022
- 58
- Industry payments
- $461
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1200 N El Dorado Pl, Tucson, AZ 85715-4637
- Practice phone
- Call (520) 298-8127
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Personal Primary Care
Primary care practice · Tucson, Arizona
Find Dr. Leff'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 Bruce Leff is an internist in Tucson, Arizona
Dr. Leff practices at Personal Primary Care in Tucson, Arizona.
Dr. Leff's NPI, 1063460442, was assigned on May 5, 2006. Dr. Leff holds Arizona license 8350.
- NPI
- 1063460442NPI Registry (opens in a new tab)
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Practice phone
- (520) 298-8127
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Bruce Leff practices at 2 locations in Tucson, Arizona
Dr. Leff's primary practice is Personal Primary Care, at 1200 N El Dorado Pl, Tucson, AZ 85715-4637. The practice phone is (520) 298-8127. The NPI Registry lists Dr. Leff's practice address as 5301 E Grant Rd, Tucson, AZ 85712.
- Personal Primary CarePrimary1200 N El Dorado Pl, Tucson, AZ 85715-4637Phone(520) 298-8127
- NPI Registry address5301 E Grant Rd, Tucson, AZ 85712 · Pima CountyPhone(520) 298-8127
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Robert Bruce Leff is affiliated with 1 site of care and 1 medical group
Dr. Leff's primary practice is Personal Primary Care in Tucson, Arizona. Dmand AI also links Dr. Leff to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert Bruce Leff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Personal Primary Care | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Bruce Leff is one of 2,420 internists in Arizona
Internal medicine is Dr. Leff's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leff is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Leff
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 Bruce Leff billed Medicare for 1,030 services in 2021
CMS data shows 1,030 Medicare services from Dr. Leff across 10 procedure codes in 2021. Medicare paid $64,964 for them. Every service was in an office.
Dr. Leff's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 6802021: 46532%
- Surgery
- 2020: 2912021: 22921%
- Other services
- 2020: 3752021: 21842%
- Tests and treatments
- 2020: 1392021: 8340%
- Lab and pathology
- 2020: 382021: 358%
Dr. Leff compared with the Arizona median for internists, 2021
- Dr. Leff
- Arizona median
- Medicare services
- 1,030vs 4762.2 times
- Part D claims
- 58vs 26078% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Leff's most billed Medicare procedure codes, 2021
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. Leff and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Bruce Leff's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Leff's median patient age at 79, with 60% women.
Dr. Leff'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
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Robert Bruce Leff wrote 58 Medicare Part D claims in 2022
In 2022, Dr. Leff wrote 58 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $977 in total drug cost. In 2021, CMS named 2,032 claims across 53 drugs.
Dr. Leff's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2,0322022: 5897%
Drugs named by CMS: 3 in 2022, 53 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Bruce Leff received $461 in industry payments from 2016 to 2019
CMS Open Payments shows 34 general payments to Dr. Leff from 18 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 98% of the total. Arbor Pharmaceuticals, Inc. paid the most, $79.
General payments to Dr. Leff by program year, 2016 to 2019
General payments to Dr. Leff by kind, 2016 to 2019
- Food and beverage$45098%
- Education$112%
Companies that paid Dr. Leff the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Bruce Leff'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Bruce Leff
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 Bruce Leff's NPI number?
Dr. Robert Bruce Leff's NPI number is 1063460442. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Bruce Leff?
Dr. Robert Bruce Leff is an internist in Tucson, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Bruce Leff practice?
Dr. Leff practices at 1200 N El Dorado Pl, Tucson, AZ 85715-4637. Dr. Leff also practices at 5301 E Grant Rd, Tucson, AZ 85712. Dr. Leff's primary practice is Personal Primary Care in Tucson, Arizona. Dmand AI also links Dr. Leff to 1 medical group.
What is Dr. Robert Bruce Leff's office phone number?
The practice phone on file for Dr. Leff is (520) 298-8127.
What is Dr. Robert Bruce Leff's medical license number?
Dr. Leff holds Arizona license 8350.
Does Dr. Robert Bruce Leff accept Medicare?
Yes. CMS data shows Dr. Leff billed Medicare for 1,030 services in 2021.
What services does Dr. Robert Bruce Leff bill to Medicare?
In 2021, Dr. Leff's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99215).
What drugs does Dr. Robert Bruce Leff prescribe most?
In 2022 Medicare Part D data, Dr. Leff's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Robert Bruce Leff received payments from drug or device companies?
CMS Open Payments shows $461 in general payments to Dr. Leff from 18 companies from 2016 to 2019. The largest total came from Arbor Pharmaceuticals, Inc.
How long has Dr. Robert Bruce Leff been practicing?
Dr. Leff's NPI was assigned in 2006.
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