Dr. Robert G. Leon I, MD
- Medicare services, 2017
- 282
- Part D claims, 2018
- 21
- Industry payments
- $50
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 3271 N Civic Center Plz, Scottsdale, AZ 85251-6990
- Practice phone
- Call (480) 949-1260
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scottsdale Gastroenterologist
Physician office · Scottsdale, Arizona
Find Dr. Leon'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 G. Leon I is a gastroenterologist in Paradise Valley, Arizona
Dr. Leon practices at Scottsdale Gastroenterologist in Scottsdale, Arizona.
Dr. Leon's NPI, 1255338414, was assigned on July 2, 2005. Dr. Leon holds Arizona license 8901.
- NPI
- 1255338414NPI Registry (opens in a new tab)
- NPI enumeration date
- July 2, 2005
- NPI status
- Active
- Practice phone
- (480) 949-1260
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert G. Leon I practices in Scottsdale and Paradise Valley
Dr. Leon's primary practice is Scottsdale Gastroenterologist, at 3271 N Civic Center Plz, Scottsdale, AZ 85251-6990. The practice phone is (480) 949-1260. The NPI Registry lists Dr. Leon's practice address as 4710 E White Dr, Paradise Valley, AZ 85253-2416.
- Scottsdale GastroenterologistPrimary3271 N Civic Center Plz, Scottsdale, AZ 85251-6990Phone(480) 949-1260
- NPI Registry address4710 E White Dr, Paradise Valley, AZ 85253-2416Phone(602) 319-1975
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert G. Leon I is affiliated with 1 site of care
Dr. Leon's primary practice is Scottsdale Gastroenterologist in Scottsdale, Arizona.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert G. Leon I's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scottsdale Gastroenterologist | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert G. Leon I is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Leon's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Leon is licensed in Arizona.
Specialties and state licenses
- Gastroenterology, ArizonaPrimary
Gastroenterologists near Dr. Leon
Counts of gastroenterologists 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 G. Leon I billed Medicare for 282 services in 2017
CMS data shows 282 Medicare services from Dr. Leon across 8 procedure codes in 2017. Medicare paid $23,019 for them.
Dr. Leon's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 2352017: 19617%
- Surgery
- 2016: 512017: 494%
- Other services
- 2016: 362017: 373%
Where Dr. Leon's Medicare services took place, 2017
- In an office19670%
- In a facility8630%
Dr. Leon compared with the Arizona median for gastroenterologists, 2017
- Dr. Leon
- Arizona median
- Medicare services
- 282vs 50844% below
- Part D claims
- 21vs 31093% below
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Leon's most billed Medicare procedure codes, 2017
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. Leon and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert G. Leon I's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Leon's median patient age at 79, with 20% women.
Dr. Leon'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
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
Dr. Robert G. Leon I wrote 21 Medicare Part D claims in 2018
In 2018, Dr. Leon wrote 21 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $362 in total drug cost. In 2017, CMS named 337 claims across 6 drugs.
Dr. Leon's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 3372018: 2194%
Drugs named by CMS: 1 in 2018, 6 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert G. Leon I received $50 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Leon from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $25.
General payments to Dr. Leon by program year, 2016 to 2019
Companies that paid Dr. Leon 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 G. Leon I'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 G. Leon I
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 G. Leon I's NPI number?
Dr. Robert G. Leon I's NPI number is 1255338414. It was assigned on July 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert G. Leon I?
Dr. Robert G. Leon I is a gastroenterologist in Paradise Valley, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert G. Leon I practice?
Dr. Leon practices at 3271 N Civic Center Plz, Scottsdale, AZ 85251-6990. Dr. Leon also practices at 4710 E White Dr, Paradise Valley, AZ 85253-2416. Dr. Leon's primary practice is Scottsdale Gastroenterologist in Scottsdale, Arizona.
What is Dr. Robert G. Leon I's office phone number?
The practice phone on file for Dr. Leon is (480) 949-1260.
What is Dr. Robert G. Leon I's medical license number?
Dr. Leon holds Arizona license 8901.
Does Dr. Robert G. Leon I accept Medicare?
Yes. CMS data shows Dr. Leon billed Medicare for 282 services in 2017.
What services does Dr. Robert G. Leon I bill to Medicare?
In 2017, Dr. Leon's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: digestive system (43239).
What drugs does Dr. Robert G. Leon I prescribe most?
In 2018 Medicare Part D data, Dr. Leon's most prescribed drugs by claims were Omeprazole.
Has Dr. Robert G. Leon I received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Leon from 3 companies from 2016 to 2019. The largest total came from Shire North American Group Inc.
How long has Dr. Robert G. Leon I been practicing?
Dr. Leon's NPI was assigned in 2005.
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