Dr. Richard Scott Leon, MD
- Medicare services, 2021
- 17
- Part D claims, 2024
- 357
- Hospital affiliations
- 1
- Industry payments
- $23
- Medical groups
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leon's professional email, personal email and mobile number
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Dr. Richard Scott Leon is a family medicine physician in Fontana, California
Dr. Leon practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Leon's NPI, 1972562841, was assigned on March 20, 2006. Dr. Leon graduated from Loma Linda University School Of Medicine in 1998. Dr. Leon's Idaho license number on file is M-11434.
- NPI
- 1972562841NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800700949
- NPI enumeration date
- March 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard Scott Leon practices at Fontana Medical Center in Fontana, California
Dr. Leon's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Richard Scott Leon is affiliated with 2 sites of care and 2 medical groups
Dr. Leon's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Leon to 1 more group practice or clinic 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. Richard Scott Leon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | 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. Richard Scott Leon is one of 15,680 family medicine physicians in California
Family medicine is Dr. Leon's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Leon is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Leon's licenses on file in 3 states: Idaho, California and Washington.
Specialties and state licenses
- Family medicine, IdahoPrimary
- California license
- Washington license
Clinical focus
Dmand AI lists muscle pain, fibromyalgia, and limb pain among the conditions Dr. Leon treats.
Family medicine physicians near Dr. Leon
Counts of family 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. Richard Scott Leon billed Medicare for 17 services in 2021
CMS data shows 17 Medicare services from Dr. Leon across 1 procedure code in 2021, all of them office visits. Medicare paid $1,177 for them. Every service was in an office.
Dr. Leon's Medicare services by type, 2017 to 2021
- 2017
- 2021
- Office and hospital visits
- 2017: 3052021: 1794%
- Drugs given in the office
- 2017: 702021: 0100%
- Imaging
- 2017: 492021: 0100%
- Lab and pathology
- 2017: 1752021: 0100%
- Tests and treatments
- 2017: 462021: 0100%
- Surgery
- 2017: 372021: 0100%
Dr. Leon compared with the California median for family medicine physicians, 2021
- Dr. Leon
- California median
- Medicare services
- 17vs 24693% below
- Part D claims
- 178vs 83379% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Leon'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. Leon and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard Scott Leon's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Leon's median patient age at 37, with 64% 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 37
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Richard Scott Leon wrote 357 Medicare Part D claims in 2024
In 2024, Dr. Leon wrote 357 Medicare Part D claims for 236 patients. 90% of them were for generic drugs. CMS names the drug for 178 of them, across 8 drugs with 11 or more claims each, at $2,164 in total drug cost. In 2023, CMS named 208 claims across 11 drugs.
Dr. Leon's Part D claims by kind of drug, 2024
- Generic322 claims90%
- Brand-name35 claims10%
Dr. Leon'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. Leon's Part D claims, 2024
- Opioids6%21 of 357 claims
- Antibiotics37%133 of 357 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: 2082024: 17814%
Drugs named by CMS: 8 in 2024, 11 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
How Dr. Richard Scott Leon takes part in Medicare
Dr. Leon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Richard Scott Leon received $23 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Leon from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Hollister Incorporated paid the most, $23.
Companies that paid Dr. Leon the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard Scott Leon graduated from Loma Linda University School Of Medicine
Dr. Leon graduated from Loma Linda University School Of Medicine in 1998.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Richard Scott Leon accepts plans from 2 insurance carriers
Dr. Leon is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Leon accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard Scott Leon'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 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) |
| 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) |
| 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. Richard Scott Leon
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. Richard Scott Leon's NPI number?
Dr. Richard Scott Leon's NPI number is 1972562841. It was assigned on March 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Scott Leon?
Dr. Richard Scott Leon is a family medicine physician in Fontana, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Richard Scott Leon practice?
Dr. Leon practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Leon's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dmand AI also links Dr. Leon to 1 group practice or clinic and 1 medical group.
What is Dr. Richard Scott Leon's office phone number?
The practice phone on file for Dr. Leon is (909) 427-5000.
What is Dr. Richard Scott Leon's medical license number?
Dr. Leon's Idaho license number on file is M-11434, one of the licenses on file in 3 states.
Which states has Dr. Richard Scott Leon been licensed in?
Dmand AI has state licenses on file for Dr. Leon in Idaho (2011 to 2018), California (2001 to 2026) and Washington (2011 to 2018).
Which hospitals is Dr. Richard Scott Leon affiliated with?
Dr. Leon practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Richard Scott Leon part of?
Dr. Leon is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Leon to 1 more medical group.
Does Dr. Richard Scott Leon accept Medicare?
Yes. CMS data shows Dr. Leon billed Medicare for 17 services in 2021, and Dr. Leon accepts Medicare assignment.
Is Dr. Richard Scott Leon board certified?
Yes. Dr. Leon is board certified in family medicine by the American Board of Family Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Richard Scott Leon bill to Medicare?
In 2021, Dr. Leon's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Richard Scott Leon go to medical school?
Dr. Leon graduated from Loma Linda University School Of Medicine in 1998.
What drugs does Dr. Richard Scott Leon prescribe most?
In 2024 Medicare Part D data, Dr. Leon's most prescribed drugs by claims were Cephalexin, Lactulose and Prednisone.
Has Dr. Richard Scott Leon received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Leon from 1 company from 2022 to 2022. The largest total came from Hollister Incorporated.
How long has Dr. Richard Scott Leon been practicing?
Dr. Leon graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Richard Scott Leon accept?
Dr. Leon is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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