Dr. Ronald Jefferson, MD
- Medicare services, 2018
- 84
- Part D claims, 2024
- 3,912
- Industry payments
- $143,980
- Affiliated sites
- 1
- Insurance carriers
- 7
- Practice address
- 1303 W 6th Street, Corona, CA 92882
- Practice phone
- Call (951) 376-3097
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Centro Medico Community Clinic - Corona
FQHC - Main Site · Corona, California
Find Dr. Jefferson'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. Ronald Jefferson is a general practice physician in Corona, California
Dr. Jefferson practices at Centro Medico Community Clinic - Corona in Corona, California.
Dr. Jefferson's NPI, 1730389800, was assigned on July 18, 2007. Dr. Jefferson graduated from University Of Michigan Medical School in 1974. Dr. Jefferson holds California license G29488.
- NPI
- 1730389800NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2007
- NPI status
- Active
- Practice phone
- (951) 376-3097
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald Jefferson practices at Centro Medico Community Clinic - Corona in Corona, California
Dr. Jefferson's primary practice is Centro Medico Community Clinic - Corona, at 1303 W 6th Street, Corona, CA 92882. The practice phone is (951) 376-3097.
- Centro Medico Community Clinic - Corona1303 W 6th Street, Corona, CA 92882Phone(951) 376-3097
Source: Dmand AI Affiliation Data
Dr. Ronald Jefferson is affiliated with 1 site of care
Dr. Jefferson's primary practice is Centro Medico Community Clinic - Corona in Corona, California. Dr. Jefferson's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald Jefferson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jefferson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Centro Medico Community Clinic - Corona | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald Jefferson is one of 1,526 general practice physicians in California
General practice is Dr. Jefferson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Jefferson is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Jefferson's licenses on file in 3 states: California, Michigan and Georgia.
Specialties and state licenses
- General practice, CaliforniaPrimary
- Michigan license
- Georgia license
Clinical focus
Dmand AI lists asthma, chronic diabetes, chronic hypertension, hiv/aids, joint pain, obesity, skin cyst and tobacco use among the conditions Dr. Jefferson treats.
General practice physicians near Dr. Jefferson
Counts of general practice 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. Ronald Jefferson billed Medicare for 84 services in 2018
CMS data shows 84 Medicare services from Dr. Jefferson across 1 procedure code in 2018, all of them office visits. Medicare paid $1,455 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Jefferson's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2952018: 8472%
- Surgery
- 2017: 1442018: 0100%
Dr. Jefferson compared with the California median for general practice physicians, 2018
- Dr. Jefferson
- California median
- Medicare services
- 84vs 26268% below
- Part D claims
- 3,516vs 19218.3 times
Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.
Dr. Jefferson's most billed Medicare procedure codes, 2018
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. Jefferson and other general practice physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ronald Jefferson's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Jefferson's median patient age at 56, with 43% women.
Dr. Jefferson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Ronald Jefferson wrote 3,912 Medicare Part D claims in 2024
In 2024, Dr. Jefferson wrote 3,912 Medicare Part D claims for 184 patients. 69% of them were for generic drugs. CMS names the drug for 3,516 of them, across 76 drugs with 11 or more claims each, at $2,860,594 in total drug cost. In 2023, CMS named 3,223 claims across 76 drugs.
Dr. Jefferson's Part D claims by kind of drug, 2024
- Generic2,700 claims69%
- Brand-name1,158 claims30%
- Other54 claims1%
Dr. Jefferson'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. Jefferson's Part D claims, 2024
- Opioids1%55 of 3,912 claims
- Antibiotics2%76 of 3,912 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: 3,2232024: 3,5169%
Drugs named by CMS: 76 in 2024, 76 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. Ronald Jefferson received $143,980 in industry payments from 2016 to 2025
CMS Open Payments shows 655 general payments to Dr. Jefferson from 17 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 80% of the total. Gilead Sciences, Inc. paid the most, $109,634.
General payments to Dr. Jefferson by program year, 2016 to 2025
General payments to Dr. Jefferson by kind, 2016 to 2025
- Speaker and faculty fees$115,48080%
- Food and beverage$13,93510%
- Travel and lodging$9,6277%
- Consulting fees$4,4203%
- Education$5190%
Companies that paid Dr. Jefferson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald Jefferson graduated from University Of Michigan Medical School
Dr. Jefferson graduated from University Of Michigan Medical School in 1974.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ronald Jefferson accepts plans from 7 insurance carriers
Dr. Jefferson is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- Humana
Plan types Dr. Jefferson accepts, by number of carriers
- Medicare6
- PPO4
- HMO3
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ronald Jefferson'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) |
| 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. Ronald Jefferson
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. Ronald Jefferson's NPI number?
Dr. Ronald Jefferson's NPI number is 1730389800. It was assigned on July 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Jefferson?
Dr. Ronald Jefferson is a general practice physician in Corona, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Ronald Jefferson practice?
Dr. Jefferson practices at 1303 W 6th Street, Corona, CA 92882. Dr. Jefferson's primary practice is Centro Medico Community Clinic - Corona in Corona, California.
What is Dr. Ronald Jefferson's office phone number?
The practice phone on file for Dr. Jefferson is (951) 376-3097.
What is Dr. Ronald Jefferson's medical license number?
Dr. Jefferson holds California license G29488, one of the licenses on file in 3 states.
Which states has Dr. Ronald Jefferson been licensed in?
Dmand AI has state licenses on file for Dr. Jefferson in California (1975 to 2026), Michigan and Georgia (1992 to 1993).
Does Dr. Ronald Jefferson accept Medicare?
Yes. CMS data shows Dr. Jefferson billed Medicare for 84 services in 2018.
Is Dr. Ronald Jefferson board certified?
Yes. Dr. Jefferson is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ronald Jefferson bill to Medicare?
In 2018, Dr. Jefferson's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Ronald Jefferson go to medical school?
Dr. Jefferson graduated from University Of Michigan Medical School in 1974.
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What drugs does Dr. Ronald Jefferson prescribe most?
In 2024 Medicare Part D data, Dr. Jefferson's most prescribed drugs by claims were Biktarvy, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Ronald Jefferson received payments from drug or device companies?
CMS Open Payments shows $143,980 in general payments to Dr. Jefferson from 17 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Ronald Jefferson been practicing?
Dr. Jefferson graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Ronald Jefferson accept?
Dr. Jefferson is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, LA Care and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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