Dr. Ronald D. Johnson, MD
- Medicare services, 2017
- 15
- Part D claims, 2017
- 13
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 376 Vallombrosa Ave, Chico, CA 95926-3900
- Practice phone
- Call (530) 891-1676
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chico Immediate Care Medical Center
Urgent care · Chico, California
Find Dr. Johnson'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 D. Johnson is a general practice physician in Chico, California
Dr. Johnson practices at Chico Immediate Care Medical Center in Chico, California.
Dr. Johnson's NPI, 1578603122, was assigned on February 6, 2007. Dr. Johnson holds California license G42116.
- NPI
- 1578603122NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Practice phone
- (530) 891-1676
- 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 Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald D. Johnson practices at Chico Immediate Care Medical Center in Chico, California
Dr. Johnson's primary practice is Chico Immediate Care Medical Center, at 376 Vallombrosa Ave, Chico, CA 95926-3900. The practice phone is (530) 891-1676.
- Chico Immediate Care Medical Center376 Vallombrosa Ave, Chico, CA 95926-3900Phone(530) 891-1676
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald D. Johnson is affiliated with 1 site of care and 1 medical group
Dr. Johnson's primary practice is Chico Immediate Care Medical Center in Chico, California. Dmand AI also links Dr. Johnson to 1 medical group, named with a free account.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ronald D. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chico Immediate Care Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald D. Johnson is one of 1,526 general practice physicians in California
General practice is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Johnson is licensed in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Dr. Johnson
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 D. Johnson billed Medicare for 15 services in 2017
CMS data shows 15 Medicare services from Dr. Johnson across 1 procedure code in 2017, all of them office visits. Medicare paid $757 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 782017: 1581%
Dr. Johnson compared with the California median for general practice physicians, 2017
- Dr. Johnson
- California median
- Medicare services
- 15vs 26294% below
- Part D claims
- 13vs 19293% below
Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.
Dr. Johnson'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. Johnson 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 D. Johnson's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 63, with 56% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Ronald D. Johnson wrote 13 Medicare Part D claims in 2017
In 2017, Dr. Johnson wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $24 in total drug cost. In 2016, CMS named 39 claims across 2 drugs.
Dr. Johnson's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 392017: 1367%
Drugs named by CMS: 1 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Ronald D. Johnson'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)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) |
| 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 D. Johnson
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 D. Johnson's NPI number?
Dr. Ronald D. Johnson's NPI number is 1578603122. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald D. Johnson?
Dr. Ronald D. Johnson is a general practice physician in Chico, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Ronald D. Johnson practice?
Dr. Johnson practices at 376 Vallombrosa Ave, Chico, CA 95926-3900. Dr. Johnson's primary practice is Chico Immediate Care Medical Center in Chico, California. Dmand AI also links Dr. Johnson to 1 medical group, and a free account names each one.
What is Dr. Ronald D. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (530) 891-1676. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Ronald D. Johnson's email address?
Dmand AI checks professional and personal email addresses for Dr. Johnson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Ronald D. Johnson's medical license number?
Dr. Johnson holds California license G42116.
What medical group is Dr. Ronald D. Johnson part of?
Dmand AI links Dr. Johnson to 1 medical group. A free account names the group, with the clinicians and leaders there.
Does Dr. Ronald D. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 15 services in 2017.
What services does Dr. Ronald D. Johnson bill to Medicare?
In 2017, Dr. Johnson's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Ronald D. Johnson prescribe most?
In 2017 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Losartan Potassium.
How long has Dr. Ronald D. Johnson been practicing?
Dr. Johnson's NPI was assigned in 2007.
What EHR does Dr. Ronald D. Johnson's practice use?
Dmand AI tracks the EHR system at Chico Immediate Care Medical Center and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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