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Dr. Ronald Chapman, MD
NPI1629006333
- Publications
- 1
- Industry payments
- $11
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 275 Beck Ave, Fairfield, CA 94533-6804
- Practice phone
- Call (707) 784-8604
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chapman'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 Chapman is a family medicine physician in Fairfield, California
Dr. Chapman practices in Fairfield, California.
Dr. Chapman's NPI, 1629006333, was assigned on June 29, 2006. Dr. Chapman holds California license G74035.
NPI and contact details
- NPI
- 1629006333NPI Registry (opens in a new tab)
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Practice phone
- (707) 784-8604
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Ronald Chapman's practice address is in Fairfield, California
Dr. Chapman's practice address in the NPI Registry is 275 Beck Ave, Fairfield, CA 94533-6804. The practice phone is (707) 784-8604.
- NPI Registry address275 Beck Ave, Fairfield, CA 94533-6804Phone(707) 784-8604
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ronald Chapman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chapman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chapman's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ronald Chapman is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chapman's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chapman is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Chapman
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. Ronald Chapman has 1 publication on record
Dmand AI links 1 paper to Dr. Chapman.
Papers1
Recent publications by Dr. Chapman
See who Dr. Chapman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chapman works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ronald Chapman received $11 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Chapman from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $11.
Companies that paid Dr. Chapman the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ronald Chapman'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 Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ronald Chapman
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 Chapman's NPI number?
Dr. Ronald Chapman's NPI number is 1629006333. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Chapman?
Dr. Ronald Chapman is a family medicine physician in Fairfield, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ronald Chapman practice?
Dr. Chapman practices at 275 Beck Ave, Fairfield, CA 94533-6804.
What is Dr. Ronald Chapman's office phone number?
The practice phone on file for Dr. Chapman is (707) 784-8604.
What is Dr. Ronald Chapman's medical license number?
Dr. Chapman holds California license G74035.
Has Dr. Ronald Chapman received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Chapman from 1 company from 2017 to 2017. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Ronald Chapman been practicing?
Dr. Chapman's NPI was assigned in 2006.
Does Dr. Ronald Chapman do research?
Dmand AI links 1 publication to Dr. Chapman.
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