Dr. Ronald J. Field, MD
- Part D claims, 2024
- 14
- Publications
- 1
- Industry payments
- $15
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 1108 Vine St, Paso Robles, CA 93446
- Practice phone
- Call (808) 523-9422
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North County Pediatrics
Physician office · Paso Robles, California
Find Dr. Field'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 J. Field is a pediatrician in Santa Maria, California
Dr. Field practices at North County Pediatrics in Paso Robles, California.
Dr. Field's NPI, 1427034602, was assigned on December 19, 2005. Dr. Field graduated from Tufts University School Of Medicine in 1971. Dr. Field holds California license G23915.
- NPI
- 1427034602NPI Registry (opens in a new tab)
- NPI enumeration date
- December 19, 2005
- NPI status
- Active
- Practice phone
- (808) 523-9422
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald J. Field practices in Paso Robles and Santa Maria
Dr. Field's primary practice is North County Pediatrics, at 1108 Vine St, Paso Robles, CA 93446. The practice phone is (808) 523-9422. The NPI Registry lists Dr. Field's practice address as 1400 E Church St, Santa Maria, CA 93454.
- North County PediatricsPrimary1108 Vine St, Paso Robles, CA 93446Phone(808) 523-9422
- NPI Registry address1400 E Church St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 239-4222
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ronald J. Field is affiliated with 1 site of care
Dr. Field's primary practice is North County Pediatrics in Paso Robles, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ronald J. Field's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Field practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North County Pediatrics | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald J. Field is one of 8,236 pediatricians in California
Pediatrics is Dr. Field's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Field is board certified in pediatrics by the American Board of Pediatrics. Dr. Field is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Field
Counts of pediatricians 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 J. Field's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Field's median patient age at 15, with 100% women.
Dr. Field's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Ronald J. Field wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Field wrote 14 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Ronald J. Field has 1 publication on record
Dmand AI links 1 paper to Dr. Field.
Recent publications by Dr. Field
See who Dr. Field researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Field works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ronald J. Field received $15 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Field from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $15.
Companies that paid Dr. Field the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald J. Field graduated from Tufts University School Of Medicine
Dr. Field graduated from Tufts University School Of Medicine in 1971.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald J. Field'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 J. Field
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 J. Field's NPI number?
Dr. Ronald J. Field's NPI number is 1427034602. It was assigned on December 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald J. Field?
Dr. Ronald J. Field is a pediatrician in Santa Maria, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Ronald J. Field practice?
Dr. Field practices at 1108 Vine St, Paso Robles, CA 93446. Dr. Field also practices at 1400 E Church St, Santa Maria, CA 93454. Dr. Field's primary practice is North County Pediatrics in Paso Robles, California.
What is Dr. Ronald J. Field's office phone number?
The practice phone on file for Dr. Field is (808) 523-9422.
What is Dr. Ronald J. Field's medical license number?
Dr. Field holds California license G23915.
Is Dr. Ronald J. Field board certified?
Yes. Dr. Field is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Ronald J. Field go to medical school?
Dr. Field graduated from Tufts University School Of Medicine in 1971.
Has Dr. Ronald J. Field received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Field from 1 company from 2018 to 2018. The largest total came from Shire North American Group Inc.
How long has Dr. Ronald J. Field been practicing?
Dr. Field graduated from medical school in 1971, 55 years ago.
Does Dr. Ronald J. Field do research?
Dmand AI links 1 publication to Dr. Field.
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