Dr. Ronald G. Chambers I, MD
- Part D claims, 2024
- 39
- Industry payments
- $29
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 4174 Ashby Ct, Shasta Lake, CA 96019
- Practice phone
- Call (530) 275-3094
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD)
Physician office · Shasta Lake, California
Find Dr. Chambers' 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 G. Chambers I is a family medicine physician in Sacramento, California
Dr. Chambers practices at Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD) in Shasta Lake, California.
Dr. Chambers' NPI, 1215920319, was assigned on August 24, 2005. Dr. Chambers graduated from UCSF School of Medicine in 1973. Dr. Chambers holds California license G27170.
- NPI
- 1215920319NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2005
- NPI status
- Active
- Practice phone
- (530) 275-3094
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald G. Chambers I practices in Shasta Lake and Sacramento
Dr. Chambers' primary practice is Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD), at 4174 Ashby Ct, Shasta Lake, CA 96019. The practice phone is (530) 275-3094. The NPI Registry lists Dr. Chambers' practice address as 2315 Stockton Blvd, Sacramento, CA 95817.
- Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD)Primary4174 Ashby Ct, Shasta Lake, CA 96019Phone(530) 275-3094
- NPI Registry address2315 Stockton Blvd, Sacramento, CA 95817 · Sacramento CountyPhone(530) 275-3094
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ronald G. Chambers I is affiliated with 1 site of care
Dr. Chambers' primary practice is Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD) in Shasta Lake, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ronald G. Chambers I's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chambers practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald G. Chambers I is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chambers' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chambers is board certified in family medicine by the American Board of Family Medicine. Dr. Chambers is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Chambers
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 G. Chambers I's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Chambers' median patient age at 57, with 60% women.
Dr. Chambers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women60%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Ronald G. Chambers I wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Chambers wrote 39 Medicare Part D claims. 82% of them were for generic drugs.
Dr. Chambers' Part D claims by kind of drug, 2024
- Generic32 claims82%
- Brand-name and other7 claims18%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
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Dr. Ronald G. Chambers I received $29 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Chambers from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $29.
Companies that paid Dr. Chambers the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald G. Chambers I graduated from UCSF School of Medicine
Dr. Chambers graduated from UCSF School of Medicine in 1973.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald G. Chambers I'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) |
| 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 G. Chambers I
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 G. Chambers I's NPI number?
Dr. Ronald G. Chambers I's NPI number is 1215920319. It was assigned on August 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald G. Chambers I?
Dr. Ronald G. Chambers I is a family medicine physician in Sacramento, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ronald G. Chambers I practice?
Dr. Chambers practices at 4174 Ashby Ct, Shasta Lake, CA 96019. Dr. Chambers also practices at 2315 Stockton Blvd, Sacramento, CA 95817. Dr. Chambers' primary practice is Ronald G. Chambers, M.D., Inc. (Ronald Chambers, MD) in Shasta Lake, California.
What is Dr. Ronald G. Chambers I's office phone number?
The practice phone on file for Dr. Chambers is (530) 275-3094.
What is Dr. Ronald G. Chambers I's medical license number?
Dr. Chambers holds California license G27170.
Is Dr. Ronald G. Chambers I board certified?
Yes. Dr. Chambers is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Ronald G. Chambers I go to medical school?
Dr. Chambers graduated from UCSF School of Medicine in 1973.
Has Dr. Ronald G. Chambers I received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Dr. Chambers from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Ronald G. Chambers I been practicing?
Dr. Chambers graduated from medical school in 1973, 53 years ago.
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