Regis J. Britto, MD
Internal Medicine Physician · Redding, CA
Regis J. Britto, MD is an internal medicine physician with a practice address in Redding, California, and NPI 1790824340, issued on Feb 6, 2007. Check the license (California A46636, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Regis J. Britto
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A46636 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1555 East St Ste 330B, Redding, CA 96001
- Phone
- (530) 241-9450
- Enumerated
- Feb 6, 2007
- Record last updated
- Jun 9, 2026
- Fax
- (530) 241-5920
- Medicare enrollment
- Enrolled (PECOS I20110415000398); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Regis J. Britto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A46636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,967 Medicare Part D claims for 648 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 295 claims were for opioids.
Most prescribed
- Atorvastatin Calcium450 claims
- Levothyroxine Sodium422 claims
- Amlodipine Besylate314 claims
- Lisinopril307 claims
- Metformin Hcl275 claims
- Losartan Potassium254 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $110.13
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Regis J. Britto among 17,696 internal medicine physician records in California
Regis J. Britto, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Redding
They are 38 of the 3,572 NPPES records with a practice address in Redding, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redding → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fernando Alvarez, M.D.Redding, CA 960011801804901
- Than Aung, MDRedding, CA 960011578504841
- Stephen Casey, M.D.Redding, CA 960011902973480
- William Devlaming, M.D.Redding, CA 960011023080488
- James Hardy, M.D.Redding, CA 960011881689016
- Lily Jamm, M.D.Redding, CA 960011700971769
- Carolyn Lintner, M.D.Redding, CA 960011558303008
- Olivia Mansilla, MDRedding, CA 960011376563189
Common questions
What is Regis J. Britto, MD's NPI number?
Regis J. Britto, MD's National Provider Identifier (NPI) is 1790824340, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Regis J. Britto, MD located?
The NPPES record lists a practice address at 1555 East St Ste 330B, Redding, CA, 96001. Phone: (530) 241-9450. Providers update this record themselves, so call before visiting.
How can I verify Regis J. Britto, MD's license?
NPPES lists California license number A46636, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Regis J. Britto, MD prescribe under Medicare Part D?
In 2024, Regis J. Britto, MD had 7,967 Medicare Part D claims for 648 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.