Roswitha Elisabeth Breuer, MD
Family Medicine Physician · Perris, CA
Roswitha Elisabeth Breuer, MD is a family medicine physician with a practice address in Perris, California, and NPI 1316016389, issued on Nov 6, 2006. Check the license (California A36236, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roswitha Elisabeth Breuer
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A36236 CA
Self-reported in NPPES; status is on the state search - Practice location
- 146 E 4TH St, Perris, CA 92570
- Phone
- (951) 956-2152
- Enumerated
- Nov 6, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (951) 956-2154
- Medicaid ID
- 00A362360 CA
- Medicare enrollment
- Enrolled (PECOS I20070420000377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Roswitha Elisabeth Breuer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A36236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average family medicine physician in 2024
3,218 Medicare Part D claims for 262 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 95 claims were for opioids.
Most prescribed
- Hydrochlorothiazide240 claims
- Atorvastatin Calcium219 claims
- Benazepril Hcl207 claims
- Metformin Hcl193 claims
- Cephalexin182 claims
- Glipizide150 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.
Roswitha Elisabeth Breuer among 17,133 family medicine physician records in California
Roswitha Elisabeth Breuer, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1971 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Perris
They are 11 of the 849 NPPES records with a practice address in Perris, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Perris → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Barbara Ganchingco, D.O.Perris, CA 925701427314368
- Farangis Jalali, M.DPerris, CA 925701841312972
- Keyla Monterrey, M.D.Perris, CA 925701225229446
- Octavio Ruiz-Villalpando, MDPerris, CA 925701194832816
- Gabriel Martin Del Campo, M.D.Perris, CA 925711174597082
- Armando Navarro, MDPerris, CA 925711881334050
- Lida Poommipanit-Bajon, MDPerris, CA 925711861563413
- Gloria Ventura, M.D.Perris, CA 925711689094757
Common questions
What is Roswitha Elisabeth Breuer, MD's NPI number?
Roswitha Elisabeth Breuer, MD's National Provider Identifier (NPI) is 1316016389, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roswitha Elisabeth Breuer, MD located?
The NPPES record lists a practice address at 146 E 4TH St, Perris, CA, 92570. Phone: (951) 956-2152. Providers update this record themselves, so call before visiting.
How can I verify Roswitha Elisabeth Breuer, MD's license?
NPPES lists California license number A36236, 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 Roswitha Elisabeth Breuer, MD prescribe under Medicare Part D?
In 2024, Roswitha Elisabeth Breuer, MD had 3,218 Medicare Part D claims for 262 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.