Roswitha Breuer, MD
NPI 1316016389 · Family Medicine Physician · Perris, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roswitha Breuer, MD is a Family Medicine Physician provider in Perris, CA (NPI 1316016389).
Provider details
- NPI number
- 1316016389
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A36236 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
103 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $94 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 12 | $20 |
Typical Medicare-allowed amounts for these services range $20–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrochlorothiazide | 240 | 88 |
| Atorvastatin Calcium | 219 | 90 |
| Benazepril Hcl | 207 | 81 |
| Metformin Hcl | 193 | 64 |
| Cephalexin | 182 | 112 |
| Glipizide | 150 | 53 |
| Ibuprofen | 127 | 82 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2007-07-09
Frequently asked questions
- What is Roswitha Breuer's NPI number?
- Roswitha Breuer's National Provider Identifier (NPI) is 1316016389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roswitha Breuer's specialty?
- Roswitha Breuer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roswitha Breuer located?
- Roswitha Breuer's practice location on file with NPPES is 146 E 4th St, Perris, CA 92570-2125.
- What is Roswitha Breuer's phone number?
- The practice phone number listed in the NPPES registry for Roswitha Breuer is (951) 956-2152.
- Does Roswitha Breuer accept Medicare?
- Roswitha Breuer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roswitha Breuer's NPI active?
- Yes — Roswitha Breuer's NPI (1316016389) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.