Karl Breitweiser, D.O.
NPI 1154384931 · Family Medicine Physician · Jenison, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Breitweiser, D.O. is a Family Medicine Physician provider in Jenison, MI (NPI 1154384931).
Provider details
- NPI number
- 1154384931
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101012597 (MI)
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
20 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
289 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 | 161 | $71 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $62 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 36 | $45 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 14 | $90 |
Typical Medicare-allowed amounts for these services range $45–$90 (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 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 558 | 179 |
| Omeprazole | 253 | 79 |
| Metoprolol Succinate | 243 | 81 |
| Lisinopril | 242 | 76 |
| Levothyroxine Sodium | 221 | 64 |
| Gabapentin | 213 | 51 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-11
- Last updated
- 2017-12-01
Frequently asked questions
- What is Karl Breitweiser's NPI number?
- Karl Breitweiser's National Provider Identifier (NPI) is 1154384931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Breitweiser's specialty?
- Karl Breitweiser is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Breitweiser located?
- Karl Breitweiser's practice location on file with NPPES is 7686 Georgetown Center Dr, Jenison, MI 49428-8101.
- What is Karl Breitweiser's phone number?
- The practice phone number listed in the NPPES registry for Karl Breitweiser is (616) 252-8600.
- Does Karl Breitweiser accept Medicare?
- Karl Breitweiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Breitweiser's NPI active?
- Yes — Karl Breitweiser's NPI (1154384931) is active in the NPPES registry as of the last update on 2017-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.