Benjamin Kaster, M.D.
NPI 1881033298 · Family Medicine Physician · Wausau, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Kaster, M.D. is a Family Medicine Physician provider in Wausau, WI (NPI 1881033298).
Provider details
- NPI number
- 1881033298
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- FK5018014 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
497 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 405 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 61 | $107 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 31 | $111 |
Typical Medicare-allowed amounts for these services range $73–$111 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 63 | 16 |
| Atorvastatin Calcium | 62 | 13 |
| Empagliflozinbrand: Jardiance | 26 | 11 |
| Furosemide | 21 | — |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 20 | — |
| Pantoprazole Sodium | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-19
- Last updated
- 2016-08-20
Frequently asked questions
- What is Benjamin Kaster's NPI number?
- Benjamin Kaster's National Provider Identifier (NPI) is 1881033298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Kaster's specialty?
- Benjamin Kaster is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Kaster located?
- Benjamin Kaster's practice location on file with NPPES is 333 Pine Ridge Blvd, Wausau, WI 54401-4149.
- What is Benjamin Kaster's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Kaster is (715) 847-2121.
- Does Benjamin Kaster accept Medicare?
- Benjamin Kaster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Kaster's NPI active?
- Yes — Benjamin Kaster's NPI (1881033298) is active in the NPPES registry as of the last update on 2016-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.