Simon Griesbach, M.D.
NPI 1578839387 · Family Medicine Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Griesbach, M.D. is a Family Medicine Physician provider in Waukesha, WI (NPI 1578839387).
Provider details
- NPI number
- 1578839387
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61212 (WI)
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
14 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
146 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 | 51 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 16 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $122 |
Typical Medicare-allowed amounts for these services range $9–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 134 | 45 |
| Lisinopril | 66 | 22 |
| Amlodipine Besylate | 61 | 15 |
| Gabapentin | 57 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 56 | — |
| Pantoprazole Sodium | 34 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2015-06-16
Frequently asked questions
- What is Simon Griesbach's NPI number?
- Simon Griesbach's National Provider Identifier (NPI) is 1578839387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Griesbach's specialty?
- Simon Griesbach is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Griesbach located?
- Simon Griesbach's practice location on file with NPPES is 210 Nw Barstow St, Waukesha, WI 53188-3771.
- What is Simon Griesbach's phone number?
- The practice phone number listed in the NPPES registry for Simon Griesbach is (262) 548-6903.
- Does Simon Griesbach accept Medicare?
- Simon Griesbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Griesbach's NPI active?
- Yes — Simon Griesbach's NPI (1578839387) is active in the NPPES registry as of the last update on 2015-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.