Mark Rhyner, MD
NPI 1679668750 · Family Medicine Physician · Germantown, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Rhyner, MD is a Family Medicine Physician provider in Germantown, WI (NPI 1679668750).
Provider details
- NPI number
- 1679668750
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 38101 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
398 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 | 138 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 110 | $83 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 97 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $117 |
| Administration of Influenza Virus VaccineG0008 | 11 | $14 |
Typical Medicare-allowed amounts for these services range $14–$117 (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 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 360 | 103 |
| Losartan Potassium | 190 | 60 |
| Metoprolol Succinate | 135 | 41 |
| Levothyroxine Sodium | 131 | 34 |
| Rosuvastatin Calcium | 127 | 42 |
| Pantoprazole Sodium | 126 | 45 |
Practice location
Mailing address
Additional practice locations (1)
- 4848 S 6th StMilwaukee, WI 53221-2462Phone: (414) 769-2540
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2022-12-14
- Certified
- 2022-12-14
Frequently asked questions
- What is Mark Rhyner's NPI number?
- Mark Rhyner's National Provider Identifier (NPI) is 1679668750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rhyner's specialty?
- Mark Rhyner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Rhyner located?
- Mark Rhyner's practice location on file with NPPES is W168n11237 Western Ave, Germantown, WI 53022-3239.
- What is Mark Rhyner's phone number?
- The practice phone number listed in the NPPES registry for Mark Rhyner is (262) 253-5060.
- Does Mark Rhyner accept Medicare?
- Mark Rhyner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Rhyner's NPI active?
- Yes — Mark Rhyner's NPI (1679668750) is active in the NPPES registry as of the last update on 2022-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.