Quick answers
- Does Mollie J. Berg accept Medicare assignment?
- Yes. Medicare's clinician data says Mollie J. Berg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mollie J. Berg see?
- In 2024, CMS data shows 92 Original Medicare patients and 2,272 services for Mollie J. Berg. This counts Original Medicare only and measures volume, not quality.
- What is Mollie J. Berg's NPI number?
- 1124352604. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mollie J. Berg, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 92 |
|---|---|
| Services billed to Medicare | 2,272 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,130 services
- Test for allergy using allergenic extract injected into skin (95024)275 services
- Test for allergy using skin patch (95044)163 services
- Test to measure the level of nitric oxide gas (95012)46 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)45 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol66%
- High blood pressure63%
- Arthritis45%
- Asthma37%
- Diabetes20%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
Hospitals where Mollie J. Berg works
Medicare's Facility Affiliation Data lists Mollie J. Berg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Riverview Hospital & Clinics IncWisconsin Rapids, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520033
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
Practice locations
Addresses where Mollie J. Berg is enrolled with Medicare (CMS data updated October 2, 2026).
- 512 S 28th AveWausau, WI 54401 (715) 847‑2021
Group practices
Medicare enrollment lists Mollie J. Berg as a member of this group (CMS data updated October 2, 2026).
- Ent and Allergy Associates SC25 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Other clinicians in Ent and Allergy Associates SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124352604 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians