Danielle Sommerfeldt, FNP
NPI 1659809390 · Family Nurse Practitioner · Wausau, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danielle Sommerfeldt, FNP is a Family Nurse Practitioner provider in Wausau, WI (NPI 1659809390).
Provider details
- NPI number
- 1659809390
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 7640 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
658 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 329 | $101 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 195 | $147 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 57 | $50 |
| Advance Care Planning, First 30 Minutes99497 | 21 | $65 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 20 | $160 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 300 | 42 |
| Sertraline Hcl | 173 | 27 |
| Amlodipine Besylate | 171 | 25 |
| Omeprazole | 163 | 26 |
| Mirtazapine | 162 | 26 |
| Furosemide | 161 | 23 |
| Levothyroxine Sodium | 155 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-25
- Last updated
- 2019-12-06
Frequently asked questions
- What is Danielle Sommerfeldt's NPI number?
- Danielle Sommerfeldt's National Provider Identifier (NPI) is 1659809390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danielle Sommerfeldt's specialty?
- Danielle Sommerfeldt is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Danielle Sommerfeldt located?
- Danielle Sommerfeldt's practice location on file with NPPES is 510 N 17th Ave Ste a, Wausau, WI 54401-4254.
- What is Danielle Sommerfeldt's phone number?
- The practice phone number listed in the NPPES registry for Danielle Sommerfeldt is (715) 842-7707.
- Does Danielle Sommerfeldt accept Medicare?
- Danielle Sommerfeldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danielle Sommerfeldt's NPI active?
- Yes — Danielle Sommerfeldt's NPI (1659809390) is active in the NPPES registry as of the last update on 2019-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.