Clair Sosa, FNP-BC
NPI 1861005837 · Family Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clair Sosa, FNP-BC is a Family Nurse Practitioner provider in Milwaukee, WI (NPI 1861005837).
Provider details
- NPI number
- 1861005837
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10282-33 (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
5 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
79 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) |
|---|---|---|
| Testing for Presence of Drug, Read By Direct Observation80305 | 79 | $12 |
Typical Medicare-allowed amounts for these services range $12–$12 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 444 | 82 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 385 | 84 |
| Oxycodone Hcl | 264 | 51 |
| Gabapentin | 166 | 48 |
| Tizanidine Hcl | 146 | 41 |
| Tramadol Hcl | 145 | 27 |
| Pregabalin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-28
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Clair Sosa's NPI number?
- Clair Sosa's National Provider Identifier (NPI) is 1861005837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clair Sosa's specialty?
- Clair Sosa is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Clair Sosa located?
- Clair Sosa's practice location on file with NPPES is 3305 S 20th St Ste 160, Milwaukee, WI 53215-4941.
- What is Clair Sosa's phone number?
- The practice phone number listed in the NPPES registry for Clair Sosa is (414) 509-8826.
- Does Clair Sosa accept Medicare?
- Clair Sosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clair Sosa's NPI active?
- Yes — Clair Sosa's NPI (1861005837) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.