Ariel Singer, NP
NPI 1689973992 · Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariel Singer, NP is a Nurse Practitioner provider in Milwaukee, WI (NPI 1689973992).
Provider details
- NPI number
- 1689973992
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN265266 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
15 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
145 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 | 114 | $71 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $52 |
Typical Medicare-allowed amounts for these services range $52–$71 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomidebrand: Revlimid | 74 | 16 |
| Dexamethasone | 56 | 23 |
| Prochlorperazine Maleate | 54 | 42 |
| Acyclovir | 41 | — |
| Prednisone | 37 | — |
| Enzalutamidebrand: Xtandi | 36 | 11 |
| Abiraterone Acetate | 26 | — |
| Imatinib Mesylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-25
- Last updated
- 2023-10-31
- Certified
- 2023-10-31
Frequently asked questions
- What is Ariel Singer's NPI number?
- Ariel Singer's National Provider Identifier (NPI) is 1689973992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel Singer's specialty?
- Ariel Singer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ariel Singer located?
- Ariel Singer's practice location on file with NPPES is 3003 W Good Hope Rd, Milwaukee, WI 53209-2042.
- What is Ariel Singer's phone number?
- The practice phone number listed in the NPPES registry for Ariel Singer is (414) 352-3100.
- Does Ariel Singer accept Medicare?
- Ariel Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariel Singer's NPI active?
- Yes — Ariel Singer's NPI (1689973992) is active in the NPPES registry as of the last update on 2023-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.