Mikayla Niswonger, PA-C
NPI 1659923795 · Physician Assistant · Milwaukee, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mikayla Niswonger, PA-C is a Physician Assistant provider in Milwaukee, WI (NPI 1659923795).
Provider details
- NPI number
- 1659923795
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
147 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 56 | $102 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 41 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $72 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $133 |
Typical Medicare-allowed amounts for these services range $39–$133 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 194 | 68 |
| Omeprazole | 97 | 38 |
| Famotidine | 60 | 22 |
| Linaclotidebrand: Linzess | 34 | 11 |
| Mesalamine | 28 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 22 | — |
| Nortriptyline Hcl | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$881 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-09
- Last updated
- 2021-08-03
- Certified
- 2021-08-03
Frequently asked questions
- What is Mikayla Niswonger's NPI number?
- Mikayla Niswonger's National Provider Identifier (NPI) is 1659923795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mikayla Niswonger's specialty?
- Mikayla Niswonger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mikayla Niswonger located?
- Mikayla Niswonger's practice location on file with NPPES is 788 N Jefferson St Ste 401, Milwaukee, WI 53202-3718.
- What is Mikayla Niswonger's phone number?
- The practice phone number listed in the NPPES registry for Mikayla Niswonger is (414) 226-4020.
- Does Mikayla Niswonger accept Medicare?
- Mikayla Niswonger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mikayla Niswonger's NPI active?
- Yes — Mikayla Niswonger's NPI (1659923795) is active in the NPPES registry as of the last update on 2021-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.