William Merritt, PA
NPI 1033442538 · Physician Assistant · Kenosha, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Merritt, PA is a Physician Assistant provider in Kenosha, WI (NPI 1033442538).
Provider details
- NPI number
- 1033442538
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 2503-23 (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 tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
12 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 12 | $73 |
Typical Medicare-allowed amounts for these services range $73–$73 (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 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 120 | 35 |
| Methylprednisolone | 115 | 98 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 114 | 72 |
| Doxycycline Hyclate | 98 | 82 |
| Levothyroxine Sodium | 96 | 31 |
| Rosuvastatin Calcium | 89 | 28 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$177 across 8 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
Additional practice locations (2)
- 9200 W Wisconsin AveMilwaukee, WI 53226-3522Phone: (414) 805-0812Fax: (414) 805-0855
- 9555 76th StPleasant Prairie, WI 53158-1984Phone: (262) 577-8300
Registry dates
- Enumerated
- 2009-09-15
- Last updated
- 2018-10-09
Frequently asked questions
- What is William Merritt's NPI number?
- William Merritt's National Provider Identifier (NPI) is 1033442538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Merritt's specialty?
- William Merritt is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Merritt located?
- William Merritt's practice location on file with NPPES is 6121 Green Bay Rd Ste 100, Kenosha, WI 53142-2931.
- What is William Merritt's phone number?
- The practice phone number listed in the NPPES registry for William Merritt is (262) 945-7557.
- Does William Merritt accept Medicare?
- William Merritt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Merritt's NPI active?
- Yes — William Merritt's NPI (1033442538) is active in the NPPES registry as of the last update on 2018-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.