Christopher Williams, APNP, ACNPC-AG
NPI 1972388189 · Nurse Practitioner · Neenah, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Williams, APNP, ACNPC-AG is a Nurse Practitioner provider in Neenah, WI (NPI 1972388189).
Provider details
- NPI number
- 1972388189
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP, ACNPC-AG
- Sex
- Male
- Sole proprietor
- No
- License
- 14831 (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
2 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
48 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 15 | $103 |
Typical Medicare-allowed amounts for these services range $73–$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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclobenzaprine Hcl | 43 | 28 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 38 | 30 |
| Gabapentin | 27 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 | — |
| Empagliflozinbrand: Jardiance | 13 | — |
| Oxycodone Hcl | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-28
- Last updated
- 2023-12-12
- Certified
- 2023-11-17
Frequently asked questions
- What is Christopher Williams's NPI number?
- Christopher Williams's National Provider Identifier (NPI) is 1972388189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Williams's specialty?
- Christopher Williams is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Williams located?
- Christopher Williams's practice location on file with NPPES is 1305 W American Dr, Neenah, WI 54956-1993.
- What is Christopher Williams's phone number?
- The practice phone number listed in the NPPES registry for Christopher Williams is (920) 725-9373.
- Does Christopher Williams accept Medicare?
- Christopher Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Williams's NPI active?
- Yes — Christopher Williams's NPI (1972388189) is active in the NPPES registry as of the last update on 2023-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.