Amy Williams, FNP
NPI 1649668278 · Family Nurse Practitioner · Mishawaka, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Williams, FNP is a Family Nurse Practitioner provider in Mishawaka, IN (NPI 1649668278).
Provider details
- NPI number
- 1649668278
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 28181728A (IN)
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
11 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
2,278 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,055 | $59 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 793 | $85 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 166 | $61 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 126 | $144 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 100 | $36 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 121 | 24 |
| Tramadol Hcl | 117 | 30 |
| Baclofen | 64 | — |
| Pregabalin | 62 | 14 |
| Furosemide | 58 | 24 |
| Oxycodone Hcl | 53 | 11 |
| Ondansetron Hcl | 47 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-01-06
- Last updated
- 2023-06-28
- Certified
- 2023-06-28
Frequently asked questions
- What is Amy Williams's NPI number?
- Amy Williams's National Provider Identifier (NPI) is 1649668278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Williams's specialty?
- Amy Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amy Williams located?
- Amy Williams's practice location on file with NPPES is 524 E Mckinley Ave, Mishawaka, IN 46545-6285.
- What is Amy Williams's phone number?
- The practice phone number listed in the NPPES registry for Amy Williams is (574) 256-2556.
- Does Amy Williams accept Medicare?
- Amy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Williams's NPI active?
- Yes — Amy Williams's NPI (1649668278) is active in the NPPES registry as of the last update on 2023-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.