Doctor profile · Federal record

Dr. Amy Williams, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mishawaka, IN

  • NPI 1649668278
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
524 E McKinley Ave
Mishawaka, IN 465456285
(574) 256-2556

Credentials & registration

NPPES · NUCC
NPI registered
January 2015 — 11 yrs on file
Profile last updated
June 28, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Indiana #28181728A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649668278. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
494
Distinct HCPCS
6
Medicare allowed
$39,756
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 333 47 $85
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 63 19 $59
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 46 18 $31
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 24 24 $161
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 14 14 $145
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 14 14 $36

In context: peer comparison

Among 15 peers in Mishawaka Family Nurse Practitioner, average services per provider: 102. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
365
Patients
28
Total drug cost
$5,345
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 57 17 $1,278
Alprazolam Generic 40 0 $419
Atorvastatin Calcium Generic 33 0 $342
Lorazepam Generic 28 0 $163
Gabapentin Generic 26 0 $293
Metoprolol Tartrate Generic 23 0 $134
Potassium Chloride Generic 22 0 $310
Baclofen Generic 19 0 $341
Furosemide Generic 19 0 $127
Levothyroxine Sodium Generic 18 0 $271

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Williams's medical specialty?
Dr. Amy Williams practices Family Nurse Practitioner in Mishawaka, IN.
Where does Dr. Amy Williams practice?
Dr. Amy Williams practices at 524 E McKinley Ave, Mishawaka, IN 465456285. Office phone: 5742562556.
What is Dr. Amy Williams's NPI?
Dr. Amy Williams's National Provider Identifier (NPI) is 1649668278, issued by NPPES.
Does Dr. Amy Williams accept Medicare assignment?
Yes. Dr. Amy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99307). Source: CMS Medicare Physician & Other Practitioners file.