Doctor profile · Federal record

Dr. Sommer Grant, ARNP

Nurse Practitioner · Waterloo, IA

  • NPI 1235116153
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
146 W Dale St, Suite 201
Waterloo, IA 507031901
(319) 234-4431
fax (319) 235-5004

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
October 20, 2009
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Iowa #105635

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235116153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,665
Distinct HCPCS
10
Medicare allowed
$111,549
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 643 158 $85
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 299 144 $85
93793 Anticoagulant management of patient taking warfarin 215 20 $9
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 148 82 $59
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 119 39 $61
99315 Nursing facility discharge day management, 30 minutes or less 86 75 $65
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 49 42 $31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 47 47 $37
99315 Nursing facility discharge day management, 30 minutes or less 27 24 $65
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 21 20 $102

In context: peer comparison

Among 43 peers in Waterloo Nurse Practitioner, average services per provider: 355. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,183
Patients
685
Total drug cost
$106,192
Drug Type Claims Patients Total cost
Warfarin Sodium Generic 683 25 $3,292
Furosemide Generic 417 79 $2,704
Potassium Chloride Generic 307 59 $7,635
Levothyroxine Sodium Generic 300 56 $3,375
Tramadol Hcl Generic 289 62 $2,556
Escitalopram Oxalate Generic 263 40 $3,018
Lorazepam Generic 258 58 $2,574
Gabapentin Generic 252 47 $4,528
Omeprazole Generic 243 40 $2,432
Amlodipine Besylate Generic 238 49 $1,899

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sommer Grant's medical specialty?
Dr. Sommer Grant practices Nurse Practitioner in Waterloo, IA.
Where does Dr. Sommer Grant practice?
Dr. Sommer Grant practices at 146 W Dale St, Waterloo, IA 507031901. Office phone: 3192344431.
What is Dr. Sommer Grant's NPI?
Dr. Sommer Grant's National Provider Identifier (NPI) is 1235116153, issued by NPPES.
Does Dr. Sommer Grant accept Medicare assignment?
Yes. Dr. Sommer Grant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sommer Grant 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 moderate level of medical decision making (HCPCS 99309); Anticoagulant management of patient taking warfarin (HCPCS 93793). Source: CMS Medicare Physician & Other Practitioners file.