NPPES file of Aug 9, 2026

Sommer J. Grant, ARNP

Nurse Practitioner · Waterloo, IA

Sommer J. Grant, ARNP is a nurse practitioner with a practice address in Waterloo, Iowa, and NPI 1235116153, issued on Dec 30, 2005. Check the license (Iowa 105635, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235116153
Name
Sommer J. Grant
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
105635 IA
Self-reported in NPPES; status is on the state search
Practice location
146 W Dale St, Waterloo, IA 50703
Phone
(319) 234-4431
Enumerated
Dec 30, 2005
Record last updated
Oct 20, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(319) 235-5004
Medicare enrollment
Enrolled (PECOS I20050209000068); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 146 W Dale St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Russell Adams, MDInternal Medicine Physician1023094265
  2. Raja Akbar, MDPsychiatry Physician1073547105
  3. Hridendra Basu, MDInternal Medicine Physician1366428559
  4. Kimberlee Borneman, C.N.M.Advanced Practice Midwife1588047021
  5. Dieter Boxmann, ARNPPsychiatric/Mental Health Nurse Practitioner1023178548
  6. Kristi Clements, LISWSocial Worker1629251574

Verify Sommer J. Grant in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 105635
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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8.8 times the Medicare Part D claims of the average nurse practitioner in 2024

9,755 Medicare Part D claims for 562 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 642 claims were for opioids.

  1. Sommer Grant9,755
  2. Specialty average1,109

Most prescribed

  1. Warfarin Sodium529 claims
  2. Levothyroxine Sodium400 claims
  3. Furosemide304 claims
  4. Tramadol Hcl298 claims
  5. Eliquis296 claims
  6. Omeprazole260 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Iowa Physicians Clinic Medical FoundationWaterloo, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sommer J. Grant among 1,294 nurse practitioner records in Iowa

Sommer J. Grant, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2004 · median 2018 among the 873 with a school on file
  • Record last updated2009 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

96 nurse practitioner records list a practice address in Waterloo

They are 96 of the 1,512 NPPES records with a practice address in Waterloo, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Mary Ann Amend, ARNPWaterloo, IA 507031659312254
  2. Paula Anderson, ARNPWaterloo, IA 507031992744569
  3. Esther Bahlmann, NPWaterloo, IA 507031740265115
  4. Michele Friedman, A.R.N.P.Waterloo, IA 507031508844465
  5. Kari Haislet, ARNPWaterloo, IA 507031235182627
  6. Patricia Harvey, APRN, FNP-CWaterloo, IA 507031891709952
  7. Kelly Hassman, ARNPWaterloo, IA 507031073719738
  8. Kathleen Merry, ARNPWaterloo, IA 507031306821160

Common questions

What is Sommer J. Grant, ARNP's NPI number?

Sommer J. Grant, ARNP's National Provider Identifier (NPI) is 1235116153, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sommer J. Grant, ARNP located?

The NPPES record lists a practice address at 146 W Dale St, Waterloo, IA, 50703. Phone: (319) 234-4431. Providers update this record themselves, so call before visiting.

How can I verify Sommer J. Grant, ARNP's license?

NPPES lists Iowa license number 105635, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Sommer J. Grant, ARNP prescribe under Medicare Part D?

In 2024, Sommer J. Grant, ARNP had 9,755 Medicare Part D claims for 562 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.