NPPES file of Aug 9, 2026

Kristi Kay Grutzmacher, APNP

Family Nurse Practitioner · Waukesha, WI

Kristi Kay Grutzmacher, APNP is a family nurse practitioner with a practice address in Waukesha, Wisconsin, and NPI 1669887246, issued on Jun 23, 2014. Check the license (Wisconsin 5824-33, as entered in NPPES) with the Wisconsin 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
1669887246
Name
Kristi Kay Grutzmacher
Credential
APNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
5824-33 WI
5824 WI
Self-reported in NPPES; status is on the state search
Practice location
N20W22961 Watertown RD, Waukesha, WI 53186
Phone
(262) 875-5070
Enumerated
Jun 23, 2014
Record last updated
Jan 13, 2025
Medicare enrollment
Enrolled (PECOS I20140703000230); 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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8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →

Also registered at N20W22961 Watertown RD

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

  1. Katherine Andrew, APNPPrimary Care Nurse Practitioner1225757842
  2. Rebecca Bland, APNPAcute Care Nurse Practitioner1144900606
  3. Amanda Bonk, APRNGerontology Nurse Practitioner1154277218
  4. Michele Brogunier, MDFamily Medicine Physician1821014036
  5. Megan Buboltz, PA-CPhysician Assistant1679463905
  6. Katie Crawford, APNPFamily Nurse Practitioner1134055114

Verify Kristi Kay Grutzmacher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 5824-33    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 Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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

4,782 Medicare Part D claims for 168 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 351 claims were for opioids.

  1. Kristi Grutzmacher4,782
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium217 claims
  2. Baclofen211 claims
  3. Pantoprazole Sodium184 claims
  4. Oxycodone Hcl182 claims
  5. Amlodipine Besylate171 claims
  6. Gabapentin155 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.

Industry payments in 2024: $50.26

1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristi Grutzmacher$50.26
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Oak Medical SCBrookfield, WI

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

Kristi Kay Grutzmacher among 2,814 family nurse practitioner records in Wisconsin

Kristi Kay Grutzmacher, APNP is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 29% of them.

  • NPI issued2014 · 29% of these records are older, 66% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 2019 among the 1,740 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 family nurse practitioner records list a practice address in Waukesha

They are 93 of the 2,814 NPPES records with a practice address in Waukesha, and 2,814 family nurse practitioner records in Wisconsin.

All 2,814 in Wisconsin → Every provider in Waukesha → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Laurie Benkley, NP-CWaukesha, WI 531861275831513
  2. Ronelle Christenson, NPWaukesha, WI 531861801144845
  3. Pamela Dolata, NPWaukesha, WI 531861932326204
  4. Carla Foley, MSN FNPWaukesha, WI 531861003882002
  5. Tracy Jessogne, APNPWaukesha, WI 531861578718490
  6. Jackie Joachim, APNPWaukesha, WI 531861841486008
  7. Sharon O'Neill, APNPWaukesha, WI 531861922339878
  8. Debra Otten, APRN BC FAMILY NURSEWaukesha, WI 531861932273166

Common questions

What is Kristi Kay Grutzmacher, APNP's NPI number?

Kristi Kay Grutzmacher, APNP's National Provider Identifier (NPI) is 1669887246, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kristi Kay Grutzmacher, APNP located?

The NPPES record lists a practice address at N20W22961 Watertown RD, Waukesha, WI, 53186. Phone: (262) 875-5070. Providers update this record themselves, so call before visiting.

How can I verify Kristi Kay Grutzmacher, APNP's license?

NPPES lists Wisconsin license number 5824-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Kristi Kay Grutzmacher, APNP prescribe under Medicare Part D?

In 2024, Kristi Kay Grutzmacher, APNP had 4,782 Medicare Part D claims for 168 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.