NPPES file of Aug 9, 2026

Crystal M. Steinhardt, APNP, FNP

Nurse Practitioner · Mequon, WI

Crystal M. Steinhardt, APNP, FNP is a nurse practitioner with a practice address in Mequon, Wisconsin, and NPI 1326417874, issued on Sep 15, 2015. Check the license (Wisconsin 6615, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1326417874
Name
Crystal M. Steinhardt
Credential
APNP, FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
6615 WI
6615-33 WI
Self-reported in NPPES; status is on the state search
Practice location
11270 N Port Washington RD, Mequon, WI 53092
Phone
(262) 241-1022
Enumerated
Sep 15, 2015
Record last updated
Nov 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(262) 241-1030
Medicaid ID
100048763 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →

Also registered at 11270 N Port Washington RD

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

  1. Stacey McKay, RPHPharmacist1689955403
  2. Michael Persten, RPHPharmacist1245508191
  3. Kelly Quandt, NURSE PRACTITIONERNurse Practitioner1538462650
  4. Hamide Sinani, PHARMACISTPharmacist1083247662
  5. Nancy Steinhage, RPHPharmacist1801177613
  6. Mary Williams, APNPFamily Nurse Practitioner1144415068

Verify Crystal M. Steinhardt 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 6615    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

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Crystal M. Steinhardt among 3,995 nurse practitioner records in Wisconsin

Crystal M. Steinhardt, APNP, FNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 46% of them.

  • NPI issued2015 · 46% of these records are older, 49% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2021 · 41% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 nurse practitioner records list a practice address in Mequon

They are 32 of the 1,048 NPPES records with a practice address in Mequon, and 3,995 nurse practitioner records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,995 in Wisconsin → Every provider in Mequon → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sarah Escareno, APNPMequon, WI 530921861737108
  2. Brittany Frisque, NP-CMequon, WI 530921003292269
  3. Kristen Lachapell, MS, GNP-BC, APNPMequon, WI 530921083681332
  4. Mae McEwan, NPMequon, WI 530921093071649
  5. Melanie Plante, NPMequon, WI 530921386721710
  6. Pamela Powell, APNPMequon, WI 530921134463862
  7. Kelly Quandt, NURSE PRACTITIONERMequon, WI 530921538462650
  8. Kathryn Rodberg, NPMequon, WI 530921043569957

Common questions

What is Crystal M. Steinhardt, APNP, FNP's NPI number?

Crystal M. Steinhardt, APNP, FNP's National Provider Identifier (NPI) is 1326417874, issued on Sep 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Crystal M. Steinhardt, APNP, FNP located?

The NPPES record lists a practice address at 11270 N Port Washington RD, Mequon, WI, 53092. Phone: (262) 241-1022. Providers update this record themselves, so call before visiting.

How can I verify Crystal M. Steinhardt, APNP, FNP's license?

NPPES lists Wisconsin license number 6615, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. 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.