NPPES file of Aug 9, 2026

Lisa Ann Parker, APNP

Psychiatric/Mental Health Nurse Practitioner · Mequon, WI

Lisa Ann Parker, APNP is a psychiatric/mental health nurse practitioner with a practice address in Mequon, Wisconsin, and NPI 1871066506, issued on Jan 4, 2019. Check the license (Wisconsin 8150-33, 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
1871066506
Name
Lisa Ann Parker
Credential
APNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
8150-33 WI
Self-reported in NPPES; status is on the state search
Practice location
11649 N Port Washington RD Ste 221, Mequon, WI 53092
Phone
(262) 912-1922
Enumerated
Jan 4, 2019
Record last updated
May 22, 2026
Medicare enrollment
Enrolled (PECOS I20201224000194); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 11649 N Port Washington RD Ste 221

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

  1. Cassandra Carlson, LCSWClinical Social Worker1205649498
  2. Shaparis Johnson, LCSWClinical Social Worker1730014515
  3. Carolyn Klotz, APNPPsychiatric/Mental Health Nurse Practitioner1871728253
  4. Brian Martinezdelacotera, LPCProfessional Counselor1730726753
  5. Tatyana Siminak, APNPPsychiatric/Mental Health Nurse Practitioner1366196685
  6. Eduard Tsyrulnykov, APNPPsychiatric/Mental Health Nurse Practitioner1720213812

Verify Lisa Ann Parker 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 8150-33
    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

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52% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

437 Medicare Part D claims for 32 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Lisa Parker437
  2. Specialty average906

Most prescribed

  1. Lamotrigine60 claims
  2. Duloxetine Hcl40 claims
  3. Trazodone Hcl40 claims
  4. Clonazepam28 claims
  5. Venlafaxine Hcl Er25 claims
  6. Lorazepam23 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. Cornerstone Counseling Services IncMequon, WI

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

Lisa Ann Parker among 710 psychiatric/mental health nurse practitioner records in Wisconsin

Lisa Ann Parker, APNP is one of 710 psychiatric/mental health nurse practitioner records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 43% of them.

  • NPI issued2019 · 43% of these records are older, 53% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2015 · median 2020 among the 458 with a school on file
  • Record last updated2026 · 20% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Wisconsin

There are 710 psychiatric/mental health nurse practitioner records in Wisconsin.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Chizoba EzenyiMequon, WI 530921699639385
  2. Bruce Freeman, APNPThiensville, WI 530921306026265
  3. Arika Hernandez, APNPMequon, WI 530921033800370
  4. Carolyn Klotz, APNPMequon, WI 530921871728253
  5. Dennis Kochanik, NURSE PRACTITIONERMequon, WI 530921982378493
  6. Diane Matel, APNP, PHDMequon, WI 530921366467235
  7. Tatyana Siminak, APNPMequon, WI 530921366196685
  8. Eduard Tsyrulnykov, APNPMequon, WI 530921720213812

Common questions

What is Lisa Ann Parker, APNP's NPI number?

Lisa Ann Parker, APNP's National Provider Identifier (NPI) is 1871066506, issued on Jan 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Ann Parker, APNP located?

The NPPES record lists a practice address at 11649 N Port Washington RD Ste 221, Mequon, WI, 53092. Phone: (262) 912-1922. Providers update this record themselves, so call before visiting.

How can I verify Lisa Ann Parker, APNP's license?

NPPES lists Wisconsin license number 8150-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Lisa Ann Parker, APNP prescribe under Medicare Part D?

In 2024, Lisa Ann Parker, APNP had 437 Medicare Part D claims for 32 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.