NPPES file of Aug 9, 2026

William Louis Leiner

Adult Psychiatric/Mental Health Registered Nurse · Quakertown, PA

William Louis Leiner is an adult psychiatric/mental health registered nurse with a practice address in Quakertown, Pennsylvania, and NPI 1215553045, issued on Jun 17, 2020. Check the license (Pennsylvania 331726L, as entered in NPPES) with the Pennsylvania 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
1215553045
Name
William Louis Leiner
Primary taxonomy
Adult Psychiatric/Mental Health Registered Nurse 163WP0809X
License number
331726L PA
Self-reported in NPPES; status is on the state search
Practice location
16 S Main St, Quakertown, PA 18951
Phone
(215) 538-3403
Enumerated
Jun 17, 2020
Record last updated
Jun 17, 2020 (not updated in 6 years: call before relying on the address or phone)
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 adult psychiatric/mental health registered nurse records → All 121 in Pennsylvania → Look up another NPI →

Also registered at 16 S Main St

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

  1. Andrew AmickPsychiatric/Mental Health Nurse Practitioner1215396585
  2. Jolene Barham, MACounselor1801749155
  3. Barry Bowman, MAPC CADC CCPGAddiction (Substance Use Disorder) Counselor1861873671
  4. Brianna Casey, MSW, LCSWClinical Social Worker1962932517
  5. Cara DelmaestroSocial Worker1407386915
  6. Kathi Eichman, MSMental Health Counselor1457732323

Verify William Louis Leiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license 331726L    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 Pennsylvania license search

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William Louis Leiner among 121 adult psychiatric/mental health registered nurse records in Pennsylvania

William Louis Leiner is one of 121 adult psychiatric/mental health registered nurse records with a practice address in Pennsylvania. 6% 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 2020, is newer than 73% of them.

  • NPI issued2020 · 73% of these records are older, 24% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2020 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP0809X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Psychiatric/Mental Health Registered Nurse providers in Pennsylvania

There are 121 adult psychiatric/mental health registered nurse records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 121 in Pennsylvania → Every provider in Quakertown → Adult Psychiatric/Mental Health Registered Nurse nationwide →

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

  1. Kristen Carney, BSN, RNSellersville, PA 189601336474683
  2. Mary Gonzalez, RNNewtown, PA 189401396928487
  3. Joan King, RN, MSN, CSTelford, PA 189691710151964
  4. Rita Mack, PMHCNS- BC, MSNWarminster, PA 189741134527344
  5. Steven Weiss, CRNPDoylestown, PA 189011427293794
  6. Priscilla Hartzell, RNChester, PA 190131477117034
  7. Sarah Kline, RNChester, PA 190131659528768
  8. Patricia Kirkowski, APRNTowanda, PA 188481528158383

Common questions

What is William Louis Leiner's NPI number?

William Louis Leiner's National Provider Identifier (NPI) is 1215553045, issued on Jun 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is William Louis Leiner located?

The NPPES record lists a practice address at 16 S Main St, Quakertown, PA, 18951. Phone: (215) 538-3403. Providers update this record themselves, so call before visiting.

How can I verify William Louis Leiner's license?

NPPES lists Pennsylvania license number 331726L, as entered by the provider. Search the Pennsylvania 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.