NPPES file of Aug 9, 2026

Heather Merkert, LCSW

Clinical Social Worker · York, PA

Heather Merkert, LCSW is a clinical social worker with a practice address in York, Pennsylvania, and NPI 1447682059, issued on Aug 6, 2013. Check the license (Pennsylvania CW019164, 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
1447682059
Name
Heather Merkert
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
CW019164 PA
Self-reported in NPPES; status is on the state search
Practice location
4150 W Market St, York, PA 17408
Phone
(717) 650-6583
Enumerated
Aug 6, 2013
Record last updated
Dec 11, 2023
Fax
(717) 793-2165
Medicaid ID
842465701 PA
Medicare enrollment
Enrolled (PECOS I20190830000476); 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 clinical social worker records → All 7,830 in Pennsylvania → Look up another NPI →

Also registered at 4150 W Market St

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

  1. Alexandra KingMental Health Counselor1376378398
  2. Rachel Ligon, MSWSocial Worker1720544513
  3. Madison RohrbaughMental Health Counselor1053284638
  4. Stacey SmithSocial Worker1740055409

Verify Heather Merkert 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 CW019164    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

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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Heather Merkert among 7,830 clinical social worker records in Pennsylvania

Heather Merkert, LCSW is one of 7,830 clinical social worker records with a practice address in Pennsylvania. 16% 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 2013, is newer than 44% of them.

  • NPI issued2013 · 44% of these records are older, 53% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2013 · median 2007 among the 1,888 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

98 clinical social worker records list a practice address in York

They are 98 of the 4,575 NPPES records with a practice address in York, and 7,830 clinical social worker records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,830 in Pennsylvania → Every provider in York → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Danielle MillerYork, PA 174081497624589
  2. Tracy Neidert, L.S.W.York, PA 174081164815130
  3. Amy SeifarthYork, PA 174081528483310
  4. Kristine Zwerlein-Rose, LCSW-CYork, PA 174081972845758
  5. Devon BortzfieldHellam, PA 174061063377059
  6. Ashley Fisher, LSWYork, PA 174061144561598
  7. Emily Jones, LCSWHellam, PA 174061538024518
  8. Karen Lydon, LCSWHellam, PA 174061174563159

Common questions

What is Heather Merkert, LCSW's NPI number?

Heather Merkert, LCSW's National Provider Identifier (NPI) is 1447682059, issued on Aug 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Heather Merkert, LCSW located?

The NPPES record lists a practice address at 4150 W Market St, York, PA, 17408. Phone: (717) 650-6583. Providers update this record themselves, so call before visiting.

How can I verify Heather Merkert, LCSW's license?

NPPES lists Pennsylvania license number CW019164, 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.