NPPES file of Aug 9, 2026

Mark A. Hemlick, PHD

Counseling Psychologist · Lancaster, PA

Mark A. Hemlick, PHD is a counseling psychologist with a practice address in Lancaster, Pennsylvania, and NPI 1528040706, issued on Nov 15, 2005. Check the license (Pennsylvania P5005136L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1528040706
Name
Mark A. Hemlick
Credential
PHD
Primary taxonomy
Counseling Psychologist 103TC1900X
License number
P5005136L PA
Self-reported in NPPES; status is on the state search
Practice location
1755 Oregon Pike, Lancaster, PA 17601
Phone
(717) 581-5255
Enumerated
Nov 15, 2005
Record last updated
Oct 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(717) 581-5259
Medicaid ID
894139 PA
Medicare enrollment
Enrolled (PECOS I20090206000355); 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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8 nearest counseling psychologist records → All 368 in Pennsylvania → Look up another NPI →

Also registered at 1755 Oregon Pike

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

  1. Thomas Bartlett, PHDPsychologist1730163049
  2. Katina Barton, MSW LCSWClinical Social Worker1124002464
  3. Allison Bates, PH.D.Clinical Psychologist1013269265
  4. Jack Green, MSWClinical Social Worker1356402408
  5. Wendy Hershey, MS CCC SLPSpeech-Language Pathologist1891779435
  6. Robert Justice, PSYDPsychologist1265414445

Verify Mark A. Hemlick 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 P5005136L    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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Bills Medicare through one group practice

  1. Behavioral Healthcare Consultants, P.C.Lancaster, PA

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

Mark A. Hemlick among 368 counseling psychologist records in Pennsylvania

Mark A. Hemlick, PHD is one of 368 counseling psychologist records with a practice address in Pennsylvania. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1984 · median 1998 among the 66 with a school on file
  • Record last updated2018 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC1900X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Counseling Psychologist providers in Pennsylvania

There are 368 counseling psychologist records in Pennsylvania.

All 368 in Pennsylvania → Every provider in Lancaster → Counseling Psychologist nationwide →

The 8 counseling psychologist records with the nearest ZIP codes

  1. Ruth Lesher, PHDLancaster, PA 176011942282116
  2. Susan Schultheis, PH.D.Lancaster, PA 176011992900344
  3. Elicia Stein, PSY.D.Lancaster, PA 176011992134498
  4. Perry Hazeltine, PH.D.Lancaster, PA 176021861409583
  5. Christine Conway, PH.D.Lancaster, PA 176031669853925
  6. Elizabeth Kresge, M.S.Lancaster, PA 176031942218409
  7. Samantha Weiner, PSY.D.Quarryville, PA 175661639655921
  8. Amy Stoltzfus, MS, NCCNew Holland, PA 175571952294688

Common questions

What is Mark A. Hemlick, PHD's NPI number?

Mark A. Hemlick, PHD's National Provider Identifier (NPI) is 1528040706, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Hemlick, PHD located?

The NPPES record lists a practice address at 1755 Oregon Pike, Lancaster, PA, 17601. Phone: (717) 581-5255. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Hemlick, PHD's license?

NPPES lists Pennsylvania license number P5005136L, 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. 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.