NPPES file of Aug 9, 2026

Kaitlyn Renee Mackey, MSW, LSW

Addiction Medicine (Internal Medicine) Physician · Lancaster, PA

Kaitlyn Renee Mackey, MSW, LSW is an addiction medicine (internal medicine) physician with a practice address in Lancaster, Pennsylvania, and NPI 1952946253, issued on Nov 10, 2019. Check the license (Pennsylvania SW137321, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1952946253
Name
Kaitlyn Renee Mackey
Credential
MSW, LSW
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License number
SW137321 PA
Self-reported in NPPES; status is on the state search
Practice location
105 E King St, Lancaster, PA 17602
Phone
(717) 397-0156
Enumerated
Nov 10, 2019
Record last updated
Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(717) 397-1782
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 addiction medicine (internal medicine) physician records → All 33 in Pennsylvania → Look up another NPI →

Verify Kaitlyn Renee Mackey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license SW137321    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
Open the Pennsylvania license search

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Kaitlyn Renee Mackey among 33 addiction medicine (internal medicine) physician records in Pennsylvania

Kaitlyn Renee Mackey, MSW, LSW is one of 33 addiction medicine (internal medicine) physician records with a practice address in Pennsylvania. 73% 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 2019, is newer than 79% of them.

  • NPI issued2019 · 79% of these records are older, 18% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Internal Medicine) Physician providers in Pennsylvania

There are 33 addiction medicine (internal medicine) physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 33 in Pennsylvania → Every provider in Lancaster → Addiction Medicine (Internal Medicine) Physician nationwide →

The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes

  1. Kristi Dively, DOLancaster, PA 176021063447852
  2. Christopher Davis, D.O.York, PA 174041144473208
  3. Eric Petterson, MDMahanoy City, PA 179481245269547
  4. Sarah Kawasaki, M.D.Harrisburg, PA 171101821222381
  5. Linda OkoroAllentown, PA 181021255907234
  6. Philip Moore, DOLemoyne, PA 170431396906640
  7. Andrew Thomson, DOHershey, PA 170331518454693
  8. Karen Sees, D.O.Kane, PA 167351013301985

Common questions

What is Kaitlyn Renee Mackey, MSW, LSW's NPI number?

Kaitlyn Renee Mackey, MSW, LSW's National Provider Identifier (NPI) is 1952946253, issued on Nov 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlyn Renee Mackey, MSW, LSW located?

The NPPES record lists a practice address at 105 E King St, Lancaster, PA, 17602. Phone: (717) 397-0156. Providers update this record themselves, so call before visiting.

How can I verify Kaitlyn Renee Mackey, MSW, LSW's license?

NPPES lists Pennsylvania license number SW137321, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.