NPPES file of Aug 9, 2026

Mackenzie McClellan, TLLP

Clinical Psychologist · Warren, MI

Mackenzie McClellan, TLLP is a clinical psychologist with a practice address in Warren, Michigan, and NPI 1003453200, issued on Dec 6, 2019. Check the license (Michigan 6301018169, as entered in NPPES) with the Michigan 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
1003453200
Name
Mackenzie McClellan
Credential
TLLP
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
6301018169 MI
Self-reported in NPPES; status is on the state search
Practice location
8150 E 13 Mile RD, Warren, MI 48093
Phone
(586) 825-9700
Enumerated
Dec 6, 2019
Record last updated
Dec 6, 2019 (not updated in 7 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 clinical psychologist records → All 2,965 in Michigan → Look up another NPI →

Also registered at 8150 E 13 Mile RD

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

  1. Celine Barron, LMSWClinical Social Worker1932760352
  2. Christine Brzezinski, MALLPCounseling Psychologist1033271606
  3. Howard Chang, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1811632433
  4. Shawntes CrossleyClinical Social Worker1316458243
  5. Renisha Fluker, LPCProfessional Counselor1538502299
  6. Earl Harrington, LMSW, CAC-1Clinical Social Worker1548372329

Verify Mackenzie McClellan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6301018169    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 Michigan license search

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Mackenzie McClellan among 2,965 clinical psychologist records in Michigan

Mackenzie McClellan, TLLP is one of 2,965 clinical psychologist records with a practice address in Michigan. 13% 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 80% of them.

  • NPI issued2019 · 80% of these records are older, 17% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2019 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Michigan

There are 2,965 clinical psychologist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,965 in Michigan → Every provider in Warren → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Jennifer Boyce, MA, LLPCWarren, MI 480931245505650
  2. George ChappWarren, MI 480931427721190
  3. Anna Roberts, TLLPWarren, MI 480931750866240
  4. Mark Roman, TLLPWarren, MI 480931972146363
  5. Kathleen Andrulis, M.A., L.L.P.Warren, MI 480921215067962
  6. Danial Burke, M.A. L.L.P.Warren, MI 480921992843650
  7. Eugene Schimmel, PH.D.Warren, MI 480921356503577
  8. Hailey Bernys, TLLPWarren, MI 480911700742996

Common questions

What is Mackenzie McClellan, TLLP's NPI number?

Mackenzie McClellan, TLLP's National Provider Identifier (NPI) is 1003453200, issued on Dec 6, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie McClellan, TLLP located?

The NPPES record lists a practice address at 8150 E 13 Mile RD, Warren, MI, 48093. Phone: (586) 825-9700. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie McClellan, TLLP's license?

NPPES lists Michigan license number 6301018169, as entered by the provider. Search the Michigan 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.