NPPES file of Aug 9, 2026

David Gregg, PHD, LP, CAADC

Psychologist · Kalamazoo, MI

David Gregg, PHD, LP, CAADC is a psychologist with a practice address in Kalamazoo, Michigan, and NPI 1790150456, issued on Dec 7, 2015. Check the license (Michigan 6301016924, as entered in NPPES) with the Michigan 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
1790150456
Name
David Gregg
Credential
PHD, LP, CAADC
Primary taxonomy
Psychologist 103T00000X
License number
6301016924 MI
Self-reported in NPPES; status is on the state search
Practice location
4017 W Main St Ste 100, Kalamazoo, MI 49006
Phone
(248) 808-3875
Enumerated
Dec 7, 2015
Record last updated
May 22, 2023
Fax
(269) 350-5779
Medicare enrollment
Enrolled (PECOS I20171114001808); 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.
Download card Updates feed

Also registered at 4017 W Main St Ste 100

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

  1. Nicolle Aiello, MACounseling Psychologist1922792175
  2. Rebecca GageProfessional Counselor1003381468
  3. Patricia Hilliard, LLPCounseling Psychologist1285324079
  4. Casey Slager, MA, LLPCProfessional Counselor1386273225
  5. Jay Tompkins, M.AProfessional Counselor1023614138

Verify David Gregg 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 6301016924
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Kerby Psychological Services, PLLCKalamazoo, MI

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

112 psychologist records list a practice address in Kalamazoo

They are 112 of the 6,553 NPPES records with a practice address in Kalamazoo, and 2,549 psychologist records in Michigan.

Other psychologist records in Michigan

  1. Linda Aardema, PSY S PCBirmingham, MI1659391670
  2. Azad Abbasi, M.S.Detroit, MI1043632862
  3. Ann Abbey, MA, LLP, RYTRoyal Oak, MI1962034736
  4. Ban Abbo, MA, LLPCommerce Township, MI1588992499
  5. Sarah Abdel-Wahab-O'Brien, LLPYpsilanti, MI1518614262
  6. Inaam AbdulkarimWalled Lake, MI1891392577
  7. Max Abelman, M. A., L. L. P.Detroit, MI1346433505
  8. Jeannah Rose Abou AssalyAnn Arbor, MI1174483515
  9. Atara Abramsky, PH.DSouthfield, MI1497182828
  10. Maha Abu-Hamdan, PHD, LLPOxford, MI1356689327

Common questions

What is David Gregg, PHD, LP, CAADC's NPI number?

David Gregg, PHD, LP, CAADC's National Provider Identifier (NPI) is 1790150456, issued on Dec 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Gregg, PHD, LP, CAADC located?

The NPPES record lists a practice address at 4017 W Main St Ste 100, Kalamazoo, MI, 49006. Phone: (248) 808-3875. Providers update this record themselves, so call before visiting.

How can I verify David Gregg, PHD, LP, CAADC's license?

NPPES lists Michigan license number 6301016924, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.