NPPES file of Aug 9, 2026

Zachary David Loy, DO

Psychiatry Physician · Grand Rapids, MI

Zachary David Loy, DO is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1912437245, issued on Jun 19, 2017. Check the license (Michigan 5101026629, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1912437245
Name
Zachary David Loy
Credential
DO
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
5101026629 MI
5101023378 MI
5151013371 MI
Self-reported in NPPES; status is on the state search
Practice location
300 68TH Street SE, Grand Rapids, MI 49548
Phone
(616) 456-0842
Enumerated
Jun 19, 2017
Record last updated
Jul 21, 2022
Fax
(616) 559-5864
Medicare enrollment
Enrolled (PECOS I20220720002730); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2017
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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Also registered at 300 68TH Street SE

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

  1. Weston Anderson, DOPsychiatry Physician1982134623
  2. Steven Clevenger, DOPsychiatry Physician1912566282
  3. Anthony Fryling, DLLPPsychologist1295084390
  4. Sharita Hall, LMSWSocial Worker1386738953
  5. Talal Khan, M.D.Psychiatry Physician1013151547
  6. Sandra Masselink, LMSWClinical Social Worker1598114894

Verify Zachary David Loy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101026629
    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 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.

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One hospital affiliation

  1. Pine Rest Christian Mental Health ServicesGrand Rapids, MI · Psychiatric

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Zachary David Loy among 1,729 psychiatry physician records in Michigan

Zachary David Loy, DO is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 71% of them.

  • NPI issued2017 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2017 · median 2005 among the 828 with a school on file
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

206 psychiatry physician records list a practice address in Grand Rapids

They are 206 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,729 psychiatry physician records in Michigan.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Eric Achtyes, MDGrand Rapids, MI 495481780665976
  2. Jaime Ayala, M.D.Grand Rapids, MI 495481235180720
  3. William Beute, M.D.Grand Rapids, MI 495481093761827
  4. Eric Erickson, DOGrand Rapids, MI 495481558342220
  5. Jeffrey Jackson, MDGrand Rapids, MI 495481598711186
  6. Robert Lafleur, D.O.Grand Rapids, MI 495481043260177
  7. Jack Mahdasian, MDGrand Rapids, MI 495481841246634
  8. Carlos Marcano, MDGrand Rapids, MI 495481639125040

Common questions

What is Zachary David Loy, DO's NPI number?

Zachary David Loy, DO's National Provider Identifier (NPI) is 1912437245, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Zachary David Loy, DO located?

The NPPES record lists a practice address at 300 68TH Street SE, Grand Rapids, MI, 49548. Phone: (616) 456-0842. Providers update this record themselves, so call before visiting.

How can I verify Zachary David Loy, DO's license?

NPPES lists Michigan license number 5101026629, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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. 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.