NPPES file of Aug 9, 2026

Douglas Harley Slater, MD

Pediatrics Physician · Grayling, MI

Douglas Harley Slater, MD is a pediatrics physician with a practice address in Grayling, Michigan, and NPI 1134152382, issued on Jul 9, 2006. Check the license (Michigan 4301406865, 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
1134152382
Name
Douglas Harley Slater
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
4301406865 MI
Self-reported in NPPES; status is on the state search
Practice location
1250 E Michigan Ave, Grayling, MI 49738
Phone
(989) 348-0550
Enumerated
Jul 9, 2006
Record last updated
Aug 23, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(989) 348-6749
Medicaid IDs
2982265 MI
3389713 MI
4120160 MI
Medicare enrollment
Enrolled (PECOS I20040809000917); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 1986
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 1250 E Michigan Ave

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

  1. Jason Bennett, DOOrthopaedic Surgery Physician1699921106
  2. Nicole Cameron, NPNurse Practitioner1710466024
  3. Sarah ColemanPhysical Therapist1881161594
  4. Rachel DawsonOccupational Therapist1427526003
  5. Brittany Duell, FNPPrimary Care Nurse Practitioner1386317857
  6. Angela Erber, MSN, CNMMidwife1992662779

Verify Douglas Harley Slater 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 4301406865
    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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Bills Medicare through 2 group practices

  1. Grand Traverse Physician Services PCTraverse City, MI
  2. Sound Inpatient Physicians-Michigan PLLCTraverse City, MI

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

Douglas Harley Slater among 2,180 pediatrics physician records in Michigan

Douglas Harley Slater, MD is one of 2,180 pediatrics physician records with a practice address in Michigan. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated1986 · median 2011 among the 235 with a school on file
  • Record last updated2007 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Michigan

There are 2,180 pediatrics physician records in Michigan.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Matthew Rettke, M.D.Grayling, MI 497381548250020
  2. Boyd Manges, MDHarbor Springs, MI 497401063441137
  3. Luis Collazo, M.D.Gaylord, MI 497351598754715
  4. Steve Kaufmann, D.O.Gaylord, MI 497351790716470
  5. Karen Koby-Olson, M.D.Gaylord, MI 497351821045006
  6. Alexis Payne, MDGaylord, MI 497351134816424
  7. Jennifer Atkins, M.D.Indian River, MI 497491518983006
  8. Megan Coggon, M.D.Charlevoix, MI 497201730594573

Common questions

What is Douglas Harley Slater, MD's NPI number?

Douglas Harley Slater, MD's National Provider Identifier (NPI) is 1134152382, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Harley Slater, MD located?

The NPPES record lists a practice address at 1250 E Michigan Ave, Grayling, MI, 49738. Phone: (989) 348-0550. Providers update this record themselves, so call before visiting.

How can I verify Douglas Harley Slater, MD's license?

NPPES lists Michigan license number 4301406865, 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.