NPPES file of Aug 9, 2026

Gary P. Holloway, D.O.

Family Medicine Physician · Lake Orion, MI

Gary P. Holloway, D.O. is a family medicine physician with a practice address in Lake Orion, Michigan, and NPI 1982625976, issued on Jul 22, 2006. Check the license (Michigan 5101012531, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982625976
Name
Gary P. Holloway
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101012531 MI
Self-reported in NPPES; status is on the state search
Practice location
46 W Shadbolt St, Lake Orion, MI 48362
Phone
(248) 814-9300
Enumerated
Jul 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(248) 814-9304
Medicaid ID
3402566-11 MI
Medicare enrollment
Enrolled (PECOS I20040219000502); accepts Medicare assignment
Medical or professional school
Oklahoma State University College Of Osteopathic Medicine, 1994
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.
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Also registered at 46 W Shadbolt St

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

  1. Diana Cohen, D.O.Obstetrics & Gynecology Physician1811071764
  2. Richard Cohen, D.O.Family Medicine Physician1386668333

Verify Gary P. Holloway 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 5101012531
    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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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

10,003 Medicare Part D claims for 376 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 554 claims were for opioids.

  1. Gary Holloway10,003
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen402 claims
  2. Atorvastatin Calcium388 claims
  3. Levothyroxine Sodium334 claims
  4. Omeprazole333 claims
  5. Alprazolam296 claims
  6. Gabapentin250 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Mclaren OaklandLake Orion, MI · Acute Care Hospitals2 of 5 stars

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). Star ratings are CMS hospital ratings, not ratings of this provider.

Gary P. Holloway among 6,013 family medicine physician records in Michigan

Gary P. Holloway, D.O. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1994 · median 2008 among the 3,493 with a school on file
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 family medicine physician records list a practice address in Lake Orion

They are 20 of the 448 NPPES records with a practice address in Lake Orion, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Cohen, D.O.Lake Orion, MI 483621386668333
  2. Ashley Aragona, MDLake Orion, MI 483601396241402
  3. James Bauer, MDLake Orion, MI 483601922053685
  4. Sabrinia Churico, MDLake Orion, MI 483601043913726
  5. Kevin Do, DOLake Orion, MI 483601750777066
  6. Sandra Golden, MDLake Orion, MI 483601528033594
  7. Joseph Gorz, D.OLake Orion, MI 483601306286893
  8. Vincenzo Guglielmetti, M.D.Lake Orion, MI 483601508958737

Common questions

What is Gary P. Holloway, D.O.'s NPI number?

Gary P. Holloway, D.O.'s National Provider Identifier (NPI) is 1982625976, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary P. Holloway, D.O. located?

The NPPES record lists a practice address at 46 W Shadbolt St, Lake Orion, MI, 48362. Phone: (248) 814-9300. Providers update this record themselves, so call before visiting.

How can I verify Gary P. Holloway, D.O.'s license?

NPPES lists Michigan license number 5101012531, 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.

How much does Gary P. Holloway, D.O. prescribe under Medicare Part D?

In 2024, Gary P. Holloway, D.O. had 10,003 Medicare Part D claims for 376 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.