William R. Collier, MD
Family Medicine Physician · Marion, OH
William R. Collier, MD is a family medicine physician with a practice address in Marion, Ohio, and NPI 1811953730, issued on Apr 21, 2006. Check the license (Ohio 35083497, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William R. Collier
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35083497 OH
35.083497 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mckinley Park Dr, Marion, OH 43302
- Phone
- (740) 383-8728
- Enumerated
- Apr 21, 2006
- Record last updated
- Dec 29, 2022
- Medicaid ID
- 2557120 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 1000 Mckinley Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William R. Collier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35083497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
269 Medicare Part D claims for 171 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 29 claims were for opioids.
Most prescribed
- Cyclobenzaprine Hcl37 claims
- Ibuprofen26 claims
- Prednisone24 claims
- Cephalexin22 claims
- Ondansetron Odt22 claims
- Hydrocodone-Acetaminophen11 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.
William R. Collier among 5,606 family medicine physician records in Ohio
William R. Collier, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2022 · 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Marion
They are 16 of the 1,225 NPPES records with a practice address in Marion, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Marion → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bari Bett, MDMarion, OH 433021710931456
- Heather Columber, D.O.Marion, OH 433021548238371
- Mark Davis, M.D.Marion, OH 433021306814678
- John Engle, MDMarion, OH 433021518907203
- Raymond Gardner, M.D.Marion, OH 433021932107489
- Timothy Garner, M.D.Marion, OH 433021902868813
- Timothy Light, MDMarion, OH 433021255743043
- Qihui Liu, M.D.Marion, OH 433021215203708
Common questions
What is William R. Collier, MD's NPI number?
William R. Collier, MD's National Provider Identifier (NPI) is 1811953730, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William R. Collier, MD located?
The NPPES record lists a practice address at 1000 Mckinley Park Dr, Marion, OH, 43302. Phone: (740) 383-8728. Providers update this record themselves, so call before visiting.
How can I verify William R. Collier, MD's license?
NPPES lists Ohio license number 35083497, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William R. Collier, MD prescribe under Medicare Part D?
In 2024, William R. Collier, MD had 269 Medicare Part D claims for 171 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.