William S. Eddy, DO
Family Medicine Physician · Niles, OH
William S. Eddy, DO is a family medicine physician with a practice address in Niles, Ohio, and NPI 1992788509, issued on Nov 29, 2005. Check the license (Ohio 3699, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William S. Eddy
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 3699 OH
Self-reported in NPPES; status is on the state search - Practice location
- 929 Robbins Ave, Niles, OH 44446
- Phone
- (330) 652-5512
- Enumerated
- Nov 29, 2005
- Record last updated
- Nov 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (330) 652-5122
- Medicaid ID
- 0575515 OH
- Medicare enrollment
- Enrolled (PECOS I20100223000418); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 929 Robbins Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Klein, PA-CPhysician Assistant1154074789
Verify William S. Eddy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 3699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,286 Medicare Part D claims for 574 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. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium629 claims
- Levothyroxine Sodium430 claims
- Gabapentin311 claims
- Metformin Hcl287 claims
- Pantoprazole Sodium257 claims
- Amlodipine Besylate241 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.
Bills Medicare through 2 group practices
- Mercy Health Physicians Youngstown, LLCYoungstown, OH
- Novacare Rehabilitation OF Ohio IncNiles, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William S. Eddy among 5,606 family medicine physician records in Ohio
William S. Eddy, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2005 among the 3,510 with a school on file
- Record last updated2009 · 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).
7 family medicine physician records list a practice address in Niles
They are 7 of the 878 NPPES records with a practice address in Niles, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Niles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Ciletti, MDNiles, OH 444461750389011
- Mara CordnerNiles, OH 444461184468001
- Joseph Cordova, MDNiles, OH 444461710974027
- Phillip Malvasi, DONiles, OH 444461376690438
- Edward Novosel, DONiles, OH 444461871574079
- Joseph Potocki, DONiles, OH 444461326017880
- Sydney FerrisNew Waterford, OH 444451922966407
- John Baker, D.O.Newton Falls, OH 444441205987666
Common questions
What is William S. Eddy, DO's NPI number?
William S. Eddy, DO's National Provider Identifier (NPI) is 1992788509, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William S. Eddy, DO located?
The NPPES record lists a practice address at 929 Robbins Ave, Niles, OH, 44446. Phone: (330) 652-5512. Providers update this record themselves, so call before visiting.
How can I verify William S. Eddy, DO's license?
NPPES lists Ohio license number 3699, 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 S. Eddy, DO prescribe under Medicare Part D?
In 2024, William S. Eddy, DO had 8,286 Medicare Part D claims for 574 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.