William H. Ruby, D.O.
Family Medicine Physician · Naples, FL
William H. Ruby, D.O. is a family medicine physician with a practice address in Naples, Florida, and NPI 1003149691, issued on Sep 14, 2009. Check the license (Florida OS10550, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William H. Ruby
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS10550 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3339 E Tamiami Trl Ste 145, Naples, FL 34112
- Phone
- (239) 252-8200
- Enumerated
- Sep 14, 2009
- Record last updated
- Jan 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (239) 252-8808
- Medicaid ID
- 001423600 FL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Verify William H. Ruby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS10550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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 H. Ruby among 9,399 family medicine physician records in Florida
William H. Ruby, D.O. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2011 · 51% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 family medicine physician records list a practice address in Naples
They are 135 of the 5,950 NPPES records with a practice address in Naples, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Naples → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Yanet Acosta, M.DNaples, FL 341121184911067
- William Bentz, D.O.Naples, FL 341121396718128
- Joan Benz, MDNaples, FL 341121992969976
- Crina Crisan-Duma, MDNaples, FL 341121609822121
- Lazaro Diaz-Nunez, MDNaples, FL 341121265665145
- Wanda Elozegui Alfonso, M.DNaples, FL 341121821246133
- Mary Anne Farris, M.D.Naples, FL 341121558619825
- Richard Friess, MDNaples, FL 341121346245164
Common questions
What is William H. Ruby, D.O.'s NPI number?
William H. Ruby, D.O.'s National Provider Identifier (NPI) is 1003149691, issued on Sep 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William H. Ruby, D.O. located?
The NPPES record lists a practice address at 3339 E Tamiami Trl Ste 145, Naples, FL, 34112. Phone: (239) 252-8200. Providers update this record themselves, so call before visiting.
How can I verify William H. Ruby, D.O.'s license?
NPPES lists Florida license number OS10550, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William H. Ruby, D.O. prescribe under Medicare Part D?
In 2024, William H. Ruby, D.O. had 12 Medicare Part D claims; 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.