Howard Linzer, D.O.
Family Medicine Physician · Naples, FL
Howard Linzer, D.O. is a family medicine physician with a practice address in Naples, Florida, and NPI 1164426912, issued on Jun 9, 2005. Check the license (Florida OS0007727, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Howard Linzer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS0007727 FL
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Davis Blvd, Naples, FL 34104
- Phone
- (239) 775-2300
- Enumerated
- Jun 9, 2005
- Record last updated
- Aug 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (239) 775-4312
- Medicaid ID
- 258604500 FL
- Medicare enrollment
- Enrolled (PECOS I20070110000167); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Verify Howard Linzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS0007727Check 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
300 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.
Most prescribed
- Azithromycin51 claims
- Azelastine Hcl46 claims
- Amoxicillin22 claims
- Methylprednisolone19 claims
- Doxycycline Monohydrate15 claims
- Mupirocin15 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
- MD Now Medical Centers IncCape Coral, FL
- Urgent Care OF Naples PANaples, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Linzer among 9,399 family medicine physician records in Florida
Howard Linzer, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2004 among the 5,504 with a school on file
- Record last updated2013 · 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
- Ruben Contreras, MDNaples, FL 341051831153964
- Demetrios Gasparis, M.D.Naples, FL 341031427217140
- Jennifer Jameson, MDNaples, FL 341031457327413
- Richard Miller, MDNaples, FL 341051942548078
- John Peters, MDNaples, FL 341051578789830
- Clayton Rabens, M.D., M.P.H.Naples, FL 341031043310311
- Carolina Young Ortiz, MDNaples, FL 341051588848386
- Jacqueline Alvarez, MDNaples, FL 341021881278455
Common questions
What is Howard Linzer, D.O.'s NPI number?
Howard Linzer, D.O.'s National Provider Identifier (NPI) is 1164426912, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Howard Linzer, D.O. located?
The NPPES record lists a practice address at 6400 Davis Blvd, Naples, FL, 34104. Phone: (239) 775-2300. Providers update this record themselves, so call before visiting.
How can I verify Howard Linzer, D.O.'s license?
NPPES lists Florida license number OS0007727, 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 Howard Linzer, D.O. prescribe under Medicare Part D?
In 2024, Howard Linzer, D.O. had 300 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.