Zackary David Anderson, DO
Internal Medicine Physician · Naples, FL
Zackary David Anderson, DO is an internal medicine physician with a practice address in Naples, Florida, and NPI 1942959010, issued on Mar 23, 2022. Check the license (Florida OS21541, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Zackary David Anderson
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS21541 FL
Self-reported in NPPES; status is on the state search - Practice location
- 350 7TH St N, Naples, FL 34102
- Phone
- (239) 624-0940
- Enumerated
- Mar 23, 2022
- Record last updated
- May 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250814004255); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 350 7TH St N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hussain Ali, MDStudent in an Organized Health Care Education/Training Program1043054208
Verify Zackary David Anderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS21541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
516 Medicare Part D claims for 147 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium38 claims
- Amlodipine Besylate35 claims
- Levothyroxine Sodium25 claims
- Losartan Potassium24 claims
- Lisinopril22 claims
- Gabapentin21 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 one group practice
- Nchmd IncNaples, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zackary David Anderson among 10,151 internal medicine physician records in Florida
Zackary David Anderson, DO is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2022 · median 2004 among the 6,606 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Bendeck, D.O.Naples, FL 341021972592442
- Susan Best, DONaples, FL 341021497758833
- Jeffrey Craig, MDNaples, FL 341021578528238
- George Ferguson, MDNaples, FL 341021336195098
- Phillip Francis, MDNaples, FL 341021134166176
- Hermes Koop, MDNaples, FL 341021619923323
- Richard Kravis, M.D.Naples, FL 341021215937016
- David Madwar, MDNaples, FL 341021255383592
Common questions
What is Zackary David Anderson, DO's NPI number?
Zackary David Anderson, DO's National Provider Identifier (NPI) is 1942959010, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zackary David Anderson, DO located?
The NPPES record lists a practice address at 350 7TH St N, Naples, FL, 34102. Phone: (239) 624-0940. Providers update this record themselves, so call before visiting.
How can I verify Zackary David Anderson, DO's license?
NPPES lists Florida license number OS21541, 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 Zackary David Anderson, DO prescribe under Medicare Part D?
In 2024, Zackary David Anderson, DO had 516 Medicare Part D claims for 147 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.