Mark Josephson, MD
Family Medicine Physician · Naples, FL
Mark Josephson, MD is a family medicine physician with a practice address in Naples, Florida, and NPI 1649223470, issued on May 19, 2006. Check the license (Florida ME87490, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Mark Josephson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- ME87490 FL
Self-reported in NPPES; status is on the state search - Practice location
- 311 9TH St N Ste 306, Naples, FL 34102
- Phone
- (239) 624-0340
- Enumerated
- May 19, 2006
- Record last updated
- Nov 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (239) 624-0341
- Medicare enrollment
- Enrolled (PECOS I20040302001142); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota, Duluth School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 311 9TH St N Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Southmayd, MDInternal Medicine Physician1922011287
- Gary Swain, MDFamily Medicine Physician1245296813
Verify Mark Josephson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME87490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family medicine physician in 2024
2,358 Medicare Part D claims for 227 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium179 claims
- Atorvastatin Calcium137 claims
- Levothyroxine Sodium116 claims
- Amlodipine Besylate106 claims
- Losartan Potassium86 claims
- Metoprolol Succinate82 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.
Industry payments in 2024: $111.18
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Mark Josephson among 9,399 family medicine physician records in Florida
Mark Josephson, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2004 among the 5,504 with a school on file
- Record last updated2021 · 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
- Cynthia Bell, MDNaples, FL 341021417909755
- Douglas Bernard, MDNaples, FL 341021306814470
- Theodore Crowell, M.D.Naples, FL 341021902802606
- Edwin Dean, MDNaples, FL 341021528010022
- Angel Herrera, MDNaples, FL 341021316986680
- Paul Jones, MDNaples, FL 341021376582684
- Ashley Langford Tunkle, M.D.Naples, FL 341021285603670
- Gregory Leach, M.D.Naples, FL 341021952307662
Common questions
What is Mark Josephson, MD's NPI number?
Mark Josephson, MD's National Provider Identifier (NPI) is 1649223470, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Josephson, MD located?
The NPPES record lists a practice address at 311 9TH St N Ste 306, Naples, FL, 34102. Phone: (239) 624-0340. Providers update this record themselves, so call before visiting.
How can I verify Mark Josephson, MD's license?
NPPES lists Florida license number ME87490, 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 Mark Josephson, MD prescribe under Medicare Part D?
In 2024, Mark Josephson, MD had 2,358 Medicare Part D claims for 227 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.