NPPES file of Aug 9, 2026

Jack Clark, D.O.

Rheumatology Physician · Cape Coral, FL

Jack Clark, D.O. is a rheumatology physician with a practice address in Cape Coral, Florida, and NPI 1073563847, issued on May 11, 2006. Check the license (Florida OS8284, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073563847
Name
Jack Clark
Credential
D.O.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
OS8284 FL
Self-reported in NPPES; status is on the state search
Practice location
1528 Del Prado Blvd S, Cape Coral, FL 33990
Phone
(239) 458-3338
Enumerated
May 11, 2006
Record last updated
Sep 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(239) 458-0666
Medicaid ID
272380800 FL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1528 Del Prado Blvd S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. George Baker, P.A.Physician Assistant1467404905
  2. Emily Birkhead, DNP, APRN, FNP-BCFamily Nurse Practitioner1144934282
  3. Trevor Cox, D.O.Family Medicine Physician1265842231
  4. Laura Currier, APRNFamily Nurse Practitioner1336892785
  5. David Depree, MDInternal Medicine Physician1538167838
  6. Karen Desouza Ferreira HuntFamily Medicine Physician1194151589

Verify Jack Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS8284
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 times the Medicare Part D claims of the average rheumatology physician in 2024

6,770 Medicare Part D claims for 737 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 1,296 claims were for opioids.

  1. Jack Clark6,770
  2. Specialty average1,978

Most prescribed

  1. Methotrexate665 claims
  2. Tramadol Hcl599 claims
  3. Gabapentin452 claims
  4. Hydroxychloroquine Sulfate413 claims
  5. Prednisone366 claims
  6. Pregabalin318 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.

Jack Clark among 494 rheumatology physician records in Florida

Jack Clark, D.O. is one of 494 rheumatology 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Florida

There are 494 rheumatology physician records in Florida.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Nosheen Mazhar, MDCape Coral, FL 339901558347146
  2. Sash Seshadri, M.D.Port Charlotte, FL 339521457397069
  3. Leslie Tar, MDPort Charlotte, FL 339521720004484
  4. Melissa Matzumura Kuan, M.D.Cape Coral, FL 339141477818375
  5. David Baldinger, M.D.Fort Myers, FL 339121144228362
  6. Melissa Blom, MDFort Myers, FL 339121518288406
  7. Jodi Grosflam, M.D.Fort Myers, FL 339081790793461
  8. Matxalen Amezaga Urruela, M.D.Fort Myers, FL 339051205083276

Common questions

What is Jack Clark, D.O.'s NPI number?

Jack Clark, D.O.'s National Provider Identifier (NPI) is 1073563847, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jack Clark, D.O. located?

The NPPES record lists a practice address at 1528 Del Prado Blvd S, Cape Coral, FL, 33990. Phone: (239) 458-3338. Providers update this record themselves, so call before visiting.

How can I verify Jack Clark, D.O.'s license?

NPPES lists Florida license number OS8284, 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 Jack Clark, D.O. prescribe under Medicare Part D?

In 2024, Jack Clark, D.O. had 6,770 Medicare Part D claims for 737 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.