NPPES file of Aug 9, 2026

John Zachary Korin, MD

Internal Medicine Physician · Sarasota, FL

John Zachary Korin, MD is an internal medicine physician with a practice address in Sarasota, Florida, and NPI 1285338970, issued on Mar 28, 2023. Check the license (Florida ME179131, 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
1285338970
Name
John Zachary Korin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
ME179131 FL
Self-reported in NPPES; status is on the state search
Practice location
5880 Rand Blvd Ste 200, Sarasota, FL 34238
Phone
(941) 917-2300
Enumerated
Mar 28, 2023
Record last updated
Jun 2, 2026
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 5880 Rand Blvd Ste 200

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

  1. Kristen Paulus, MDInternal Medicine Physician1639168628
  2. Kristen Rahn, MDFamily Medicine Physician1457377244

Verify John Zachary Korin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME179131
    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

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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

258 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. John Korin258
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate24 claims
  2. Atorvastatin Calcium20 claims
  3. Levothyroxine Sodium14 claims
  4. Lisinopril12 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.

John Zachary Korin among 10,151 internal medicine physician records in Florida

John Zachary Korin, MD 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 2023, is newer than 96% of them.

  • NPI issued2023 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2026 · 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).

216 internal medicine physician records list a practice address in Sarasota

They are 216 of the 6,548 NPPES records with a practice address in Sarasota, and 10,151 internal medicine physician records in Florida.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Brus, MDSarasota, FL 342381922097948
  2. Rebecca Cuello, DOSarasota, FL 342381063851517
  3. Robert Iverson, M.D.Sarasota, FL 342381578624862
  4. Myron Kwan, M.D.Sarasota, FL 342381164427381
  5. William Martin, MDSarasota, FL 342381952397184
  6. Vicki McCarren, MDSarasota, FL 342381134198864
  7. Joseph Narvaez, M.D.Sarasota, FL 342381134357049
  8. Kristen Paulus, MDSarasota, FL 342381639168628

Common questions

What is John Zachary Korin, MD's NPI number?

John Zachary Korin, MD's National Provider Identifier (NPI) is 1285338970, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is John Zachary Korin, MD located?

The NPPES record lists a practice address at 5880 Rand Blvd Ste 200, Sarasota, FL, 34238. Phone: (941) 917-2300. Providers update this record themselves, so call before visiting.

How can I verify John Zachary Korin, MD's license?

NPPES lists Florida license number ME179131, 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 John Zachary Korin, MD prescribe under Medicare Part D?

In 2024, John Zachary Korin, MD had 258 Medicare Part D claims for 61 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.