NPPES file of Aug 9, 2026

Zachary Nathaniel Kossiver, PA-C

Emergency Medical Services (Emergency Medicine) Physician · Saint Petersburg, FL

Zachary Nathaniel Kossiver, PA-C is an emergency medical services (emergency medicine) physician with a practice address in Saint Petersburg, Florida, and NPI 1851006654, issued on Jan 17, 2023. Check the license (Florida PAT9116960, 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
1851006654
Name
Zachary Nathaniel Kossiver
Credential
PA-C
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
PAT9116960 FL
Self-reported in NPPES; status is on the state search
Practice location
6000 49TH St N, Saint Petersburg, FL 33709
Phone
(727) 521-4411
Enumerated
Jan 17, 2023
Record last updated
Jan 17, 2023
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 6000 49TH St N

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

  1. Gary AshlockRegistered Respiratory Therapist1235650102
  2. Ariel Botwin, MDVascular & Interventional Radiology Physician1447754577
  3. Melinda Coffman, APNAcute Care Nurse Practitioner1285932707
  4. Ashley Lefere, PAPhysician Assistant1962891622
  5. Andrew OndracekStudent in an Organized Health Care Education/Training Program1689251258
  6. Richard Redenbo, RPTPhysical Therapist1205042538

Verify Zachary Nathaniel Kossiver in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PAT9116960
    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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50% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

147 Medicare Part D claims for 91 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.

  1. Zachary Kossiver147
  2. Specialty average292

Most prescribed

  1. Cephalexin16 claims
  2. Prednisone12 claims
  3. Cefdinir11 claims
  4. Diclofenac Sodium11 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: $264.01

3 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 489 providers of this specialty with any payment received $337.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Kossiver$264.01
  2. Specialty average$337.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Zachary Nathaniel Kossiver among 185 emergency medical services (emergency medicine) physician records in Florida

Zachary Nathaniel Kossiver, PA-C is one of 185 emergency medical services (emergency medicine) physician records with a practice address in Florida. 68% 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 93% of them.

  • NPI issued2023 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2023 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in Florida

There are 185 emergency medical services (emergency medicine) physician records in Florida.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. Laurie Romig, MDSt Petersburg, FL 337101578705273
  2. Scott Plantz, M.D.St Petersburg, FL 337151669437562
  3. Robert Lufkin, M.D.Saint Petersburg, FL 337021356319024
  4. Stephen Saletta, MDSt Petersburg, FL 337021821186404
  5. Michael Akkashian, M.D.Clearwater, FL 337641780662676
  6. Raymond Sleszynski, DOTampa, FL 336091194825620
  7. Brian Tan, MDTampa, FL 336091538746326
  8. Jaime Thompson, M.D.Tampa, FL 336071417112723

Common questions

What is Zachary Nathaniel Kossiver, PA-C's NPI number?

Zachary Nathaniel Kossiver, PA-C's National Provider Identifier (NPI) is 1851006654, issued on Jan 17, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Nathaniel Kossiver, PA-C located?

The NPPES record lists a practice address at 6000 49TH St N, Saint Petersburg, FL, 33709. Phone: (727) 521-4411. Providers update this record themselves, so call before visiting.

How can I verify Zachary Nathaniel Kossiver, PA-C's license?

NPPES lists Florida license number PAT9116960, 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 Zachary Nathaniel Kossiver, PA-C prescribe under Medicare Part D?

In 2024, Zachary Nathaniel Kossiver, PA-C had 147 Medicare Part D claims for 91 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.