NPPES file of Aug 9, 2026

James K. Warren, MD

Cardiovascular Disease Physician · Kissimmee, FL

James K. Warren, MD is a cardiovascular disease physician with a practice address in Kissimmee, Florida, and NPI 1942296769, issued on Sep 27, 2005. Check the license (Florida ME125275, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942296769
Name
James K. Warren
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
ME125275 FL
Self-reported in NPPES; status is on the state search
Practice location
601 Oak Commons Blvd, Kissimmee, FL 34741
Phone
(407) 849-0626
Enumerated
Sep 27, 2005
Record last updated
Sep 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(407) 846-2524
Medicaid ID
282495501 TX
Medicare enrollment
Enrolled (PECOS I20151012000619); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 601 Oak Commons Blvd

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

  1. Robert Barrett, MDCardiovascular Disease Physician1477553436
  2. Ashley Cavallaro, APRNFamily Nurse Practitioner1225683782
  3. Allison Germaine, APRNFamily Nurse Practitioner1356077747
  4. George Gobrial, MDCardiovascular Disease Physician1881002889
  5. Deborah Huddleston, ARNPNurse Practitioner1205818838
  6. Jooby John, M.D.Interventional Cardiology Physician1891897880

Verify James K. Warren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME125275
    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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35% more Medicare Part D claims than the average cardiovascular disease physician in 2024

4,146 Medicare Part D claims for 694 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. James Warren4,146
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate321 claims
  2. Atorvastatin Calcium308 claims
  3. Losartan Potassium272 claims
  4. Amlodipine Besylate241 claims
  5. Carvedilol238 claims
  6. Eliquis220 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $312.55

10 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Warren$312.55
  2. Specialty average$3,819.56

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

  1. Cardiovascular Associates IncKissimmee, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James K. Warren among 1,946 cardiovascular disease physician records in Florida

James K. Warren, MD is one of 1,946 cardiovascular disease physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 79% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1987 · median 1995 among the 1,427 with a school on file
  • Record last updated2015 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Florida

There are 1,946 cardiovascular disease physician records in Florida.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Robert Barrett, MDKissimmee, FL 347411477553436
  2. George Gobrial, MDKissimmee, FL 347411881002889
  3. Rafael Jimenez, MDKissimmee, FL 347411568493443
  4. Thomas Kim, MDKissimmee, FL 347411194726844
  5. Mukesh Kumar, MDKissimmee, FL 347411043249634
  6. Johnson Massey, MDKissimmee, FL 347411265432231
  7. Jonathan Massey, MDKissimmee, FL 347411992237218
  8. Patrick Mathias, MDKissimmee, FL 347411982604989

Common questions

What is James K. Warren, MD's NPI number?

James K. Warren, MD's National Provider Identifier (NPI) is 1942296769, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James K. Warren, MD located?

The NPPES record lists a practice address at 601 Oak Commons Blvd, Kissimmee, FL, 34741. Phone: (407) 849-0626. Providers update this record themselves, so call before visiting.

How can I verify James K. Warren, MD's license?

NPPES lists Florida license number ME125275, 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 James K. Warren, MD prescribe under Medicare Part D?

In 2024, James K. Warren, MD had 4,146 Medicare Part D claims for 694 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is James K. Warren, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.