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General Practice

Marcene F. Kreifels, MD

Sees patients in Crestview, FL · Defuniak Springs, FL · Florida

Summary

Dr. Marcene F. Kreifels, MD is a general practitioner at 1198 S Ferdon Blvd, Crestview, FL 32536. Phone: (850) 682-1735. Accepts Medicare assignment. In 2024, Marcene F. Kreifels had 26 Original Medicare patients and 223 services. NPI 1801905039. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General practitioner (Medicare lists General Practice)
  • Address: 1198 S Ferdon Blvd, Crestview, FL 32536 · Directions (1 more location)
  • Phone: (850) 682‑1735
  • Medicare: Accepts Medicare assignment
  • Medical school: Creighton University School Of Medicine · graduated 1979 (47 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marcene F. Kreifels, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Marcene F. Kreifels accept Medicare assignment?
Yes. Medicare's clinician data says Marcene F. Kreifels accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Marcene F. Kreifels see?
In 2024, CMS data shows 26 Original Medicare patients and 223 services for Marcene F. Kreifels. This counts Original Medicare only and measures volume, not quality.
What is Marcene F. Kreifels's NPI number?
1801905039. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marcene F. Kreifels, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients26
Services billed to Medicare223
Different services or procedures3
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)202 services
  2. Insertion of needle into vein for collection of blood sample (36415)16 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol54%

Practice locations

Addresses where Marcene F. Kreifels is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Practice doctors in Florida →

Other general practitioners in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All general practitioners in Florida →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1979 (47 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801905039
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians