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MARK PFEIFER MD
NPI 1699753384
Internal Medicine in Louisville, KY

Active since January 04, 2006PECOS Enrolled
201 ABRAHAM FLEXNER WAY, #1001, LOUISVILLE, KY 40202(502) 589-6788(502) 589-5093 Get Directions Write a Review

NPPES record last updated: May 2, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Pfeifer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK PFEIFER MD (NPI 1699753384) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (25447) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699753384
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK PFEIFERCredential: MD
Location Address201 ABRAHAM FLEXNER WAY, #1001Louisville, KY 40202-3841
Mailing Address501 E Broadway, #220Louisville, KY 40202-1785 · (502) 589-4856 · Fax (502) 589-5093
Phone(502) 589-6788
Fax(502) 589-5093
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateMay 2, 2008
✔ NPI 1699753384 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in KY · 25447
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
201 ABRAHAM FLEXNER WAY, Louisville, KY 40202
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Other Identifiers 3

Medicaid64254477KY
Medicare ID-Type Unspecified0366651KY
Medicare UPINC69091KY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Pfeifer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Pfeifer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Louisville Physicians, Inc.
Same address
Thoracic Surgery (Cardiothoracic Vascular Surgery)
201 ABRAHAM FLEXNER WAY, SUITE 1200
Louisville, KY 40202
  • Reassigned Medicare billing, Kentucky enrollment
  • 2,337 clinicians in this Medicare group
NPI 1487096517 (502) 583-8383

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARTHA TRIMBLE MCCOY M.D.
Surgery
201 ABRAHAM FLEXNER WAY, STE 902
LOUISVILLE, KY 40202
Jefferson County (502) 583-5945
RAYMOND G SHEA MD PSC
Orthopaedic Surgery
201 ABRAHAM FLEXNER WAY, SUITE 100
LOUISVILLE, KY 40202
Jefferson County (502) 587-8222
MRS. CHRISTIN E HONAKER MD
Internal Medicine
201 ABRAHAM FLEXNER WAY, SUITE 904
LOUISVILLE, KY 40202
Jefferson County (502) 589-3844
MS. HEATHER J MOODY APRN
Nurse Practitioner (Acute Care)
201 ABRAHAM FLEXNER WAY, SUITE 1200
LOUISVILLE, KY 40202
Jefferson County (502) 583-8383
SUDHIR NARAIN MD
Internal Medicine
201 ABRAHAM FLEXNER WAY, #1001
LOUISVILLE, KY 40202
Jefferson County (502) 589-6788
LAUREN MICHELLE HAMILTON APRN
Nurse Practitioner (Critical Care Medicine)
201 ABRAHAM FLEXNER WAY
LOUISVILLE, KY 40202
Jefferson County (502) 588-7600
DALE M. ROBERTS MD
Plastic Surgery
201 ABRAHAM FLEXNER WAY, SUITE 1105
LOUISVILLE, KY 40202
Jefferson County (502) 581-9223
VRINDA SARDANA M.D.
Internal Medicine (Cardiovascular Disease)
201 ABRAHAM FLEXNER WAY, SUITE 1101
LOUISVILLE, KY 40202
Jefferson County (502) 581-1951

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Pfeifer's NPI number?

The NPI number for Mark Pfeifer is 1699753384. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Mark Pfeifer located?

Mark Pfeifer practices at 201 Abraham Flexner Way #1001, Louisville, KY 40202. The listed phone number is (502) 589-6788.

What is Mark Pfeifer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Pfeifer enrolled in Medicare?

Yes. Mark Pfeifer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Pfeifer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Pfeifer reassigns Medicare benefits to University Of Louisville Physicians, Inc. (Louisville, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Pfeifer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Pfeifer was last updated on May 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.