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Internal Medicine

Hallie J. Kretsinger, MD

Works at hospitals in Lawrence, KS · Kansas City, KS · Kansas

Summary

Dr. Hallie J. Kretsinger, MD is an internal medicine doctor at 4525 W 6th St, 100 Lmh Health Primary Care 6th and Folks Roa, Lawrence, KS 66049. Phone: (785) 505-5160. Accepts Medicare assignment. In 2024, Hallie J. Kretsinger had 718 Original Medicare patients and 3,935 services. NPI 1164817912. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4525 W 6th St, 100 Lmh Health Primary Care 6th and Folks Roa, Lawrence, KS 66049 · Directions
  • Phone: (785) 505‑5160
  • Medicare: Accepts Medicare assignment
  • Hospitals: LMH, University of Kansas Hospital
  • Group practice: Lawrence Physicians LLC
  • Medical school: University Of Kansas School Of Med (kc/wich/sal) · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Hallie J. Kretsinger, 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 Hallie J. Kretsinger accept Medicare assignment?
Yes. Medicare's clinician data says Hallie J. Kretsinger 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 Hallie J. Kretsinger see?
In 2024, CMS data shows 718 Original Medicare patients and 3,935 services for Hallie J. Kretsinger. This counts Original Medicare only and measures volume, not quality.
What is Hallie J. Kretsinger's NPI number?
1164817912. 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 Hallie J. Kretsinger, 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 patients718
Services billed to Medicare3,935
Different services or procedures68
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)899 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)718 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)296 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)292 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)249 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 cholesterol60%
  • High blood pressure55%
  • Arthritis39%
  • Depression24%
  • Anxiety24%
  • Osteoporosis24%

Hospitals where Hallie J. Kretsinger works

Medicare's Facility Affiliation Data lists Hallie J. Kretsinger at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • LMHLawrence, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170137
  • University of Kansas HospitalKansas City, KS · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 170040

Practice locations

Addresses where Hallie J. Kretsinger is enrolled with Medicare (CMS data updated October 2, 2026).

  • 4525 W 6th St, 100 Lmh Health Primary Care 6th and Folks RoaLawrence, KS 66049 (785) 505‑5160

Group practices

Medicare enrollment lists Hallie J. Kretsinger as a member of this group (CMS data updated October 2, 2026).

  • Lawrence Physicians LLC226 clinicians in the group

Specialties

Find other Internal Medicine doctors in Kansas →

Other internal medicine doctors in Lawrence

Clinicians with the same Medicare primary specialty in Lawrence, KS — not a recommendation.

All internal medicine doctors in Lawrence →

Other clinicians in Lawrence Physicians LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164817912
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians