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Nurse Practitioner

Allison L. Hartman

Works at hospitals in Mishawaka, IN · Indiana

Summary

Allison L. Hartman is a nurse practitioner at 53880 Carmichael Dr, South Bend, IN 46635. Phone: (317) 455-1064. Accepts Medicare assignment. In 2024, Allison L. Hartman had 78 Original Medicare patients and 168 services. NPI 1285164285. 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: Nurse practitioner
  • Address: 53880 Carmichael Dr, South Bend, IN 46635 · Directions (1 more location)
  • Phone: (317) 455‑1064
  • Medicare: Accepts Medicare assignment
  • Hospital: Saint Joseph Regional Medical Center
  • Group practice: Central Indiana Orthopedics LLC
  • School: graduated 2017
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Allison L. Hartman, 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 Allison L. Hartman accept Medicare assignment?
Yes. Medicare's clinician data says Allison L. Hartman 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 Allison L. Hartman see?
In 2024, CMS data shows 78 Original Medicare patients and 168 services for Allison L. Hartman. This counts Original Medicare only and measures volume, not quality.
What is Allison L. Hartman's NPI number?
1285164285. 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 Allison L. Hartman, 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 patients78
Services billed to Medicare168
Different services or procedures31
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
  2. Removal of bone joints between wrist and fingers (25447)13 services
  3. X-ray of wrist, minimum of 3 views (73110)12 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)11 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 pressure72%
  • High cholesterol71%
  • Arthritis63%
  • Diabetes31%
  • Depression29%
  • Anxiety29%

Hospitals where Allison L. Hartman works

Medicare's Facility Affiliation Data lists Allison L. Hartman 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.

Practice locations

Addresses where Allison L. Hartman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Allison L. Hartman as a member of this group (CMS data updated October 2, 2026).

  • Central Indiana Orthopedics LLC148 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Indiana →

Other nurse practitioners in South Bend

Clinicians with the same Medicare primary specialty in South Bend, IN — not a recommendation.

All nurse practitioners in South Bend →

Other clinicians in Central Indiana Orthopedics LLC

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

Clinician information

Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285164285
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