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Internal Medicine

Ian Jennings, DO

Works at hospitals in Newark, DE · Elkton, MD · Delaware, Maryland

Summary

Dr. Ian Jennings, DO is an internal medicine doctor at 106 Bow St, Elkton, MD 21921. Phone: (410) 398-4000. Accepts Medicare assignment. In 2024, Ian Jennings had 139 Original Medicare patients and 389 services. NPI 1487282539. 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: 106 Bow St, Elkton, MD 21921 · Directions (1 more location)
  • Phone: (410) 398‑4000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Christiana Hospital, Union Hospital of Cecil County
  • Group practice: Christiana Care Health Services Inc (+1 more)
  • Medical school: University Of South Florida College Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ian Jennings, 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 Ian Jennings accept Medicare assignment?
Yes. Medicare's clinician data says Ian Jennings 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 Ian Jennings see?
In 2024, CMS data shows 139 Original Medicare patients and 389 services for Ian Jennings. This counts Original Medicare only and measures volume, not quality.
What is Ian Jennings's NPI number?
1487282539. 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 Ian Jennings, 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 patients139
Services billed to Medicare389
Different services or procedures6
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)293 services
  2. Hospital discharge day management, more than 30 minutes (99239)47 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)29 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 cholesterol75%
  • Arthritis49%
  • Chronic kidney disease49%
  • Ischemic heart disease47%
  • Anxiety46%

Hospitals where Ian Jennings works

Medicare's Facility Affiliation Data lists Ian Jennings 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.

  • Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001
  • Union Hospital of Cecil CountyElkton, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 210032

Practice locations

Addresses where Ian Jennings is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ian Jennings as a member of these groups (CMS data updated October 2, 2026).

  • Christiana Care Health Services Inc1,483 clinicians in the group
  • Union Hospital of Cecil County288 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Elkton

Clinicians with the same Medicare primary specialty in Elkton, MD — not a recommendation.

All internal medicine doctors in Elkton →

Other clinicians in Christiana Care Health Services Inc

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

Clinician information

CredentialDO
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487282539
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