Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Kaelin O'Connell, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Kaelin O'Connell, MD (Internal Medicine) is listed by Medicare at 1 hospital in Baltimore, MD. NPI 1891226213. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kaelin O'Connell, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
9Years since medical school (graduated 2017)
Temple University School Of MedicineMedical school
FemaleGender (as listed)
Johns Hopkins UniversityGroup practice (+1 more)

Quick answers

Which hospitals does Kaelin O'Connell work at?
Medicare's official clinician data lists Kaelin O'Connell at 1 hospital: The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kaelin O'Connell see patients?
Medicare's clinician data lists 2 practice locations, including Baltimore, MD. Call before your visit to confirm the address.
What is Kaelin O'Connell's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Kaelin O'Connell accept Medicare assignment?
Medicare's clinician data says Kaelin O'Connell may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Kaelin O'Connell?
(410) 955-5000, as listed in official Medicare / NPI Registry data.
What is Kaelin O'Connell's NPI number?
1891226213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kaelin O'Connell works

Medicare's Facility Affiliation Data lists Kaelin O'Connell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Kaelin O'Connell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kaelin O'Connell as a member of these groups (CMS data updated 2026-10-02).

  • Johns Hopkins University2,909 clinicians in the group
  • Johns Hopkins University713 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Baltimore

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

All internal medicine doctors in Baltimore →

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1891226213
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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