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Internal Medicine

Chelsea M. Dalfrey, DO

Works at hospitals in Baton Rouge, LA · Louisiana

Summary

Dr. Chelsea M. Dalfrey, DO is an internal medicine doctor at 17000 Medical Ctr Dr, Baton Rouge, LA 70816. Phone: (225) 761-5200. Accepts Medicare assignment. In 2024, Chelsea M. Dalfrey had 98 Original Medicare patients and 212 services. NPI 1811554827. 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: 17000 Medical Ctr Dr, Baton Rouge, LA 70816 · Directions (1 more location)
  • Phone: (225) 761‑5200
  • Medicare: Accepts Medicare assignment
  • Hospital: Ochsner Medical Center - Baton Rouge
  • Group practice: Ochsner Clinic LLC
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2019 (7 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 Chelsea M. Dalfrey, 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 Chelsea M. Dalfrey accept Medicare assignment?
Yes. Medicare's clinician data says Chelsea M. Dalfrey 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 Chelsea M. Dalfrey see?
In 2024, CMS data shows 98 Original Medicare patients and 212 services for Chelsea M. Dalfrey. This counts Original Medicare only and measures volume, not quality.
What is Chelsea M. Dalfrey's NPI number?
1811554827. 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 Chelsea M. Dalfrey, 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 patients98
Services billed to Medicare212
Different services or procedures18
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 services
  3. 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)19 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 cholesterol72%
  • Arthritis51%
  • Anxiety36%
  • Depression34%
  • Diabetes30%

Hospitals where Chelsea M. Dalfrey works

Medicare's Facility Affiliation Data lists Chelsea M. Dalfrey 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 Chelsea M. Dalfrey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chelsea M. Dalfrey as a member of this group (CMS data updated October 2, 2026).

  • Ochsner Clinic LLC2,864 clinicians in the group

Specialties

Find other Internal Medicine doctors in Louisiana →

Other internal medicine doctors in Baton Rouge

Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.

All internal medicine doctors in Baton Rouge →

Other clinicians in Ochsner Clinic LLC

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811554827
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