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Colorectal Surgery (Proctology)

Lucas A. Julien, MD

Works at hospitals in Lansing, MI · Michigan

Summary

Dr. Lucas A. Julien, MD is a colorectal surgeon at 1627 Lake Lansing Rd, Suite 100, Lansing, MI 48912. Phone: (517) 332-1200. Accepts Medicare assignment. In 2024, Lucas A. Julien had 179 Original Medicare patients and 317 services. NPI 1821213315. 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: Colorectal surgeon (Medicare lists Colorectal Surgery (Proctology))
  • Address: 1627 Lake Lansing Rd, Suite 100, Lansing, MI 48912 · Directions (2 more locations)
  • Phone: (517) 332‑1200
  • Medicare: Accepts Medicare assignment
  • Hospital: Edward W Sparrow Hospital
  • Group practice: Edward W Sparrow Hospital Association (+1 more)
  • Medical school: Michigan State University College Of Human Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Lucas A. Julien, 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 Lucas A. Julien accept Medicare assignment?
Yes. Medicare's clinician data says Lucas A. Julien 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 Lucas A. Julien see?
In 2024, CMS data shows 179 Original Medicare patients and 317 services for Lucas A. Julien. This counts Original Medicare only and measures volume, not quality.
What is Lucas A. Julien's NPI number?
1821213315. 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 Lucas A. Julien, 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 patients179
Services billed to Medicare317
Different services or procedures39
Participating Medicare providerYes
Average age of these patients71

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)49 services
  2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)30 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)28 services
  5. Diagnostic exam of anus using an endoscope (46600)27 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 cholesterol73%
  • High blood pressure64%
  • Arthritis50%
  • Anxiety34%
  • Depression25%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%

Hospitals where Lucas A. Julien works

Medicare's Facility Affiliation Data lists Lucas A. Julien 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 Lucas A. Julien is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lucas A. Julien as a member of these groups (CMS data updated October 2, 2026).

  • Edward W Sparrow Hospital Association730 clinicians in the group
  • Troy Gastroenterology PC49 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in Michigan →

Other colorectal surgeons in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All colorectal surgeons in Michigan →

Other clinicians in Edward W Sparrow Hospital Association

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

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821213315
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