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Diagnostic Radiology

Julian T. Simmons, MD

Works at hospitals in Baltimore, MD · Bel Air, MD · Glen Burnie, MD … · Maryland

Summary

Dr. Julian T. Simmons, MD is a radiologist at 200 Memorial Ave, Westminster, MD 21157. Phone: (410) 871-6888. Accepts Medicare assignment. In 2024, Julian T. Simmons had 4,073 Original Medicare patients and 63,921 services. NPI 1538105838. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Julian T. Simmons, 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 Julian T. Simmons accept Medicare assignment?
Yes. Medicare's clinician data says Julian T. Simmons 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 Julian T. Simmons see?
In 2024, CMS data shows 4,073 Original Medicare patients and 63,921 services for Julian T. Simmons. This counts Original Medicare only and measures volume, not quality.
What is Julian T. Simmons's NPI number?
1538105838. 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 Julian T. Simmons, 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 patients4,073
Services billed to Medicare63,921
Different services or procedures180
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, gadoterate meglumine, 0.1 ml (A9575)30,770 services
  2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)27,850 services
  3. Dxa bone density measurement of hip, pelvis, spine (77080)458 services
  4. X-ray of chest, 2 views (71046)362 services
  5. Low dose ct scan of chest for lung cancer screening (71271)259 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%
  • Arthritis57%
  • Diabetes34%
  • Ischemic heart disease31%
  • Anxiety29%

Hospitals where Julian T. Simmons works

Medicare's Facility Affiliation Data lists Julian T. Simmons 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 Julian T. Simmons is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Julian T. Simmons as a member of this group (CMS data updated October 2, 2026).

  • Advanced Radiology P A188 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Maryland →

Other radiologists in Westminster

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

All radiologists in Westminster →

Other clinicians in Advanced Radiology P A

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

Clinician information

CredentialMD
Medical schoolCincinnati College Of Medicine And Surgery
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538105838
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