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Physician Assistant

Michael R. Hileman, PA

Works at hospitals in Wilmington, DE · Delaware

Summary

Michael R. Hileman, PA is a physician assistant at 421 S Union Ave, Suite 201, Havre De Grace, MD 21078. Phone: (443) 843-6360. Accepts Medicare assignment. In 2024, Michael R. Hileman had 38 Original Medicare patients and 41 services. NPI 1609007921. 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: Physician assistant
  • Address: 421 S Union Ave, Suite 201, Havre De Grace, MD 21078 · Directions (2 more locations)
  • Phone: (443) 843‑6360
  • Medicare: Accepts Medicare assignment
  • Hospital: St Francis Hospital
  • Group practice: St Francis Hospital Inc (+1 more)
  • School: graduated 2009
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael R. Hileman, 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 Michael R. Hileman accept Medicare assignment?
Yes. Medicare's clinician data says Michael R. Hileman 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 Michael R. Hileman see?
In 2024, CMS data shows 38 Original Medicare patients and 41 services for Michael R. Hileman. This counts Original Medicare only and measures volume, not quality.
What is Michael R. Hileman's NPI number?
1609007921. 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 Michael R. Hileman, 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 patients38
Services billed to Medicare41
Different services or procedures19
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Repair of groin hernia using an endoscope (49650)12 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 cholesterol75%
  • High blood pressure71%
  • Arthritis50%
  • Ischemic heart disease39%
  • COPD39%
  • Diabetes34%

Hospitals where Michael R. Hileman works

Medicare's Facility Affiliation Data lists Michael R. Hileman 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.

  • St Francis HospitalWilmington, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080003

Practice locations

Addresses where Michael R. Hileman is enrolled with Medicare (CMS data updated October 2, 2026).

  • 421 S Union Ave, Suite 201Havre De Grace, MD 21078 (443) 843‑6360
  • 500 Upper Chesapeake DrBel Air, MD 21014
  • 701 N Clayton StWilmington, DE 19805

Group practices

Medicare enrollment lists Michael R. Hileman as a member of these groups (CMS data updated October 2, 2026).

  • St Francis Hospital Inc46 clinicians in the group
  • Upper Chesapeake Surgical Associates, LLC22 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Maryland →

Other physician assistants in Havre De Grace

Clinicians with the same Medicare primary specialty in Havre De Grace, MD — not a recommendation.

All physician assistants in Havre De Grace →

Other clinicians in St Francis Hospital Inc

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

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609007921
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