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Anesthesiology

Bonnie L. Milas, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Bonnie L. Milas, MD is an anesthesiologist at 3400 Spruce St, Philadelphia, PA 19104. Phone: (215) 349-8310. Accepts Medicare assignment. In 2024, Bonnie L. Milas had 160 Original Medicare patients and 621 services. NPI 1275577165. 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 Bonnie L. Milas, 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 Bonnie L. Milas accept Medicare assignment?
Yes. Medicare's clinician data says Bonnie L. Milas 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 Bonnie L. Milas see?
In 2024, CMS data shows 160 Original Medicare patients and 621 services for Bonnie L. Milas. This counts Original Medicare only and measures volume, not quality.
What is Bonnie L. Milas's NPI number?
1275577165. 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 Bonnie L. Milas, 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 patients160
Services billed to Medicare621
Different services or procedures41
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Critical care, first 30-74 minutes (99291)288 services
  2. Insertion of artery tube for blood sampling or infusion through skin (36620)51 services
  3. Ultrasound of heart blood flow, valves and chambers (93320)44 services
  4. Ultrasound of heart with probe in esophagus, with report (93312)42 services
  5. Insertion of tube in pulmonary artery for monitoring (93503)42 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%
  • Ischemic heart disease75%
  • Heart failure68%
  • Atrial fibrillation68%
  • Chronic kidney disease58%

Hospitals where Bonnie L. Milas works

Medicare's Facility Affiliation Data lists Bonnie L. Milas 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 Bonnie L. Milas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bonnie L. Milas as a member of this group (CMS data updated October 2, 2026).

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Anesthesiology doctors in Pennsylvania →

Other anesthesiologists in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All anesthesiologists in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275577165
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