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Anesthesiology

Daniel O. Haines, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Daniel O. Haines, MD is an anesthesiologist at 5841 S Maryland Ave, Chicago, IL 60637. Phone: (888) 824-0200. Accepts Medicare assignment. In 2024, Daniel O. Haines had 122 Original Medicare patients and 224 services. NPI 1568810612. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 5841 S Maryland Ave, Chicago, IL 60637 · Directions
  • Phone: (888) 824‑0200
  • Medicare: Accepts Medicare assignment
  • Hospital: The University of Chicago Medical Center
  • Group practice: University of Chicago
  • Medical school: University Of Kansas School Of Med (kc/wich/sal) · graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Daniel O. Haines, 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 Daniel O. Haines accept Medicare assignment?
Yes. Medicare's clinician data says Daniel O. Haines 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 Daniel O. Haines see?
In 2024, CMS data shows 122 Original Medicare patients and 224 services for Daniel O. Haines. This counts Original Medicare only and measures volume, not quality.
What is Daniel O. Haines's NPI number?
1568810612. 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 Daniel O. Haines, 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 patients122
Services billed to Medicare224
Different services or procedures62
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)36 services
  2. Ultrasonic guidance for blood vessel access (76937)30 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 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%
  • Ischemic heart disease54%
  • Anxiety49%
  • Atrial fibrillation46%

Hospitals where Daniel O. Haines works

Medicare's Facility Affiliation Data lists Daniel O. Haines 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 Daniel O. Haines is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Daniel O. Haines as a member of this group (CMS data updated October 2, 2026).

  • University of Chicago1,712 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All anesthesiologists in Chicago →

Other clinicians in University of Chicago

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

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568810612
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