Melissa Haehn

Medicare activity in 2024

Official CMS public-use data for Melissa Haehn, 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.

Most frequent services

1. Anesthesia for extensive surgery on spine (00670)15 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)15 services
3. Anesthesia for other procedure on large bowel using an endoscope (00811)13 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 cholesterol67%
• Arthritis59%
• Anxiety39%
• Depression38%
• Diabetes31%

Hospitals where Melissa Haehn works

Medicare's Facility Affiliation Data lists Melissa Haehn 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.

• Maple Grove HospitalMaple Grove, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240214
• North Memorial Health HospitalRobbinsdale, MN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 240001

Practice locations

Addresses where Melissa Haehn is enrolled with Medicare (CMS data updated October 2, 2026).

• 9875 Hospital DrMaple Grove, MN 55369 (763) 898‑1000

Group practices

Medicare enrollment lists Melissa Haehn as a member of this group (CMS data updated October 2, 2026).

• Anesthesiology, P.A.136 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Minnesota →

Other anesthesiologists in Maple Grove

Clinicians with the same Medicare primary specialty in Maple Grove, MN — not a recommendation.

• Nathaniel D. Pitner, MD
• Timothy J. Krueger, MD
• Heidi A. Robertson, MD
• Patrice A. Vinsard Espinoza, MD
• Sadafsadat Mirkarimi
• Robert J. Jaksa, MD
• Matthew D. Johnston, MD
• John Mrachek, MD

All anesthesiologists in Maple Grove →

Other clinicians in Anesthesiology, P.A.

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

• John Pozar, CNA
• Karen R. Voytovich, CNA
• Mowoh A. Endeley, CNA
• Andrew M. Frankwick, CNA
• John Mrachek, MD
• Alan W. Litts, MD

Clinician information

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