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Internal Medicine

Michael K. Paasche Orlow, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Michael K. Paasche Orlow, MD is an internal medicine doctor at 800 Washington St, Boston, MA 02111. Phone: (617) 636-5000. Accepts Medicare assignment. In 2024, Michael K. Paasche Orlow had 16 Original Medicare patients and 27 services. NPI 1144207408. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 800 Washington St, Boston, MA 02111 · Directions
  • Phone: (617) 636‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Tufts Medical Center
  • Group practice: Pratt Medical Group Inc
  • Medical school: Johns Hopkins University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael K. Paasche Orlow, 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 K. Paasche Orlow accept Medicare assignment?
Yes. Medicare's clinician data says Michael K. Paasche Orlow 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 K. Paasche Orlow see?
In 2024, CMS data shows 16 Original Medicare patients and 27 services for Michael K. Paasche Orlow. This counts Original Medicare only and measures volume, not quality.
What is Michael K. Paasche Orlow's NPI number?
1144207408. 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 K. Paasche Orlow, 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 patients16
Services billed to Medicare27
Different services or procedures5
Participating Medicare providerYes
Average age of these patients66

Hospitals where Michael K. Paasche Orlow works

Medicare's Facility Affiliation Data lists Michael K. Paasche Orlow 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.

  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Michael K. Paasche Orlow is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael K. Paasche Orlow as a member of this group (CMS data updated October 2, 2026).

  • Pratt Medical Group Inc286 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All internal medicine doctors in Boston →

Other clinicians in Pratt Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144207408
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