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Dermatology

Lydia Y. Sahara, MD

Sees patients in Bloomington, MN · Minnesota

Summary

Dr. Lydia Y. Sahara, MD is a dermatologist at 8600 Nicollet Ave, Bloomington, MN 55420. Accepts Medicare assignment. In 2024, Lydia Y. Sahara had 310 Original Medicare patients and 1,514 services. NPI 1295879245. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 8600 Nicollet Ave, Bloomington, MN 55420 · Directions
  • Medicare: Accepts Medicare assignment
  • Group practice: Group Health Inc
  • Medical school: University Of Minnesota Medical School · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lydia Y. Sahara, 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 Lydia Y. Sahara accept Medicare assignment?
Yes. Medicare's clinician data says Lydia Y. Sahara 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 Lydia Y. Sahara see?
In 2024, CMS data shows 310 Original Medicare patients and 1,514 services for Lydia Y. Sahara. This counts Original Medicare only and measures volume, not quality.
What is Lydia Y. Sahara's NPI number?
1295879245. 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 Lydia Y. Sahara, 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 patients310
Services billed to Medicare1,514
Different services or procedures51
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)549 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)285 services
  3. Destruction of precancer skin growth, 1 growth (17000)188 services
  4. Biopsy of related skin growth, first growth (11102)83 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)59 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 cholesterol65%
  • High blood pressure62%
  • Arthritis34%
  • Diabetes21%
  • Ischemic heart disease18%
  • Atrial fibrillation16%

Practice locations

Addresses where Lydia Y. Sahara is enrolled with Medicare (CMS data updated October 2, 2026).

  • 8600 Nicollet AveBloomington, MN 55420

Group practices

Medicare enrollment lists Lydia Y. Sahara as a member of this group (CMS data updated October 2, 2026).

  • Group Health Inc1,638 clinicians in the group

Specialties

Find other Dermatology doctors in Minnesota →

Other dermatologists in Bloomington

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

All dermatologists in Bloomington →

Other clinicians in Group Health Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295879245
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians