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Dermatology

Michelle R. Longmire, MD

Sees patients in Saratoga, CA · Sunnyvale, CA · California

Summary

Dr. Michelle R. Longmire, MD is a dermatologist at 18988 Cox Ave, Suite B, Saratoga, CA 95070. Phone: (408) 253-4407. Accepts Medicare assignment. In 2024, Michelle R. Longmire had 17 Original Medicare patients and 69 services. NPI 1659691723. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 18988 Cox Ave, Suite B, Saratoga, CA 95070 · Directions (1 more location)
  • Phone: (408) 253‑4407
  • Medicare: Accepts Medicare assignment
  • Group practice: Csi Medical Group
  • Medical school: University Of New Mexico School Of Medicine · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Michelle R. Longmire, 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 Michelle R. Longmire accept Medicare assignment?
Yes. Medicare's clinician data says Michelle R. Longmire 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 Michelle R. Longmire see?
In 2024, CMS data shows 17 Original Medicare patients and 69 services for Michelle R. Longmire. This counts Original Medicare only and measures volume, not quality.
What is Michelle R. Longmire's NPI number?
1659691723. 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 Michelle R. Longmire, 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 patients17
Services billed to Medicare69
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

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 cholesterol75%

Practice locations

Addresses where Michelle R. Longmire is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michelle R. Longmire as a member of this group (CMS data updated October 2, 2026).

  • Csi Medical Group111 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in Saratoga

Clinicians with the same Medicare primary specialty in Saratoga, CA — not a recommendation.

All dermatologists in Saratoga →

Other clinicians in Csi Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of New Mexico School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659691723
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