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Neurology

Melissa N. Kagnoff, MD

Works at hospitals in La Mesa, CA · California

Summary

Dr. Melissa N. Kagnoff, MD is a neurologist at 5555 Grossmont Ctr Dr, La Mesa, CA 91942. Phone: (619) 740-6000. Accepts Medicare assignment. In 2024, Melissa N. Kagnoff had 58 Original Medicare patients and 300 services. NPI 1679764179. 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: Neurologist (Medicare lists Neurology)
  • Address: 5555 Grossmont Ctr Dr, La Mesa, CA 91942 · Directions (1 more location)
  • Phone: (619) 740‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Grossmont Hospital
  • Group practice: Emergency and Acute Care Medical Corporation
  • Medical school: University Of California, San Francisco School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa N. Kagnoff, 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 Melissa N. Kagnoff accept Medicare assignment?
Yes. Medicare's clinician data says Melissa N. Kagnoff 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 Melissa N. Kagnoff see?
In 2024, CMS data shows 58 Original Medicare patients and 300 services for Melissa N. Kagnoff. This counts Original Medicare only and measures volume, not quality.
What is Melissa N. Kagnoff's NPI number?
1679764179. 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 Melissa N. Kagnoff, 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 patients58
Services billed to Medicare300
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)113 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)70 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)32 services
  4. Advance care planning, first 30 minutes (99497)23 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)22 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%
  • Stroke or mini-stroke75%
  • Arthritis59%
  • Alzheimer's disease or dementia55%
  • Diabetes52%

Hospitals where Melissa N. Kagnoff works

Medicare's Facility Affiliation Data lists Melissa N. Kagnoff 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.

  • Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

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

Group practices

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

  • Emergency and Acute Care Medical Corporation422 clinicians in the group

Specialties

Find other Neurology doctors in California →

Other neurologists in La Mesa

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

All neurologists in La Mesa →

Other clinicians in Emergency and Acute Care Medical Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679764179
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