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Psychiatry

Louisa R. Steiger, MD

Sees patients in San Diego, CA · California

Summary

Dr. Louisa R. Steiger, MD is a psychiatrist at 200 W Arbor Dr, San Diego, CA 92103. Accepts Medicare assignment. In 2024, Louisa R. Steiger had 58 Original Medicare patients and 74 services. NPI 1417106204. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 200 W Arbor Dr, San Diego, CA 92103 · Directions (2 more locations)
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Louisa R. Steiger, 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 Louisa R. Steiger accept Medicare assignment?
Yes. Medicare's clinician data says Louisa R. Steiger 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 Louisa R. Steiger see?
In 2024, CMS data shows 58 Original Medicare patients and 74 services for Louisa R. Steiger. This counts Original Medicare only and measures volume, not quality.
What is Louisa R. Steiger's NPI number?
1417106204. 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 Louisa R. Steiger, 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 Medicare74
Different services or procedures10
Participating Medicare providerYes
Average age of these patients65

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)17 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 services
  3. Emergency department visit with moderate level of medical decision making (99284)14 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%
  • Anxiety75%
  • Depression72%
  • High cholesterol66%
  • Arthritis40%
  • Alzheimer's disease or dementia38%

Practice locations

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

Specialties

Find other Psychiatry doctors in California →

Other psychiatrists in San Diego

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

All psychiatrists in San Diego →

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1417106204
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