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Internal Medicine

Susan J. Downey, MD

Sees patients in Arroyo Grande, CA · California

Summary

Dr. Susan J. Downey, MD is an internal medicine doctor at 1212 Farroll Ave, Arroyo Grande, CA 93420. Phone: (805) 489-8137. Accepts Medicare assignment. In 2024, Susan J. Downey had 512 Original Medicare patients and 3,641 services. NPI 1750300661. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1212 Farroll Ave, Arroyo Grande, CA 93420 · Directions
  • Phone: (805) 489‑8137
  • Medicare: Accepts Medicare assignment
  • Group practice: Long Term Care Medical Group, Inc
  • Medical school: Tufts University School Of Medicine · graduated 1985 (41 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Susan J. Downey, 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 Susan J. Downey accept Medicare assignment?
Yes. Medicare's clinician data says Susan J. Downey 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 Susan J. Downey see?
In 2024, CMS data shows 512 Original Medicare patients and 3,641 services for Susan J. Downey. This counts Original Medicare only and measures volume, not quality.
What is Susan J. Downey's NPI number?
1750300661. 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 Susan J. Downey, 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 patients512
Services billed to Medicare3,641
Different services or procedures8
Participating Medicare providerYes
Average age of these patients82

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)2,822 services
  2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)300 services
  3. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)258 services
  4. Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99304)101 services
  5. Advance care planning, first 30 minutes (99497)76 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%
  • Diabetes54%
  • Depression53%
  • Arthritis51%
  • Anxiety46%

Practice locations

Addresses where Susan J. Downey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan J. Downey as a member of this group (CMS data updated October 2, 2026).

  • Long Term Care Medical Group, Inc37 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Arroyo Grande

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

All internal medicine doctors in Arroyo Grande →

Other clinicians in Long Term Care Medical Group, Inc

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

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750300661
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