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Physician Assistant

Traci S. Hornbeck, PA

Works at hospitals in San Francisco, CA · California

Summary

Traci S. Hornbeck, PA is a physician assistant at 1635 Divisadero St, Suite 625 Box 1821, San Francisco, CA 94143. Phone: (415) 476-4029. Accepts Medicare assignment. In 2024, Traci S. Hornbeck had 88 Original Medicare patients and 575 services. NPI 1285874172. 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: Physician assistant
  • Address: 1635 Divisadero St, Suite 625 Box 1821, San Francisco, CA 94143 · Directions (1 more location)
  • Phone: (415) 476‑4029
  • Medicare: Accepts Medicare assignment
  • Hospital: UCSF Medical Center
  • Group practice: University of California San Francisco
  • School: graduated 2004
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Traci S. Hornbeck, 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 Traci S. Hornbeck accept Medicare assignment?
Yes. Medicare's clinician data says Traci S. Hornbeck 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 Traci S. Hornbeck see?
In 2024, CMS data shows 88 Original Medicare patients and 575 services for Traci S. Hornbeck. This counts Original Medicare only and measures volume, not quality.
What is Traci S. Hornbeck's NPI number?
1285874172. 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 Traci S. Hornbeck, 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 patients88
Services billed to Medicare575
Different services or procedures12
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, each additional 15 minutes with qualified health professional (95984)326 services
  2. Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, first 15 minutes with qualified health professional (95983)133 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)13 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 cholesterol66%
  • High blood pressure55%
  • Depression36%
  • Anxiety35%
  • Arthritis33%
  • Diabetes22%

Hospitals where Traci S. Hornbeck works

Medicare's Facility Affiliation Data lists Traci S. Hornbeck 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.

Practice locations

Addresses where Traci S. Hornbeck is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Traci S. Hornbeck as a member of this group (CMS data updated October 2, 2026).

  • University of California San Francisco1,839 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in San Francisco

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

All physician assistants in San Francisco →

Other clinicians in University of California San Francisco

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

Clinician information

CredentialPA
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285874172
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