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Internal Medicine

Sarah B. Parsons, MD

Works at hospitals in Oakland, CA · California

Summary

Dr. Sarah B. Parsons, MD is an internal medicine doctor at 275 W Macarthur Blvd, Oakland, CA 94611. Phone: (510) 752-1000. Accepts Medicare assignment. In 2024, Sarah B. Parsons had 47 Original Medicare patients and 92 services. NPI 1699971028. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 275 W Macarthur Blvd, Oakland, CA 94611 · Directions (1 more location)
  • Phone: (510) 752‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Oakland/Richmond
  • Group practice: Permanente Medical Group Inc
  • Medical school: University Of Texas Medical School At Houston · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah B. Parsons, 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 Sarah B. Parsons accept Medicare assignment?
Yes. Medicare's clinician data says Sarah B. Parsons 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 Sarah B. Parsons see?
In 2024, CMS data shows 47 Original Medicare patients and 92 services for Sarah B. Parsons. This counts Original Medicare only and measures volume, not quality.
What is Sarah B. Parsons's NPI number?
1699971028. 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 Sarah B. Parsons, 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 patients47
Services billed to Medicare92
Different services or procedures8
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)52 services
  2. Hospital discharge day management, 30 minutes or less (99238)17 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 cholesterol66%
  • Diabetes49%
  • Arthritis49%
  • Heart failure49%
  • Chronic kidney disease47%

Hospitals where Sarah B. Parsons works

Medicare's Facility Affiliation Data lists Sarah B. Parsons 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 Sarah B. Parsons is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah B. Parsons as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Oakland

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

All internal medicine doctors in Oakland →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699971028
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