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Internal Medicine

Clarence S. Sparks, DO

Sees patients in Pleasanton, CA · California

Summary

Dr. Clarence S. Sparks, DO is an internal medicine doctor at 5820 Owens Dr Bldg E 2nd Floor, Pleasanton, CA 94588. May accept Medicare assignment. NPI 1013604602. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5820 Owens Dr Bldg E 2nd Floor, Pleasanton, CA 94588 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: University Of North Texas Hsc, College Of Osteopathic Med · graduated 2023 (3 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Clarence S. Sparks, 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 Clarence S. Sparks accept Medicare assignment?
Medicare's clinician data says Clarence S. Sparks may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Clarence S. Sparks's NPI number?
1013604602. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

  • 5820 Owens Dr Bldg E 2nd FloorPleasanton, CA 94588

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Pleasanton

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

All internal medicine doctors in Pleasanton →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2023 (3 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1013604602
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians