Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Nicholas A. Sparr, MD

Works at hospitals in Grass Valley, CA · California

Summary

Dr. Nicholas A. Sparr, MD is a family doctor at 1350 E Main St, Grass Valley, CA 95945. Phone: (530) 477-8545. Accepts Medicare assignment. NPI 1134821226. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1350 E Main St, Grass Valley, CA 95945 · Directions
  • Phone: (530) 477‑8545
  • Medicare: Accepts Medicare assignment
  • Hospital: Sierra Nevada Memorial Hospital
  • Group practice: Chapa-De Indian Health Program, Inc.
  • Medical school: 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 Nicholas A. Sparr, 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 Nicholas A. Sparr accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas A. Sparr 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.
What is Nicholas A. Sparr's NPI number?
1134821226. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nicholas A. Sparr works

Medicare's Facility Affiliation Data lists Nicholas A. Sparr 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.

  • Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050150

Practice locations

Addresses where Nicholas A. Sparr is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas A. Sparr as a member of this group (CMS data updated October 2, 2026).

  • Chapa-De Indian Health Program, Inc.57 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Grass Valley

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

All family doctors in Grass Valley →

Other clinicians in Chapa-De Indian Health Program, Inc.

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

Clinician information

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134821226
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians