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Hematology/Oncology

Caroline A. Hastings, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Caroline A. Hastings, MD is a hematologist-oncologist at 400 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. Accepts Medicare assignment. NPI 1386733418. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 400 Parnassus Ave, San Francisco, CA 94143 · Directions
  • Phone: (415) 476‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: UCSF Medical Group Business Services
  • Medical school: University Of California, Davis School Of Medicine · graduated 1986 (40 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Caroline A. Hastings, 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 Caroline A. Hastings accept Medicare assignment?
Yes. Medicare's clinician data says Caroline A. Hastings 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 Caroline A. Hastings's NPI number?
1386733418. 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 Caroline A. Hastings is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in San Francisco

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

All hematologist-oncologists in San Francisco →

Other clinicians in UCSF Medical Group Business Services

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386733418
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