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Hematology/Oncology

Krisztina I. Larson, MD

Works at hospitals in Burbank, CA · California

Summary

Dr. Krisztina I. Larson, MD is a hematologist-oncologist at 181 S Buena Vista St, Burbank, CA 91505. Phone: (818) 403-2400. Accepts Medicare assignment. In 2024, Krisztina I. Larson had 76 Original Medicare patients and 9,536 services. NPI 1558703363. 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: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 181 S Buena Vista St, Burbank, CA 91505 · Directions (4 more locations)
  • Phone: (818) 403‑2400
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence Saint Joseph Medical Center
  • Group practice: Providence Facey Medical Foundation (+1 more)
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Krisztina I. Larson, 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 Krisztina I. Larson accept Medicare assignment?
Yes. Medicare's clinician data says Krisztina I. Larson 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 Krisztina I. Larson see?
In 2024, CMS data shows 76 Original Medicare patients and 9,536 services for Krisztina I. Larson. This counts Original Medicare only and measures volume, not quality.
What is Krisztina I. Larson's NPI number?
1558703363. 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 Krisztina I. Larson, 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 patients76
Services billed to Medicare9,536
Different services or procedures50
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)115 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 services
  3. Assessment of emotional or behavioral problems (96127)73 services
  4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)62 services
  5. Insertion of needle into vein for collection of blood sample (36415)59 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 cholesterol74%
  • Arthritis50%
  • Diabetes37%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
  • Ischemic heart disease32%

Hospitals where Krisztina I. Larson works

Medicare's Facility Affiliation Data lists Krisztina I. Larson 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 Krisztina I. Larson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Krisztina I. Larson as a member of these groups (CMS data updated October 2, 2026).

  • Providence Facey Medical Foundation385 clinicians in the group
  • Providence Medical Institute288 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hematologist-oncologists in California →

Other clinicians in Providence Facey Medical Foundation

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558703363
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