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DR. KRISZTINA ILONA LARSON M.D.
NPI 1558703363
Internal Medicine - Hematology & Oncology in Burbank, CA

Active since July 22, 2013PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
181 S BUENA VISTA ST FL 4, BURBANK, CA 91505(818) 840-0921(818) 840-7064 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 5, 2025, Nov 29, 2021, Sep 13, 2021 and 2 more (5 updates tracked since 2019).

About Dr. Krisztina Ilona Larson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KRISZTINA ILONA LARSON M.D. (NPI 1558703363) is an individual hematology & oncology provider in Burbank, California, licensed in California (A158003) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1558703363
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. KRISZTINA ILONA LARSONCredential: M.D.
Location Address181 S BUENA VISTA ST FL 4Burbank, CA 91505-4504
Mailing Address541 W Colorado St Ste 205Glendale, CA 91204-3640 · (323) 254-0046 · Fax (323) 488-9782
Phone(818) 840-0921
Fax(818) 840-7064
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 22, 2013
Last NPPES UpdateSeptember 5, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
✔ NPI 1558703363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A158003
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
181 S BUENA VISTA ST FL 4, Burbank, CA 91505
Open in Google Maps ↗

Secondary Practice Locations 3

Location 13808 W Riverside Dr Ste 302Burbank, CA 91505-4363 · Phone (818) 538-7040 · Fax (833) 442-1557
Location 211550 Indian Hills Rd Ste 330Mission Hills, CA 91345-1203 · Phone (323) 410-9827 · Fax (833) 578-0939
Location 31505 Wilson Ter Ste 200Glendale, CA 91206-4073 · Phone (818) 409-0105 · Fax (818) 409-0151

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Krisztina Ilona Larson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961721253
PECOS Enrollment IDI20190711001201
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Krisztina Larson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Facey Medical Foundation
19 mi
Urgent Care
14550 SOLEDAD CANYON RD
Santa Clarita, CA 91387
  • Reassigned Medicare billing, California enrollment
  • 684 clinicians in this Medicare group
NPI 1922651561 (818) 837-5559
Providence Medical Institute
22 mi
Family Medicine
4101 TORRANCE BLVD
Torrance, CA 90503
  • Reassigned Medicare billing, California enrollment
  • 266 clinicians in this Medicare group
NPI 1235182569 (310) 793-8075
Renaissance Medical Foundation
1,318 mi
Internal Medicine
5501 S MCCOLL RD
Edinburg, TX 78539
  • Reassigned Medicare billing, Texas enrollment
  • 219 clinicians in this Medicare group
NPI 1467633867 (956) 362-3300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
115 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
102 services48 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
73 services45 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
62 services19 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
59 services27 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.72
Improvement Activities40

Reported Quality Measures

Advance Care Plan
91%692 patients4/55-star benchmark: 100%
Breast Cancer Screening
0%461 patients1/55-star benchmark: 93%
Colorectal Cancer Screening
1%787 patients1/55-star benchmark: 88%
Documentation of Current Medications in the Medical Record
71%4,829 patients3/55-star benchmark: 100%
Oncology: Medical and Radiation - Pain Intensity Quantified
92%1,483 patients4/55-star benchmark: 100%
Oncology: Medical and Radiation - Plan of Care for Pain
79%277 patients3/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
65%1,285 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 98% · 1,157 patients
Patients screened: 99% · 1,157 patients
89%65 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims812 services$0.70 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAMKISHEN NARAYANAN M.D.
Urology
181 S BUENA VISTA ST FL 4
BURBANK, CA 91505
Los Angeles County (818) 840-0921
DR. RICHARD MARSTON GILLESPIE MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
181 S BUENA VISTA ST FL 4
BURBANK, CA 91505
Los Angeles County (818) 748-4942
KARLTON WONG MD
Internal Medicine (Hematology & Oncology)
181 S BUENA VISTA ST FL 4
BURBANK, CA 91505
Los Angeles County (818) 840-0921
PATRICIA JOSEPH AGACNP-BC
Nurse Practitioner (Acute Care)
181 S BUENA VISTA ST FL 4
BURBANK, CA 91505
Los Angeles County (818) 840-0921

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Krisztina Larson's NPI number?

The NPI number for Krisztina Larson is 1558703363. It was assigned to this individual provider in the NPPES registry on July 22, 2013.

Where is Krisztina Larson located?

Krisztina Larson practices at 181 S Buena Vista St Fl 4, Burbank, CA 91505. The listed phone number is (818) 840-0921.

What is Krisztina Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Krisztina Larson enrolled in Medicare?

Yes. Krisztina Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Krisztina Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Krisztina Larson reassigns Medicare benefits to 3 organizations: Providence Facey Medical Foundation (Santa Clarita, CA), Providence Medical Institute (Torrance, CA) and Renaissance Medical Foundation (Edinburg, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Krisztina Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Krisztina Larson was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.