KATRINE A. ZHIROFF M.D.
NPI 1245353952
Internal Medicine - Interventional Cardiology in Downey, CA

Q: What is Katrine Zhiroff's NPI number?

The NPI number for Katrine Zhiroff is 1245353952. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Q: What is Katrine Zhiroff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Katrine Zhiroff was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since April 09, 2007PECOS EnrolledAccepts Medicare Assignment

11480 BROOKSHIRE AVE STE 204, DOWNEY, CA 90241(562) 977-1690 Get Directions Write a Review

NPPES record last updated: June 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Katrine A. Zhiroff M.d. NPPES

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

KATRINE A. ZHIROFF M.D. (NPI 1245353952) is an individual interventional cardiology provider in Downey, California, licensed in California (A94869) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2004).

NPPES Registry Identity

NPI1245353952

Entity TypeIndividualFemale

Primary Taxonomy207RI0011X

Provider Legal NameKATRINE A. ZHIROFFCredential: M.D.

Location Address11480 BROOKSHIRE AVE STE 204Downey, CA 90241-5023

Mailing Address11480 Brookshire Ave Ste 204Downey, CA 90241-5023 · (562) 977-1690 · Fax (562) 904-8836

Phone(562) 977-1690

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2004

Enumeration DateApril 9, 2007

Last NPPES UpdateJune 15, 2022

NPPES CertifiedJune 15, 2022

✔ NPI 1245353952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in CA · A94869

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

11480 BROOKSHIRE AVE STE 204, Downey, CA 90241

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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

Katrine A. Zhiroff 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 ID3072683077

PECOS Enrollment IDI20080603000341

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

Medicare enrollment records show Katrine Zhiroff reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians

Same address

Surgery

11480 BROOKSHIRE AVE STE 111&204
Downey, CA 90241

Reassigned Medicare billing, California enrollment
840 clinicians in this Medicare group

NPI 1255713566 (562) 904-1651

County Of Los Angeles Auditor Controller

1.7 mi

Physician Assistant

7601 IMPERIAL HWY
Downey, CA 90242

Reassigned Medicare billing, California enrollment
Medicare enrollment name: County Of Los Angeles
1,939 clinicians in this Medicare group

NPI 1528162229 (562) 803-0124

Martin Luther King Jr Community Medical Foundation

5.9 mi

Multi-Specialty

131 E COMPTON BLVD
Compton, CA 90220

Reassigned Medicare billing, California enrollment
554 clinicians in this Medicare group

NPI 1306496641 (424) 529-6755

Usc Care Medical Group, Inc

9.7 mi

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

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 13

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

151 services144 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

126 services98 patients

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.

120 services68 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

107 services84 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.

97 services66 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

47 services47 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

47 services47 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

40 services18 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

37 services18 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

33 services33 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.

30 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

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.

Other Providers at the Same Location NPPES 2

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

NATHAN LIM

Internal Medicine

11480 BROOKSHIRE AVE STE 204
DOWNEY, CA 90241

Los Angeles County (562) 904-4466

LAUREN MARIE MATHIAS M.D.

Internal Medicine (Rheumatology)

11480 BROOKSHIRE AVE STE 204
DOWNEY, CA 90241

Los Angeles County (562) 904-4466

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 Katrine Zhiroff's NPI number?

The NPI number for Katrine Zhiroff is 1245353952. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Where is Katrine Zhiroff located?

Katrine Zhiroff practices at 11480 Brookshire Ave Ste 204, Downey, CA 90241. The listed phone number is (562) 977-1690.

What is Katrine Zhiroff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Katrine Zhiroff enrolled in Medicare?

Yes. Katrine Zhiroff 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 Katrine Zhiroff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katrine Zhiroff reassigns Medicare benefits to 4 organizations: Pih Health Physicians (Downey, CA), County Of Los Angeles Auditor Controller (Downey, CA), Martin Luther King Jr Community Medical Foundation (Compton, CA) and Usc Care Medical Group, Inc (Los Angeles, CA). 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 Katrine Zhiroff'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 Katrine Zhiroff was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.