DR. MAURO C JANOSKI MD
NPI 1154386290
Internal Medicine - Hematology & Oncology in Downey, CA

Active since April 20, 2006PECOS EnrolledAccepts Medicare Assignment
11480 BROOKSHIRE AVE., SUITE 309, DOWNEY, CA 90241(562) 869-1201(562) 869-1201 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 7, 2026, Jun 13, 2024, Nov 19, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Mauro C Janoski Md NPPES

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

DR. MAURO C JANOSKI MD (NPI 1154386290) is an individual hematology & oncology provider in Downey, California, licensed in Tennessee (40198) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Weston.

NPPES Registry Identity

NPI1154386290
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MAURO C JANOSKICredential: MD
Location Address11480 BROOKSHIRE AVE., SUITE 309Downey, CA 90241-5025
Mailing Address18000 Studebaker Rd Ste 800Cerritos, CA 90703-2671 · (562) 735-3226 · Fax (562) 869-1281
Fax(562) 869-1201
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateApril 20, 2006
Last NPPES UpdateJanuary 7, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
NPI 1154386290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in TN · 40198 Licensed in CA · C54846 Licensed in WI · 84139
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.
11480 BROOKSHIRE AVE., Downey, CA 90241

Secondary Practice Location 1

Location 13400 Ministry PkwyWeston, WI 54476-5220 · Phone (715) 393-1220

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mauro C Janoski Md 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 ID7416929708
PECOS Enrollment IDI20240605002119
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.

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.
300 services179 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.
89 services71 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
39 services24 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
20 services20 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.
15 services15 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
13 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520202
Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County
Emergency services Birthing friendly

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

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
$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.

Other Providers at the Same Location NPPES

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

Physician Assistant
11480 BROOKSHIRE AVE., SUITE 309
DOWNEY, CA 90241

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 Mauro Janoski's NPI number?

The NPI number for Mauro Janoski is 1154386290. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Mauro Janoski located?

Mauro Janoski practices at 11480 Brookshire Ave. Suite 309, Downey, CA 90241. The listed phone number is (562) 869-1201.

What is Mauro Janoski's specialty?

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

Is Mauro Janoski enrolled in Medicare?

Yes. Mauro Janoski 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.

What insurance does Mauro Janoski accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Medica and Sanford Health Plan list Mauro Janoski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mauro Janoski affiliated with any hospitals?

According to CMS data, Mauro Janoski is affiliated with Marshfield Medical Center, Marshfield Medical Center - Weston and Marshfield Medical Center - Minocqua.

When was this NPI record last updated?

The NPPES record for Mauro Janoski was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.