CHANDANA JAVVAJI M.D.
NPI 1821437716
Internal Medicine - Hematology & Oncology in Sioux City, IA

Active since June 24, 2013PECOS EnrolledAccepts Medicare Assignment
230 NEBRASKA ST, SIOUX CITY, IA 51101(712) 252-0088 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 13, 2026, Dec 10, 2019, May 10, 2016 (3 updates tracked since 2016).

About Chandana Javvaji M.d. NPPES

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

CHANDANA JAVVAJI M.D. (NPI 1821437716) is an individual hematology & oncology provider in Sioux City, Iowa, licensed in Washington (70097431) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821437716
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameCHANDANA JAVVAJICredential: M.D.
Location Address230 NEBRASKA STSioux City, IA 51101-1733
Mailing Address230 Nebraska StSioux City, IA 51101-1733 · (712) 252-0088
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 24, 2013
Last NPPES UpdateMay 13, 20263 updates tracked since enumeration
NPPES CertifiedMay 13, 2026
NPI 1821437716 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 WA · 70097431 Licensed in IA · 45820
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.
230 NEBRASKA ST, Sioux City, IA 51101

Secondary Practice Locations 2

Location 155 Lake Ave NWorcester, MA 01655-0002 · Phone (508) 334-1000
Location 21615 Delaware StLongview, WA 98632-2367 · Phone (360) 414-7878 · Fax (360) 414-7876

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

Chandana Javvaji 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 ID1951693092
PECOS Enrollment IDI20190715003412
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 69

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.

Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
28,000 services38 patients
Injection, nivolumab, 1 mg J9299
Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.
14,320 services13 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
12,150 services48 patients
Injection, daratumumab, 10 mg and hyaluronidase-fihj J9144
Daratumumab and hyaluronidase-fihj is an injection administered to treat certain types of blood cancer. The medication works by targeting and killing specific cancer cells. It's often given under the skin to reduce side effects and improve patient comfort.
10,260 services14 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
6,960 services50 patients
Injection, oxaliplatin, 0.5 mg J9263
Oxaliplatin is a chemotherapy drug that is administered via injection. It works by stopping cancer cells from growing and dividing, which helps in the treatment of certain types of cancer. The dosage is 0.5 mg, and it's important to follow your doctor's instructions for this treatment.
6,300 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Lukes Regional Medical Center

Acute Care Hospitals · Sioux City, IA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160146
Location2720 Stone Park BoulevardSioux City, IA 51104 · Woodbury County
Emergency services Birthing friendly

Mercyone Siouxland Medical Center

Acute Care Hospitals · Sioux City, IA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160153
Location801 5th StSioux City, IA 51101 · Woodbury County
Emergency services

Orange City Area Health System

Critical Access Hospitals · Orange City, IA
OwnershipVoluntary non-profit - Other
CMS Certification Number161360
Location1000 Lincoln Circle SEOrange City, IA 51041 · Sioux County
Emergency services

Cherokee Regional Medical Center

Critical Access Hospitals · Cherokee, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161362
Location300 Sioux Valley DriveCherokee, IA 51012 · Cherokee County
Emergency services Birthing friendly

Buena Vista Regional Medical Center

Critical Access Hospitals · Storm Lake, IA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161375
Location1525 West 5th StreetStorm Lake, IA 50588 · Buena Vista County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51101 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
$161.40 typical visit price
range $52.96 – $161.40
Typical copayment $40.35 (range $13.24 – $40.35)
Most-billed visit code 99205
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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 16

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

Radiology (Radiation Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Internal Medicine (Hematology & Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Radiology (Radiation Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Internal Medicine (Hematology & Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Dietitian, Registered (Nutrition, Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Internal Medicine (Hematology & Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Radiology (Radiation Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101
Internal Medicine (Medical Oncology)
230 NEBRASKA ST
SIOUX CITY, IA 51101

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 Chandana Javvaji's NPI number?

The NPI number for Chandana Javvaji is 1821437716. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is Chandana Javvaji located?

Chandana Javvaji practices at 230 Nebraska St, Sioux City, IA 51101. The listed phone number is (712) 252-0088.

What is Chandana Javvaji's specialty?

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

Is Chandana Javvaji enrolled in Medicare?

Yes. Chandana Javvaji 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 Chandana Javvaji accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Avera Health Plans and 3 other insurers list Chandana Javvaji 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 Chandana Javvaji affiliated with any hospitals?

According to CMS data, Chandana Javvaji is affiliated with St Lukes Regional Medical Center, Mercyone Siouxland Medical Center, Orange City Area Health System, Cherokee Regional Medical Center and Buena Vista Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Chandana Javvaji was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.