DR. CHITRA VISWANATHAN M.D.
NPI 1598705915
Radiology - Diagnostic Radiology in Houston, TX

Q: What is Chitra Viswanathan's NPI number?

The NPI number for Chitra Viswanathan is 1598705915. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Q: What is Chitra Viswanathan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment

81.38/100

CMS Quality Rating

1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: September 29, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Chitra Viswanathan M.d. NPPES

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

DR. CHITRA VISWANATHAN M.D. (NPI 1598705915) is an individual diagnostic radiology provider in Houston, Texas, licensed in Texas (L5603) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2000).

NPPES Registry Identity

NPI1598705915

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. CHITRA VISWANATHANCredential: M.D.

Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4095

Mailing AddressPo Box 4439Houston, TX 77210-4439 · (713) 792-2991

Phone(713) 792-6161

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 2000

Enumeration DateJune 7, 2006

Last NPPES UpdateSeptember 29, 2009

✔ NPI 1598705915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in TX · L5603

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1515 HOLCOMBE BLVD, Houston, TX 77030

Open in Google Maps ↗

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. Chitra Viswanathan 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 ID8325059165

PECOS Enrollment IDI20060509000151

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 Reassignment

Medicare enrollment records show Chitra Viswanathan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physicians Referral Service

Same address

Multi-Specialty

1515 HOLCOMBE BLVD
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,675 clinicians in this Medicare group

NPI 1073574810 (713) 792-6161

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 16

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.

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

323 services319 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

198 services195 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

118 services117 patients

Ct scan of chest with contrast 71260

92 services90 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

53 services52 patients

Ct scan of abdomen and pelvis with contrast 74177

43 services42 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

34 services34 patients

Ct scan of chest before and after contrast 71270

A CT scan of the chest before and after contrast is a non-invasive imaging procedure. Initially, images of the chest are taken without contrast to get a baseline. Then, a contrast dye is administered, usually through a vein, to highlight specific areas, making them easier to see. The procedure helps in diagnosing various chest conditions.

30 services30 patients

Ct scan of chest without contrast 71250

28 services28 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

27 services25 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

24 services24 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

20 services20 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

18 services18 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

13 services13 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

13 services13 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

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.

81.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

81.25

Promoting Interoperability

100

Improvement Activities

Cost

49.97

Other Providers at the Same Location NPPES 20

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

DR. MERRY CHEN MD

Psychiatry & Neurology (Neurology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

AMEENA BAGREE MALHOTRA M.D.

Internal Medicine (Nephrology)

1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030

Harris County (713) 792-6161

SOLANGE ERLYN COX MD

Surgery

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-2360

DR. BRYAN KEITH GUILLORY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

JANUARY Y TSAI MD

Anesthesiology

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

DR. SUNYOUNG LEE MD

Internal Medicine (Medical Oncology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MRS. RACHEL KRAMER FUTRELL PA-C

Physician Assistant

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MEGAN J TANNER NP-C

Nurse Practitioner

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

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 Chitra Viswanathan's NPI number?

The NPI number for Chitra Viswanathan is 1598705915. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Chitra Viswanathan located?

Chitra Viswanathan practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Chitra Viswanathan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Chitra Viswanathan enrolled in Medicare?

Yes. Chitra Viswanathan 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 organization bills Medicare for Chitra Viswanathan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chitra Viswanathan reassigns Medicare benefits to Physicians Referral Service (Houston, TX). The 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 Chitra Viswanathan'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 Chitra Viswanathan was last updated on September 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.