Chitra Viswanathan, M.D.
NPI 1598705915 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chitra Viswanathan, M.D. is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1598705915).
Provider details
- NPI number
- 1598705915
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- L5603 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,046 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Chest With Contrast71260 | 323 | $53 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 198 | $85 |
| Ct Scan of Chest Without Contrast71250 | 118 | $50 |
| Ct Scan of Chest With Contrast71260 | 92 | $52 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 53 | $109 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 43 | $82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2009-09-29
Frequently asked questions
- What is Chitra Viswanathan's NPI number?
- Chitra Viswanathan's National Provider Identifier (NPI) is 1598705915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chitra Viswanathan's specialty?
- Chitra Viswanathan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Chitra Viswanathan located?
- Chitra Viswanathan's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4095.
- What is Chitra Viswanathan's phone number?
- The practice phone number listed in the NPPES registry for Chitra Viswanathan is (713) 792-6161.
- Does Chitra Viswanathan accept Medicare?
- Chitra Viswanathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chitra Viswanathan's NPI active?
- Yes — Chitra Viswanathan's NPI (1598705915) is active in the NPPES registry as of the last update on 2009-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.