Siddhartha Padmanabha, M.D.
NPI 1154505220 · Radiation Oncology Physician · Metairie, LA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddhartha Padmanabha, M.D. is a Radiation Oncology Physician provider in Metairie, LA (NPI 1154505220).
Provider details
- NPI number
- 1154505220
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,092 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 231 | $20 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 215 | $43 |
| Calculation of Radiation Therapy Dose77300 | 157 | $31 |
| Design and Construction of Complex Radiation Treatment Device77334 | 84 | $58 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 62 | $184 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 47 | $183 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 42 | 26 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | 17 |
| Cephalexin | 23 | 23 |
| Methylprednisolone | 20 | 16 |
| Triamcinolone Acetonide | 20 | 16 |
| Dexamethasone | 16 | — |
| Gabapentin | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$226 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-24
- Last updated
- 2017-12-13
Frequently asked questions
- What is Siddhartha Padmanabha's NPI number?
- Siddhartha Padmanabha's National Provider Identifier (NPI) is 1154505220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddhartha Padmanabha's specialty?
- Siddhartha Padmanabha is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Siddhartha Padmanabha located?
- Siddhartha Padmanabha's practice location on file with NPPES is 4204 Houma Blvd Ste 100, Metairie, LA 70006-2919.
- What is Siddhartha Padmanabha's phone number?
- The practice phone number listed in the NPPES registry for Siddhartha Padmanabha is (504) 503-5139.
- Does Siddhartha Padmanabha accept Medicare?
- Siddhartha Padmanabha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddhartha Padmanabha's NPI active?
- Yes — Siddhartha Padmanabha's NPI (1154505220) is active in the NPPES registry as of the last update on 2017-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.