Siddhartha Padmanabha, M.D.
Radiation Oncology Physician · Metairie, LA
Siddhartha Padmanabha, M.D. is a radiation oncology physician with a practice address in Metairie, Louisiana, and NPI 1154505220, issued on Dec 24, 2007. Check the license (Louisiana MD.202408, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Siddhartha Padmanabha
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD.202408 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4204 Houma Blvd Ste 100, Metairie, LA 70006
- Phone
- (504) 503-5139
- Enumerated
- Dec 24, 2007
- Record last updated
- Dec 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 1308447 LA
- Medicare enrollment
- Enrolled (PECOS I20081014000098); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 66 in Louisiana → Look up another NPI →
Also registered at 4204 Houma Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Koffler, MDRadiation Oncology Physician1447749726
Verify Siddhartha Padmanabha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.202408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average radiation oncology physician in 2024
283 Medicare Part D claims for 120 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Tamsulosin Hcl42 claims
- Hydrocodone-Acetaminophen30 claims
- Cephalexin23 claims
- Methylprednisolone20 claims
- Triamcinolone Acetonide20 claims
- Dexamethasone16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $226.36
6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- East Jefferson Physicians Group LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siddhartha Padmanabha among 66 radiation oncology physician records in Louisiana
Siddhartha Padmanabha, M.D. is one of 66 radiation oncology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2002 · median 2008 among the 49 with a school on file
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Louisiana
There are 66 radiation oncology physician records in Louisiana.
All 66 in Louisiana → Every provider in Metairie → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Daniel Koffler, MDMetairie, LA 700061447749726
- Luis Linares, M.D.Metairie, LA 700061891763694
- Paul Monsour, M.D.Metairie, LA 700061184691271
- Raymond Gould, MDMarrero, LA 700721679576318
- Stephen Kraus, MDNew Orleans, LA 701121346223799
- Jill VincentNew Orleans, LA 701121730488974
- Ashley Brown, M.D.New Orleans, LA 701151003295551
- Kareem Fakhoury, MDNew Orleans, LA 701151467956375
Common questions
What is Siddhartha Padmanabha, M.D.'s NPI number?
Siddhartha Padmanabha, M.D.'s National Provider Identifier (NPI) is 1154505220, issued on Dec 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siddhartha Padmanabha, M.D. located?
The NPPES record lists a practice address at 4204 Houma Blvd Ste 100, Metairie, LA, 70006. Phone: (504) 503-5139. Providers update this record themselves, so call before visiting.
How can I verify Siddhartha Padmanabha, M.D.'s license?
NPPES lists Louisiana license number MD.202408, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siddhartha Padmanabha, M.D. prescribe under Medicare Part D?
In 2024, Siddhartha Padmanabha, M.D. had 283 Medicare Part D claims for 120 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.