Adam Irwin Riker, MD
Surgical Oncology Physician · New Orleans, LA
Adam Irwin Riker, MD is a surgical oncology physician with a practice address in New Orleans, Louisiana, and NPI 1194773069, issued on May 4, 2006. Check the license (Louisiana MD.202666, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Adam Irwin Riker
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- MD.202666 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1542 Tulane Ave, New Orleans, LA 70112
- Phone
- (504) 568-4752
- Enumerated
- May 4, 2006
- Record last updated
- Sep 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (504) 568-2726
- Medicaid IDs
- 06078743 MS
009911727 AL
1372579 LA
009937133 AL - Medicare enrollment
- Enrolled (PECOS I20260127001734); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 27 in Louisiana → Look up another NPI →
Also registered at 1542 Tulane Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Baker, MDSurgery Physician1467503797
Verify Adam Irwin Riker 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.202666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average surgical oncology physician in 2024
23 Medicare Part D claims for 14 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ciprofloxacin Hcl11 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: $25.00
1 payment: food and beverage; the largest payer was Progenics Pharmaceuticals, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 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
- Community Physician Network Specialty Care LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Irwin Riker among 27 surgical oncology physician records in Louisiana
Adam Irwin Riker, MD is one of 27 surgical oncology physician records with a practice address in Louisiana. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1994 · median 2004 among the 23 with a school on file
- Record last updated2015 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Louisiana
There are 27 surgical oncology physician records in Louisiana.
All 27 in Louisiana → Every provider in New Orleans → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Saad Al Awwad, MDNew Orleans, LA 701121508369489
- Sarah Jacques, MDNew Orleans, LA 701121376179358
- Shawn McKinney, MDNew Orleans, LA 701121497714786
- Omeed Moaven, MDNew Orleans, LA 701121689937385
- Mohamed Shama, MD, MSC, MRCS, EBSQNew Orleans, LA 701121659807972
- Kevin Sullivan, MDNew Orleans, LA 701121306264890
- Jane Wey, MDNew Orleans, LA 701121891774592
- Nicole Walker, M.D.New Orleans, LA 701151659520898
Common questions
What is Adam Irwin Riker, MD's NPI number?
Adam Irwin Riker, MD's National Provider Identifier (NPI) is 1194773069, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam Irwin Riker, MD located?
The NPPES record lists a practice address at 1542 Tulane Ave, New Orleans, LA, 70112. Phone: (504) 568-4752. Providers update this record themselves, so call before visiting.
How can I verify Adam Irwin Riker, MD's license?
NPPES lists Louisiana license number MD.202666, 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 Adam Irwin Riker, MD prescribe under Medicare Part D?
In 2024, Adam Irwin Riker, MD had 23 Medicare Part D claims for 14 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.