McCall Richard Walker
Interventional Cardiology Physician · Gray, LA
McCall Richard Walker is an interventional cardiology physician with a practice address in Gray, Louisiana, and NPI 1457705501, issued on Apr 14, 2016. Check the license (Louisiana 337018, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- McCall Richard Walker
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 337018 LA
Self-reported in NPPES; status is on the state search - Practice location
- 191 Innovation CT Ste A, Gray, LA 70359
- Phone
- (985) 303-4100
- Enumerated
- Apr 14, 2016
- Record last updated
- Oct 26, 2023
- Fax
- (985) 303-4101
- Medicare enrollment
- Enrolled (PECOS I20230913001350); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 191 Innovation CT Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Marcombe, FNPFamily Nurse Practitioner1124256706
- Mark Wright, NPNurse Practitioner1770772170
Verify McCall Richard Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 337018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
962 Medicare Part D claims for 247 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Clopidogrel85 claims
- Rosuvastatin Calcium67 claims
- Metoprolol Succinate57 claims
- Losartan Potassium46 claims
- Furosemide38 claims
- Atorvastatin Calcium34 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: $8,114.46
59 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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 2 group practices
- Cardiovascular Institute OF The South, LLCGray, LA
- Physician Practice PartnersHouma, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 interventional cardiology physician records list a practice address in Gray
They are 1 of the 56 NPPES records with a practice address in Gray, and 176 interventional cardiology physician records in Louisiana.
Other interventional cardiology physician records in Louisiana
- Richard Abben, MDHouma, LA1750388740
- Mokhtar AbdallahBaton Rouge, LA1285050799
- Nidal Abi Rafeh, M.D.Hammond, LA1457506743
- Donna Adams, MDBaton Rouge, LA1770592297
- Farhad Aduli, MDCovington, LA1023051372
- Murtuza Ali, M.D.New Orleans, LA1427110451
- Rehan Ali, M.D.Lafayette, LA1912198532
- Amit Amin, M.D.Lafayette, LA1144458027
- Frank Arena, M.D.Covington, LA1689671232
- Ayush AroraThibodaux, LA1144672320
Common questions
What is McCall Richard Walker's NPI number?
McCall Richard Walker's National Provider Identifier (NPI) is 1457705501, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is McCall Richard Walker located?
The NPPES record lists a practice address at 191 Innovation CT Ste A, Gray, LA, 70359. Phone: (985) 303-4100. Providers update this record themselves, so call before visiting.
How can I verify McCall Richard Walker's license?
NPPES lists Louisiana license number 337018, 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 McCall Richard Walker prescribe under Medicare Part D?
In 2024, McCall Richard Walker had 962 Medicare Part D claims for 247 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.