Dr John Walker Mcdonald Sr, MD - Medicare Gastroenterology in Baton Rouge, LA

Dr John Walker Mcdonald Sr, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Baton Rouge, Louisiana. He went to Louisiana State University School Of Medicine In Shreveport and graduated in 2004 and has 20 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Lsuhn Billing Llc, Texas Digestive Disease Consultants Pllc and his current practice location is 9103 Jefferson Hwy, Baton Rouge, Louisiana. You can reach out to his office (for appointments etc.) via phone at (225) 927-1190.

Dr John Walker Mcdonald Sr is licensed to practice in Louisiana (license number MD.200458) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1386834281.

Contact Information

Dr John Walker Mcdonald Sr, MD
9103 Jefferson Hwy,
Baton Rouge, LA 70809-2440
(225) 927-1190
(225) 706-0160



Physician's Profile

Full NameDr John Walker Mcdonald Sr
GenderMale
SpecialityGastroenterology
Experience20 Years
Location9103 Jefferson Hwy, Baton Rouge, Louisiana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Walker Mcdonald Sr attended and graduated from Louisiana State University School Of Medicine In Shreveport in 2004
  NPI Data:
  • NPI Number: 1386834281
  • Provider Enumeration Date: 07/26/2007
  • Last Update Date: 11/07/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 1658404090
  • Enrollment ID: I20100805000190

Medical Identifiers

Medical identifiers for Dr John Walker Mcdonald Sr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386834281NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD.200458 (Louisiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Our Lady Of The Lake Regional Medical CenterBaton rouge, LAHospital
Baton Rouge General Medical CenterBaton rouge, LAHospital
West Feliciana Parish HospitalSaint francisville, LAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lsuhn Billing Llc0446337802194
Texas Digestive Disease Consultants Pllc3375531379544

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John Walker Mcdonald Sr allows following entities to bill medicare on his behalf.
Entity NameLsuhn Billing Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992975775
PECOS PAC ID: 0446337802
Enrollment ID: O20080409000372

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Entity NameThe Hospital Service District Of West Feliciana Parish Louisiana
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1164497533
PECOS PAC ID: 3173512548
Enrollment ID: O20141110000718

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Entity NameTexas Digestive Disease Consultants Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154837391
PECOS PAC ID: 3375531379
Enrollment ID: O20180125001639

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John Walker Mcdonald Sr is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John Walker Mcdonald Sr, MD
9103 Jefferson Hwy,
Baton Rouge, LA 70809-2440

Ph: (225) 927-1190
Dr John Walker Mcdonald Sr, MD
9103 Jefferson Hwy,
Baton Rouge, LA 70809-2440

Ph: (225) 927-1190

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Internal Medicine Doctors in Baton Rouge, LA

Dr. Jennifer L Rippon, D.O.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 7777 Hennessy Blvd Ste 409, Baton Rouge, LA 70808
Phone: 225-765-5864    Fax: 225-765-2013
Gregory Fusilier, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 9103 Jefferson Hwy, Baton Rouge, LA 70809
Phone: 225-927-1190    Fax: 225-927-0988
Dr. Yolanda Maria O'rourke,
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 7968 Essen Park, Baton Rouge, LA 70809
Phone: 225-761-6700    Fax: 225-761-6760
Patricia D. Whatley, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 7373 Perkins Rd, Attn: Dee / Administration, Baton Rouge, LA 70808
Phone: 225-769-4044    
Frederick Cerise,
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 3810 W Lakeshore Dr, Baton Rouge, LA 70808
Phone: 225-578-8886    
Dr. Jon Richard Jackson, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 5000 Hennessy Blvd, Baton Rouge, LA 70808
Phone: 225-765-4050    Fax: 225-765-4046
Richard Frank Burroughs, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: Earl K. Long Hospital, Lsu Unit, 5825 Airline Highway, Baton Rouge, LA 70805
Phone: 225-358-3938    

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