William M Ellis Iii, DO - Medicare Anesthesiology in Alexandria, LA

William M Ellis Iii, DO is a medicare enrolled "Anesthesiology" physician in Alexandria, Louisiana. He went to University Of Missouri, Kansas City, School Of Medicine and graduated in 1988 and has 37 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Medical Center Anesthesia, Inc, Paragon Anesthesia Pc and his current practice location is 211 4th St, Alexandria, Louisiana. You can reach out to his office (for appointments etc.) via phone at (318) 473-3000.

William M Ellis Iii is licensed to practice in Louisiana (license number 020195) 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 1336132141.

Contact Information

William M Ellis Iii, DO
211 4th St,
Alexandria, LA 71301-8421
(318) 473-3000
Not Available

Map and Direction




Physician's Profile

Full NameWilliam M Ellis Iii
GenderMale
SpecialityAnesthesiology
Experience37 Years
Location211 4th St, Alexandria, 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:
  • William M Ellis Iii attended and graduated from University Of Missouri, Kansas City, School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1336132141
  • Provider Enumeration Date: 08/26/2005
  • Last Update Date: 11/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3577755636
  • Enrollment ID: I20250113003238

Medical Identifiers

Medical identifiers for William M Ellis Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336132141NPI-NPPES
1934518MedicaidLA
050022020OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 020195 (Louisiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Jackson-madison County General HospitalJackson, TNHospital
Wellmont Holston Valley Medical CenterKingsport, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Center Anesthesia, Inc2769629187108
Paragon Anesthesia Pc8921044744198

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. William M Ellis Iii allows following entities to bill medicare on his behalf.
Entity NameParagon Anesthesia Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538174974
PECOS PAC ID: 8921044744
Enrollment ID: O20090402000626
Entity NameMedical Center Anesthesia, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447591730
PECOS PAC ID: 2769629187
Enrollment ID: O20130502000265

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. William M Ellis Iii 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
William M Ellis Iii, DO
211 4th St, Box 30135,
Alexandria, LA 71301-8421

Ph: (318) 448-4440
William M Ellis Iii, DO
211 4th St,
Alexandria, LA 71301-8421

Ph: (318) 473-3000

Reviews and Comments


Anesthesiology Doctors in Alexandria, LA

Paul Albares, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 211 4th St, Alexandria, LA 71301
Phone: 318-442-5399    
Christine Elizabeth Taylor, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 651 N Bolton Ave, Alexandria, LA 71301
Phone: 318-443-3511    Fax: 318-757-9668
Darrin Blane Letsinger, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1444 Peterman Dr, Alexandria, LA 71301
Phone: 318-442-5399    Fax: 318-442-1586
Leo E Futrell Iii, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 651 N Bolton Ave, Alexandria, LA 71301
Phone: 318-443-3511    
Taten Peterman, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1444 Peterman Dr, Alexandria, LA 71301
Phone: 318-442-5399    Fax: 318-442-1586
Mr. Francis X Robichaux, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1444 Peterman Dr, Alexandria, LA 71301
Phone: 318-442-5399    Fax: 318-442-1586

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.