Mary-jane Williams, MD - Medicare Gastroenterology in Albuquerque, NM

Mary-jane Williams, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Albuquerque, New Mexico. She graduated from medical school in 2007 and has 17 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Mayo Clinic - Arizona, Southwest Medical Associates, Llc and her current practice location is 4705 Montgomery Blvd Ne Ste 201, Albuquerque, New Mexico. You can reach out to her office (for appointments etc.) via phone at (505) 727-7833.

Mary-jane Williams is licensed to practice in New Mexico (license number MD2023-1313) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1285096032.

Contact Information

Mary-jane Williams, MD
4705 Montgomery Blvd Ne Ste 201,
Albuquerque, NM 87109-1233
(505) 727-7833
(505) 727-9590

Map and Direction




Physician's Profile

Full NameMary-jane Williams
GenderFemale
SpecialityGastroenterology
Experience17 Years
Location4705 Montgomery Blvd Ne Ste 201, Albuquerque, New Mexico
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary-jane Williams graduated from medical school in 2007
  NPI Data:
  • NPI Number: 1285096032
  • Provider Enumeration Date: 03/22/2016
  • Last Update Date: 07/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8123313871
  • Enrollment ID: I20230511003414

Medical Identifiers

Medical identifiers for Mary-jane Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285096032NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 18189 (Nevada)Secondary
207RG0100XInternal Medicine - Gastroenterology 69010 (Arizona)Secondary
207RG0100XInternal Medicine - Gastroenterology MD2023-1313 (New Mexico)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mayo Clinic HospitalPhoenix, AZHospital
Lovelace Medical CenterAlbuquerque, NMHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mayo Clinic - Arizona70128299301400
Southwest Medical Associates, Llc7214831114307

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. Mary-jane Williams allows following entities to bill medicare on her behalf.
Entity NameMayo Clinic Arizona
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558332494
PECOS PAC ID: 7012829930
Enrollment ID: O20031105000782

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. Mary-jane Williams 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
Mary-jane Williams, MD
13400 E Shea Blvd,
Scottsdale, AZ 85259-5499

Ph: (480) 301-8000
Mary-jane Williams, MD
4705 Montgomery Blvd Ne Ste 201,
Albuquerque, NM 87109-1233

Ph: (505) 727-7833

Reviews and Comments


Internal Medicine Doctors in Albuquerque, NM

Dr. Alberto Aguayo Rico, M.D,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 401 San Mateo Blvd Se, Albuquerque, NM 87108
Phone: 505-462-7333    Fax: 505-462-7440
Peter Guido, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 4700 Jefferson St Ne, Ste 800, Albuquerque, NM 87109
Phone: 505-872-6000    Fax: 505-872-6003
Kenneth A Bell, DO
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2901 Transport St Se, Albuquerque, NM 87106
Phone: 505-262-7110    Fax: 505-262-7308
Joseph F. Oser, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 1501 San Pedro Dr Se, Albuquerque, NM 87108
Phone: 505-265-1711    
Dr. Stanley Zissman Berman, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 7416 Vista Del Arroyo Ave Ne, Albuquerque, NM 87109
Phone: 505-884-7270    
Huyentrang Vu, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: Unm Hospital Internal Medicine, 2211 Lomas Blvd Ne, Albuquerque, NM 87131
Phone: 505-272-6225    
Tamara Goodman, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 4901 Lang Ave Ne, Albuquerque, NM 87109
Phone: 505-842-8171    

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.