Rheumatology Doctors in Williamsville, NY Accepting Medicare

  1. Home
  2. Rheumatology
  3. New York
  4. Williamsville
6 Rheumatology doctors found. Showing 1 - 6
female doctor icon
Dr. Sunita Chadha, M.D.
Internal Medicine - Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 495 International Dr, Williamsville, NY 14221
Phone: 716-810-9292    Fax: 716-810-9289
female doctor icon
Dr. Rajitha Mallela, MBBS
Internal Medicine - Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 295 Essjay Road, Buffalo Medical Group, Williamsville, NY 14221
Phone: 716-857-8749    Fax: 716-250-5965
male doctor icon
Dr. Stanley R Michalski, M.D.
Internal Medicine - Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 400 International Dr., Williamsville, NY 14221
Phone: 716-631-3555    Fax: 716-631-9525
female doctor icon
Dr. Sadia Nafees Ahmed, MD
Internal Medicine - Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 8207 Main St Ste 7&8, Williamsville, NY 14221
Phone: 716-626-4200    Fax: 716-626-4201
male doctor icon
Dr. Ralph Joseph Argen, MD
Internal Medicine - Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 325 Essjay Rd, Suite 305, Williamsville, NY 14221
Phone: 716-631-3555    Fax: 716-631-9525
female doctor icon
Nora Joseph Serghany,
Internal Medicine - Rheumatology
Medicare: Medicare Enrolled
Practice Location: 295 Essjay Rd, Williamsville, NY 14221
Phone: 716-656-4558    Fax: 716-428-2305

Rheumatology: An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.


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.