Maria Kontos, DO - Medicare Internal Medicine in Williamsville, NY

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Maria Kontos, DO is a medicare enrolled "Internal Medicine" physician in Williamsville, New York. She graduated from medical school in 2018 and has 6 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Buffalo Medical Group, P.c. and her current practice location is 325 Essjay Rd, Williamsville, New York. You can reach out to her office (for appointments etc.) via phone at (716) 656-4463.

Maria Kontos is licensed to practice in New York (license number 310624-01) 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 1003302910.

Contact Information

Maria Kontos, DO
325 Essjay Rd,
Williamsville, NY 14221-8243
(716) 656-4463
Not Available

Map and Direction




Physician's Profile

Full NameMaria Kontos
GenderFemale
SpecialityInternal Medicine
Experience6 Years
Location325 Essjay Rd, Williamsville, New York
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:
  • Maria Kontos graduated from medical school in 2018
  NPI Data:
  • NPI Number: 1003302910
  • Provider Enumeration Date: 07/03/2018
  • Last Update Date: 12/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6305195991
  • Enrollment ID: I20210629001637

Medical Identifiers

Medical identifiers for Maria Kontos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003302910NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 310624-01 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Buffalo Medical Group, P.c.7012820301230

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. Maria Kontos allows following entities to bill medicare on her behalf.
Entity NameBuffalo Medical Group, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881659506
PECOS PAC ID: 7012820301
Enrollment ID: O20031112000213

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. Maria Kontos 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
Maria Kontos, DO
425 Essjay Rd Ste 170,
Williamsville, NY 14221-8235

Ph: (716) 630-1219		Maria Kontos, DO
325 Essjay Rd,
Williamsville, NY 14221-8243

Ph: (716) 656-4463

Reviews and Comments


Internal Medicine Doctors in Williamsville, NY

Dr. Anderson Ka Ho Lai, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1540 Maple Rd, Williamsville, NY 14221
Phone: 716-568-3514    
Colleen Klos,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1540 Maple Rd, Williamsville, NY 14221
Phone: 716-568-3514    
Dawn Patricia Hrab, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1835 Maple Rd, Williamsville, NY 14221
Phone: 716-634-5410    Fax: 716-634-0430
Cheri A Gorski-suhr, RPAC
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 825 Wehrle Drive, Cardiology Group Of Western New York,pc, Williamsville, NY 14221
Phone: 716-634-3243    Fax: 716-634-1930
Yijun Cheng, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 295 Essjay Rd, Williamsville, NY 14221
Phone: 716-630-1048    
Mr. Martin Neal Mango, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1825 Maple Rd, Williamsville, NY 14221
Phone: 716-631-0834    Fax: 716-631-0880

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.