Mary Margaret Oneil, MD - Medicare Rheumatology in Cheektowaga, NY

Mary Margaret Oneil, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Cheektowaga, New York. She went to Saint Louis University School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Rheumatology Wellness Care Of Wny Pllc and her current practice location is 2355 Union Rd Ste 100, Cheektowaga, New York. You can reach out to her office (for appointments etc.) via phone at (716) 898-0755.

Mary Margaret Oneil is licensed to practice in New York (license number 188049-1) 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 1598790818.

Contact Information

Mary Margaret Oneil, MD
2355 Union Rd Ste 100,
Cheektowaga, NY 14227-2234
(716) 898-0755
(716) 898-0775



Physician's Profile

Full NameMary Margaret Oneil
GenderFemale
SpecialityRheumatology
Experience34 Years
Location2355 Union Rd Ste 100, Cheektowaga, 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:
  • Mary Margaret Oneil attended and graduated from Saint Louis University School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1598790818
  • Provider Enumeration Date: 07/12/2006
  • Last Update Date: 10/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9537292131
  • Enrollment ID: I20100803000937

Medical Identifiers

Medical identifiers for Mary Margaret Oneil such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598790818NPI-NPPES
01316201MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 188049-1 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Brooks-tlc Hospital System, IncDunkirk, NYHospital
Kaleida HealthBuffalo, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rheumatology Wellness Care Of Wny Pllc46889784715

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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. Mary Margaret Oneil allows following entities to bill medicare on her behalf.
Entity NameRheumatology Wellness Care Of Wny Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992161582
PECOS PAC ID: 4688978471
Enrollment ID: O20160216000460

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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. Mary Margaret Oneil 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 Margaret Oneil, MD
2355 Union Rd Ste 100,
Cheektowaga, NY 14227-2234

Ph: (716) 898-0755
Mary Margaret Oneil, MD
2355 Union Rd Ste 100,
Cheektowaga, NY 14227-2234

Ph: (716) 898-0755

News Archive

Researchers study why colon cancer is more lethal in pediatric and young adult patients

Colon cancer is more likely to be lethal in children and young adults than middle-aged adults. In a single-institution study, researchers at The University of Texas MD Anderson Cancer Center, Houston, Tex., found that differences in mortality rates persist regardless of whether pediatric, adolescent, and young adult patients (aged 24 and younger) were born with a predisposition for colon abnormalities or disease and for the first time conclude that young people are more likely to have metastases outside the colon, into the abdominal cavity, when they are diagnosed.

Study: Health plans dropped after health law may have been canceled anyway

A new study says the health law didn't lead to more cancellations of health plans than what typically occurs every year as part of the normal churn of the individual policy market.

Augusta woman sues Fairbank Farms over E. coli infected ground beef

As news broke that more Maine residents may be infected with E. coli from Fairbank Farms ground beef, an Augusta woman severely sickened in the E. coli outbreak has filed suit against the company. The lawsuit was filed in the Maine District Court by the plaintiff's attorneys, Bill Marler of foodborne illness law firm Marler Clark, and Peter Felmley of the Portland firm Drummond, Woodsum, & MacMahon.

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Internal Medicine Doctors in Cheektowaga, NY

Joseph Dipirro, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2625 Harlem Rd, Suite 180, Cheektowaga, NY 14225
Phone: 716-893-4797    Fax: 716-893-1697
Shaikh Arif Manzoor, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 132 Cayuga Rd, Suite 1-c, Cheektowaga, NY 14225
Phone: 716-204-9711    Fax: 716-204-9717
Dr. Ghulam S Masoodi, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 928 French Rd # B, Cheektowaga, NY 14227
Phone: 716-668-2592    Fax: 716-668-1383
Dr. Rajarshi Parai, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3091 William St, Cheektowaga, NY 14227
Phone: 716-822-3098    
Eugene James Kalmuk Jr., MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 2625 Harlem Rd, Suite 180, Cheektowaga, NY 14225
Phone: 716-893-4797    Fax: 716-893-1697
Pedro G Joven, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 162 George Urban Blvd, Cheektowaga, NY 14225
Phone: 716-895-6826    Fax: 716-895-1397
Nawfal Alkhafaji, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3091 William St, Cheektowaga, NY 14227
Phone: 716-822-3098    Fax: 716-819-1809

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