Dennis Alex, - Medicare Nurse Practitioner in Buffalo, NY

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Dennis Alex, is a medicare enrolled "Nurse Practitioner - Adult Health" in Buffalo, New York. His current practice location is 85 High St, Buffalo, New York. You can reach out to his office (for appointments etc.) via phone at (716) 630-1000.

Dennis Alex is licensed to practice in New York (license number 309105) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1396203691.

Contact Information

Dennis Alex,
85 High St,
Buffalo, NY 14203-1149
(716) 630-1000
(716) 630-1348

Map and Direction




Provider's Profile

Full NameDennis Alex
GenderMale
SpecialityNurse Practitioner - Adult Health
Location85 High St, Buffalo, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396203691
  • Provider Enumeration Date: 03/05/2019
  • Last Update Date: 12/01/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4789925751
  • Enrollment ID: I20190402000080

Medical Identifiers

Medical identifiers for Dennis Alex such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396203691NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2200XNurse Practitioner - Adult Health 309105 (New York)Primary

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. Dennis Alex allows following entities to bill medicare on his 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
Entity NameSisters Of Charity Hospital Of Buffalo New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790727543
PECOS PAC ID: 6204749153
Enrollment ID: O20031126000557
Entity NameKenmore Mercy Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770598104
PECOS PAC ID: 7517870462
Enrollment ID: O20040319000138
Entity NameMount St. Marys Hospital Of Niagara Falls
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043394745
PECOS PAC ID: 4082523790
Enrollment ID: O20040403000031
Entity NameMercy Hospital Of Buffalo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164464921
PECOS PAC ID: 8729991666
Enrollment ID: O20040702001253

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. Dennis Alex 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
Dennis Alex,
425 Essjay Rd Ste 170,
Williamsville, NY 14221-8235

Ph: (716) 630-1219		Dennis Alex,
85 High St,
Buffalo, NY 14203-1149

Ph: (716) 630-1000

Reviews and Comments


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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.