Mary Louise Lenahan, MD - Medicare Dermatology in East Amherst, NY

Mary Louise Lenahan, MD is a medicare enrolled "Dermatology - Procedural Dermatology" physician in East Amherst, New York. She graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Dermatology. She is a member of the group practice Lenahan Dermatology Pllc and her current practice location is 6507 Transit Rd, East Amherst, New York. You can reach out to her office (for appointments etc.) via phone at (716) 689-4377.

Mary Louise Lenahan is licensed to practice in New York (license number 153446-1) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1144216953.

Contact Information

Mary Louise Lenahan, MD
6507 Transit Rd,
East Amherst, NY 14051-1427
(716) 689-4377
(716) 689-4843

Map and Direction




Physician's Profile

Full NameMary Louise Lenahan
GenderFemale
SpecialityDermatology
Experience45 Years
Location6507 Transit Rd, East Amherst, New York
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary Louise Lenahan graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1144216953
  • Provider Enumeration Date: 09/27/2005
  • Last Update Date: 05/20/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4981784709
  • Enrollment ID: I20080107000584

Medical Identifiers

Medical identifiers for Mary Louise Lenahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144216953NPI-NPPES
0301329OtherNYIHA
000500619001OtherNYBCBS OF WNY
00010102801OtherNYUNIVERA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207NS0135XDermatology - Procedural Dermatology 153446-1 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lenahan Dermatology Pllc01435746086

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 Louise Lenahan allows following entities to bill medicare on her behalf.
Entity NameLenahan Dermatology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871087221
PECOS PAC ID: 0143574608
Enrollment ID: O20181120000241

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 Louise Lenahan 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 Louise Lenahan, MD
6507 Transit Rd,
East Amherst, NY 14051-1427

Ph: (716) 689-4377
Mary Louise Lenahan, MD
6507 Transit Rd,
East Amherst, NY 14051-1427

Ph: (716) 689-4377

Reviews and Comments


Dermatology Doctors in East Amherst, NY


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).

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