Heather Marie Larson, PA - Medicare Physician Assistant in Orchard Park, NY

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Heather Marie Larson, PA is a medicare enrolled "Physician Assistant" in Orchard Park, New York. She graduated from nursing school in 2013 and has 13 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Southtowns Gastroenterology, Pllc and her current practice location is 310 Sterling Dr Ste 105, Orchard Park, New York. You can reach out to her office (for appointments etc.) via phone at (716) 677-9220.

Heather Marie Larson is licensed to practice in New York (license number 016812-1) 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 1003249269.

Contact Information

Heather Marie Larson, PA
310 Sterling Dr Ste 105,
Orchard Park, NY 14127-1500
(716) 677-9220
(716) 677-9226

Map and Direction




Provider's Profile

Full NameHeather Marie Larson
GenderFemale
SpecialityPhysician Assistant
Experience13 Years
Location310 Sterling Dr Ste 105, Orchard Park, 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:
  • Heather Marie Larson graduated from nursing school in 2013
  NPI Data:
  • NPI Number: 1003249269
  • Provider Enumeration Date: 08/12/2013
  • Last Update Date: 07/06/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3971747882
  • Enrollment ID: I20130916000426

Medical Identifiers

Medical identifiers for Heather Marie Larson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003249269NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant 016812-1 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sisters Of Charity HospitalBuffalo, NYHospital
Mercy Hospital Of BuffaloBuffalo, NYHospital
Brooks-tlc Hospital System, IncDunkirk, NYHospital
Kaleida HealthBuffalo, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southtowns Gastroenterology, Pllc81232046583

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. Heather Marie Larson allows following entities to bill medicare on her behalf.
Entity NameSouthtowns Gastroenterology, PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679872055
PECOS PAC ID: 8123204658
Enrollment ID: O20110518000643

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. Heather Marie Larson 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
Heather Marie Larson, PA
199 Park Club Ln Ste 500,
Williamsville, NY 14221-5269

Ph: (716) 845-1300		Heather Marie Larson, PA
310 Sterling Dr Ste 105,
Orchard Park, NY 14127-1500

Ph: (716) 677-9220

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.