Larry Adam Nathanson, MD - Medicare Emergency Medicine in Boston, MA

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Larry Adam Nathanson, MD is a medicare enrolled "Emergency Medicine" physician in Boston, Massachusetts. He went to State University Of Ny Upstate Medical University and graduated in 1996 and has 29 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Lahey Clinic Inc, Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc, Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is, Bid-milton Physician Associates Inc, Beth Israel Deaconess Medical Center Inc and his current practice location is 1 Deaconess Rd, W/cc2, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 754-2389.

Larry Adam Nathanson is licensed to practice in Massachusetts (license number 158840) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1740220276.

Contact Information

Larry Adam Nathanson, MD
1 Deaconess Rd, W/cc2,
Boston, MA 02215-5321
(617) 754-2389
Not Available

Map and Direction




Physician's Profile

Full NameLarry Adam Nathanson
GenderMale
SpecialityEmergency Medicine
Experience29 Years
Location1 Deaconess Rd, Boston, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Larry Adam Nathanson attended and graduated from State University Of Ny Upstate Medical University in 1996
  NPI Data:
  • NPI Number: 1740220276
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 02/16/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6103904073
  • Enrollment ID: I20080417000055

Medical Identifiers

Medical identifiers for Larry Adam Nathanson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740220276NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 158840 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lahey Hospital & Medical Center, BurlingtonBurlington, MAHospital
Beth Israel Deaconess Hospital - NeedhamNeedham, MAHospital
Beth Israel Deaconess Medical CenterBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lahey Clinic Inc22643365281268
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc44865671041474
Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is6305749987495
Bid-milton Physician Associates Inc741637539942
Beth Israel Deaconess Medical Center Inc812393611981

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. Larry Adam Nathanson allows following entities to bill medicare on his behalf.
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538194980
PECOS PAC ID: 2264336528
Enrollment ID: O20031120000097
Entity NameHarvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316987993
PECOS PAC ID: 4486567104
Enrollment ID: O20040105000227
Entity NameAssociated Physicians Of Harvard Medical Faculty Physicians At Beth Is
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952358533
PECOS PAC ID: 6305749987
Enrollment ID: O20040130000354
Entity NameMt Auburn Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992750996
PECOS PAC ID: 6103725031
Enrollment ID: O20040527001374
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063447316
PECOS PAC ID: 2264336528
Enrollment ID: O20040629001269
Entity NameBeth Israel Deaconess Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548202641
PECOS PAC ID: 8123936119
Enrollment ID: O20041001000827
Entity NameSteward Emergency Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780971275
PECOS PAC ID: 0244401404
Enrollment ID: O20110919000768
Entity NameAssociated Physicians Of Harvard Medical Faculty Physicians At Beth Is
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952358533
PECOS PAC ID: 6305749987
Enrollment ID: O20130606000720
Entity NameBid-milton Physician Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164060778
PECOS PAC ID: 7416375399
Enrollment ID: O20200909000678
Entity NameHarvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538774443
PECOS PAC ID: 4486567104
Enrollment ID: O20201029002622

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. Larry Adam Nathanson 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
Larry Adam Nathanson, MD
1 Deaconess Rd, W/cc2,
Boston, MA 02215-5321

Ph: (617) 754-2389		Larry Adam Nathanson, MD
1 Deaconess Rd, W/cc2,
Boston, MA 02215-5321

Ph: (617) 754-2389

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.