David Asher Leiman, MD - Medicare Gastroenterology in Durham, NC

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David Asher Leiman, MD is a medicare enrolled "Student In An Organized Health Care Education/training Program" physician in Durham, North Carolina. He went to Vanderbilt University School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Duke Health Integrated Practice Inc and his current practice location is Duke South, Gastroenterology Box 3913, Room 0348, Basement, Orange Zone, Durham, North Carolina. You can reach out to his office (for appointments etc.) via phone at (301) 758-0727.

David Asher Leiman is licensed to practice in Pennsylvania (license number MT195507) 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 1558596403.

Contact Information

David Asher Leiman, MD
Duke South, Gastroenterology Box 3913, Room 0348, Basement, Orange Zone,
Durham, NC 27710
(301) 758-0727
Not Available

Map and Direction




Physician's Profile

Full NameDavid Asher Leiman
GenderMale
SpecialityGastroenterology
Experience15 Years
LocationDuke South, Gastroenterology Box 3913, Durham, North Carolina
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:
  • David Asher Leiman attended and graduated from Vanderbilt University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1558596403
  • Provider Enumeration Date: 05/21/2009
  • Last Update Date: 07/06/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6103133046
  • Enrollment ID: I20150909003349

Medical Identifiers

Medical identifiers for David Asher Leiman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558596403NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MT195507 (Pennsylvania)Secondary
390200000XStudent In An Organized Health Care Education/training Program MT195507 (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Duke University HospitalDurham, NCHospital
Duke Regional HospitalDurham, NCHospital
Duke Health Raleigh HospitalRaleigh, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Duke Health Integrated Practice Inc83254127372636

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. David Asher Leiman allows following entities to bill medicare on his behalf.
Entity NamePrivate Diagnostic Clinic Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457389033
PECOS PAC ID: 1355254368
Enrollment ID: O20031204000577
Entity NameDuke Health Integrated Practice Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205553369
PECOS PAC ID: 8325412737
Enrollment ID: O20230327002247

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. David Asher Leiman 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
David Asher Leiman, MD
Duke South, Gastroenterology Box 3913, Room 0348, Basement, Orange Zone,
Durham, NC 27710

Ph: (301) 758-0727		David Asher Leiman, MD
Duke South, Gastroenterology Box 3913, Room 0348, Basement, Orange Zone,
Durham, NC 27710

Ph: (301) 758-0727

Reviews and Comments



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.