Dr Alan M Mermelstein, MD - Medicare Gastroenterology in Phila, PA

Dr Alan M Mermelstein, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Phila, Pennsylvania. He went to Temple University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Nazareth Physician Services, Inc. and his current practice location is 7439 Frankford Ave, Phila, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 333-1377.

Dr Alan M Mermelstein is licensed to practice in Pennsylvania (license number MD033183E) 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 1073520458.

Contact Information

Dr Alan M Mermelstein, MD
7439 Frankford Ave,
Phila, PA 19136
(215) 333-1377
(215) 333-1399

Map and Direction




Physician's Profile

Full NameDr Alan M Mermelstein
GenderMale
SpecialityGastroenterology
Experience41 Years
Location7439 Frankford Ave, Phila, Pennsylvania
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:
  • Dr Alan M Mermelstein attended and graduated from Temple University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1073520458
  • Provider Enumeration Date: 08/01/2006
  • Last Update Date: 09/14/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 7719171172
  • Enrollment ID: I20101029000223

Medical Identifiers

Medical identifiers for Dr Alan M Mermelstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073520458NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD033183E (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Nazareth HospitalPhiladelphia, PAHospital

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. Dr Alan M Mermelstein allows following entities to bill medicare on his behalf.
Entity NameTrinity Health Mid-atlantic Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093771271
PECOS PAC ID: 7416861885
Enrollment ID: O20040326000613
Entity NameGreater Northeast Gastroenterology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255464749
PECOS PAC ID: 3779556337
Enrollment ID: O20040813000075
Entity NameNazareth Physician Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285150458
PECOS PAC ID: 0941229017
Enrollment ID: O20171026001610
Entity NameNazareth Physician Services, Inc.
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1275168718
PECOS PAC ID: 0941229017
Enrollment ID: O20200630001839

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. Dr Alan M Mermelstein 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
Dr Alan M Mermelstein, MD
7439 Frankford Ave,
Phila, PA 19136

Ph: (215) 333-1377
Dr Alan M Mermelstein, MD
7439 Frankford Ave,
Phila, PA 19136

Ph: (215) 333-1377

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.

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