Mark S Shahin, MD - Medicare Gynecological Oncology in Willow Grove, PA

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Mark S Shahin, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecologic Oncology" physician in Willow Grove, Pennsylvania. He went to Northwestern University Feinberg Medical School and graduated in 1993 and has 31 years of diverse experience with area of expertise as Gynecological Oncology. He is a member of the group practice Abington Memorial Hospital, Aria Health Physician Services, Alliance Cancer Specialists and his current practice location is 3941 Commerce Ave, Willow Grove, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 481-4000.

Mark S Shahin is licensed to practice in Pennsylvania (license number MD073008L) 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 1568440451.

Contact Information

Mark S Shahin, MD
3941 Commerce Ave,
Willow Grove, PA 19090-1104
(215) 481-4000
(215) 576-0740

Map and Direction




Physician's Profile

Full NameMark S Shahin
GenderMale
SpecialityGynecological Oncology
Experience31 Years
Location3941 Commerce Ave, Willow Grove, 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:
  • Mark S Shahin attended and graduated from Northwestern University Feinberg Medical School in 1993
  NPI Data:
  • NPI Number: 1568440451
  • Provider Enumeration Date: 01/03/2006
  • Last Update Date: 09/26/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 7810908209
  • Enrollment ID: I20060524000030

Medical Identifiers

Medical identifiers for Mark S Shahin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568440451NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VX0201XObstetrics & Gynecology - Gynecologic Oncology MD073008L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Doylestown HospitalDoylestown, PAHospital
Thomas Jefferson University HospitalPhiladelphia, PAHospital
Abington Memorial HospitalAbington, PAHospital
St Mary Medical CenterLanghorne, PAHospital
Jefferson HeathPhiladelphia, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Abington Memorial Hospital3274437736523
Aria Health Physician Services3577467018407
Alliance Cancer Specialists721419409159

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. Mark S Shahin allows following entities to bill medicare on his behalf.
Entity NameVia Affiliates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003446261
PECOS PAC ID: 1759295512
Enrollment ID: O20031117000104
Entity NameEinstein Practice Plan Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760434468
PECOS PAC ID: 2769395896
Enrollment ID: O20040219000728
Entity NameAria Health Physician Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750949806
PECOS PAC ID: 3577467018
Enrollment ID: O20040224000045
Entity NameAbington Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750306726
PECOS PAC ID: 3274437736
Enrollment ID: O20060524000014
Entity NameAbington Memorial Hospital
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1316189855
PECOS PAC ID: 3274437736
Enrollment ID: O20091218000204
Entity NameAlliance Cancer Specialists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487923686
PECOS PAC ID: 7214194091
Enrollment ID: O20120207000029
Entity NameAbington Memorial Hospital
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1548825243
PECOS PAC ID: 3274437736
Enrollment ID: O20190723002404

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. Mark S Shahin 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
Mark S Shahin, MD
3941 Commerce Ave,
Willow Grove, PA 19090-1104

Ph: (215) 481-4000		Mark S Shahin, MD
3941 Commerce Ave,
Willow Grove, PA 19090-1104

Ph: (215) 481-4000

Reviews and Comments


Obstetrics & Gynecology Doctors in Willow Grove, PA

Sherry L Blumenthal, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2701 Blair Mill Rd, Suite C, Willow Grove, PA 19090
Phone: 215-443-0660    Fax: 215-443-8422
Frank Theodore Sandsorum Jr., MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2300 Computer Rd, Ste E25, Willow Grove, PA 19090
Phone: 215-659-8080    Fax: 215-659-0977
Vahideh T Ameri, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 735 Fitzwatertown Rd, Suite 4, Willow Grove, PA 19090
Phone: 215-914-4400    Fax: 215-657-4887
Patricia Ann Sullivan, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2701 Blair Mill Rd Ste C, Willow Grove, PA 19090
Phone: 215-443-0660    Fax: 215-443-8422
Joseph James Murphy Iii, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2300 Computer Rd Ste E25, Willow Grove, PA 19090
Phone: 215-366-1160    Fax: 215-672-6853
Jessica M. Klemens, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2701 Blair Mill Rd, Suite C, Willow Grove, PA 19090
Phone: 215-443-0660    Fax: 215-443-8422
Dr. Elizabeth Burton,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3941 Commerce Ave, Willow Grove, PA 19090
Phone: 215-481-4000    

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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