Alexander Gaitanis, DO - Medicare Internal Medicine in Philadelphia, PA

Alexander Gaitanis, DO is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Philadelphia, Pennsylvania. His current practice location is 5501 Old York Rd Ste 1, Philadelphia, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 456-3880.

Alexander Gaitanis is licensed to practice in Pennsylvania (license number OS017678) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1114937844.

Contact Information

Alexander Gaitanis, DO
5501 Old York Rd Ste 1,
Philadelphia, PA 19141-3018
(215) 456-3880
(215) 456-3437

Map and Direction




Physician's Profile

Full NameAlexander Gaitanis
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location5501 Old York Rd Ste 1, Philadelphia, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1114937844
  • Provider Enumeration Date: 08/08/2006
  • Last Update Date: 03/03/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8022016641
  • Enrollment ID: I20061115000089

Medical Identifiers

Medical identifiers for Alexander Gaitanis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114937844NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 10801 (California)Secondary
207RX0202XInternal Medicine - Medical Oncology OS017678 (Pennsylvania)Primary
207R00000XInternal Medicine 1799 (Tennessee)Secondary

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. Alexander Gaitanis allows following entities to bill medicare on his behalf.
Entity NameUniversity Health System, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790738763
PECOS PAC ID: 5294646378
Enrollment ID: O20031111000809

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. Alexander Gaitanis 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
Alexander Gaitanis, DO
101 E Olney Ave Ste 400,
Philadelphia, PA 19120-2470

Ph: (215) 456-1825
Alexander Gaitanis, DO
5501 Old York Rd Ste 1,
Philadelphia, PA 19141-3018

Ph: (215) 456-3880

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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