William J Greeley, MD - Medicare Anesthesiology in Philadelphia, PA

William J Greeley, MD is a medicare enrolled "Anesthesiology - Pediatric Anesthesiology" physician in Philadelphia, Pennsylvania. His current practice location is 34th Street & Civic Center Blvd, Suite 9329, Philadelphia, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 590-1858.

William J Greeley is licensed to practice in Pennsylvania (license number MD028118E) 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 1023129111.

Contact Information

William J Greeley, MD
34th Street & Civic Center Blvd, Suite 9329,
Philadelphia, PA 19104
(215) 590-1858
(215) 590-1415

Map and Direction




Physician's Profile

Full NameWilliam J Greeley
GenderMale
SpecialityAnesthesiology - Pediatric Anesthesiology
Location34th Street & Civic Center Blvd, Philadelphia, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1023129111
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 03/29/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5597668327
  • Enrollment ID: I20180810001262

Medical Identifiers

Medical identifiers for William J Greeley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023129111NPI-NPPES
189532EJLOtherPAMEDICARE PTAN ANESTHESIOLOGY
0016005540MedicaidPA
189532EMDOtherPAMEDICARE PTAN CRITICAL CARE MEDICINE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology MD028118E (Pennsylvania)Secondary
207LP3000XAnesthesiology - Pediatric Anesthesiology MD028118E (Pennsylvania)Primary
208000000XPediatrics MD028118E (Pennsylvania)Secondary
2080P0203XPediatrics - Pediatric Critical Care Medicine MD028118E (Pennsylvania)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. William J Greeley allows following entities to bill medicare on his behalf.
Entity NameChs Anesthesia Services Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346649415
PECOS PAC ID: 5799007324
Enrollment ID: O20141209001856

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. William J Greeley 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
William J Greeley, MD
100 E Penn Sq, The Wanamaker Building, 9th Floor,
Philadelphia, PA 19107-3323

Ph: (267) 425-9300
William J Greeley, MD
34th Street & Civic Center Blvd, Suite 9329,
Philadelphia, PA 19104

Ph: (215) 590-1858

Reviews and Comments


Anesthesiology Doctors in Philadelphia, PA

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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).

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