Margaret Williams Lowenstein, MD - Medicare in Philadelphia, PA

Margaret Williams Lowenstein, MD is a medicare enrolled "Hospitalist" physician in Philadelphia, Pennsylvania. Her current practice location is 51 N 39th St, Philadelphia, Philadelphia, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (215) 662-3797.

Margaret Williams Lowenstein is licensed to practice in Pennsylvania (license number MD462183) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1326381872.

Contact Information

Margaret Williams Lowenstein, MD
51 N 39th St, Philadelphia,
Philadelphia, PA 19104
(215) 662-3797
Not Available

Map and Direction




Physician's Profile

Full NameMargaret Williams Lowenstein
GenderFemale
Speciality
Experience Years
Location51 N 39th St, Philadelphia, Philadelphia, Pennsylvania
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Margaret Williams Lowenstein attended and graduated from in
  NPI Data:
  • NPI Number: 1326381872
  • Provider Enumeration Date: 04/03/2013
  • Last Update Date: 02/20/2023
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Margaret Williams Lowenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326381872NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RA0401XInternal Medicine - Addiction Medicine MD462183 (Pennsylvania)Secondary
207R00000XInternal Medicine MD462183 (Pennsylvania)Secondary
208M00000XHospitalist MD462183 (Pennsylvania)Primary

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. Margaret Williams Lowenstein 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
Margaret Williams Lowenstein, MD
3400 Spruce St, 5 Maloney,
Philadelphia, PA 19104-4238

Ph: (215) 662-3797
Margaret Williams Lowenstein, MD
51 N 39th St, Philadelphia,
Philadelphia, PA 19104

Ph: (215) 662-3797

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.

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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