William Haberstroh, DO - Medicare Internal Medicine in Bryn Mawr, PA

William Haberstroh, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Bryn Mawr, Pennsylvania. His current practice location is 825 Old Lancaster Rd Ste 340, Bryn Mawr, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 527-9570.

William Haberstroh is licensed to practice in Pennsylvania (license number OS022869) 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 1346773462.

Contact Information

William Haberstroh, DO
825 Old Lancaster Rd Ste 340,
Bryn Mawr, PA 19010-3235
(610) 527-9570
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Haberstroh
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location825 Old Lancaster Rd Ste 340, Bryn Mawr, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1346773462
  • Provider Enumeration Date: 04/05/2017
  • Last Update Date: 07/25/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9335598655
  • Enrollment ID: I20231212003421

Medical Identifiers

Medical identifiers for William Haberstroh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346773462NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology OS022869 (Pennsylvania)Primary

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 Haberstroh allows following entities to bill medicare on his behalf.
Entity NameBryn Mawr Medical Specialists Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841226099
PECOS PAC ID: 4183610934
Enrollment ID: O20040426000467

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 Haberstroh 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 Haberstroh, DO
3800 Reservoir Rd Nw, Department Of Medicine,
Washington, DC 20007-2113

Ph: (404) 226-1562
William Haberstroh, DO
825 Old Lancaster Rd Ste 340,
Bryn Mawr, PA 19010-3235

Ph: (610) 527-9570

Reviews and Comments


Internal Medicine Doctors in Bryn Mawr, PA

Dr. Sameer Gupta, MD, MPH
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Kellie Ann Matson, PA-C
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 130 S Bryn Mawr Ave, Bryn Mawr, PA 19010
Phone: 484-337-3000    
John Steers, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-1165    Fax: 610-527-6611
Dr. Clarke U. Piatt, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Francis P. Day, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Robert R Atkins, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Anastasiya Viarouka, CRNP
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 825 Old Lancaster Rd Ste 350, Bryn Mawr, PA 19010
Phone: 610-527-8118    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.