WILLIAM HABERSTROH D.O.
NPI 1346773462
Internal Medicine - Gastroenterology in Bryn Mawr, PA
About William Haberstroh D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HABERSTROH D.O. (NPI 1346773462) is an individual gastroenterology provider in Bryn Mawr, Pennsylvania, licensed in Pennsylvania (OS022869) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Haberstroh D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Haberstroh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bryn Mawr, PA 19010
- Reassigned Medicare billing, Pennsylvania enrollment
- 171 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bryn Mawr Hospital
Acute Care Hospitals · Bryn Mawr, PAChester County Hospital
Acute Care Hospitals · West Chester, PAMain Line Hospital Lankenau
Acute Care Hospitals · Wynnewood, PARiddle Memorial Hospital
Acute Care Hospitals · Media, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRYN MAWR, PA 19010
BRYN MAWR, PA 19010
BRYN MAWR, PA 19010
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Haberstroh's NPI number?
The NPI number for William Haberstroh is 1346773462. It was assigned to this individual provider in the NPPES registry on April 5, 2017.
Where is William Haberstroh located?
William Haberstroh practices at 825 Old Lancaster Rd Ste 340, Bryn Mawr, PA 19010. The listed phone number is (610) 527-9570.
What is William Haberstroh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is William Haberstroh enrolled in Medicare?
Yes. William Haberstroh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Haberstroh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Haberstroh reassigns Medicare benefits to Bryn Mawr Medical Specialists Association (Bryn Mawr, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Haberstroh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Haberstroh affiliated with any hospitals?
According to CMS data, William Haberstroh is affiliated with Bryn Mawr Hospital, Chester County Hospital, Main Line Hospital Lankenau and Riddle Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Haberstroh was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.