Internal Medicine, Nephrology
Dr. WILLIAM ASCH M.D., Ph.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1003933326 · enumerated 2007-03-23 · record updated 2007-10-27. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 216 BISHOP STREET, APARTMENT 314, NEW HAVEN, CT, 06511-3794 (203) 785-4184 Fax (203) 785-7068 Google Maps Apple Maps OpenStreetMap
- Practice location 20 YORK STREET CB 2041, HOSPITALIST SERVICE, NEW HAVEN, CT, 06510 (203) 688-4748 Fax (203) 688-4740 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 044496 CT
- Internal Medicine, Nephrology 207RN0300X · Primary · License 044496 CT
- Hospitalist 208M00000X · License 044496 CT
In this directory
Locations and evidence
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Practice location
NEW HAVEN, CT, 06510
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.