Internal Medicine
Dr. MARISSA AMBRON D.O.
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 Plan acceptance stays unpublished until the practice reports it.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 1518113570 · enumerated 2008-08-11 · record updated 2012-01-11. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Other names: MARISSA WEAKNECHT
Addresses and phones
- Practice location 700 HIGH STREET, WILLIAMSPORT, PA, 17701-3198 (570) 321-2850 Fax (570) 321-2851 Google Maps Apple Maps OpenStreetMap
- Mailing address 1201 GRAMPIAN BLVD, SUITE 1K, WILLIAMSPORT, PA, 17701-1900 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 0012720 PA
- Internal Medicine 207R00000X · Primary · License OS014928 PA
- Hospitalist 208M00000X · License OS014928 PA
In this directory
Locations and evidence
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Practice location
WILLIAMSPORT, PA, 177013198
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.