Individual Healthcare Provider
Alexander Ferdows Baten-Tschan
Provider's NPPES record last updated: March 27, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1205333457
- Primary Specialty
- Ophthalmology — Glaucoma Specialist
- Practice Location
- Bethesda, Maryland
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 7:47 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Ophthalmology
Glaucoma Specialist
Allopathic & Osteopathic Physicians
An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
Taxonomy code 207WX0009X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Ophthalmology (Maryland)
- D0098483
- Student in an Organized Health Care Education/Training Program (Pennsylvania)
- MT219196
Practice Locations
Practice Location
6720a Rockledge Dr Ste 200
Bethesda, Maryland 20817-9915
Phone: (301) 493-9600
Additional Practice Location
500 J Clyde Morris Blvd Fl 2
Newport News, Virginia 23601-1929
Phone: (757) 594-3945
Fax: (757) 594-3184
Additional Practice Location
500 University Dr
Hershey, Pennsylvania 17033-2360
Phone: (301) 538-3074
Record Information
- Enumeration Date
- April 12, 2018
- Provider's NPPES Record Last Updated
- March 27, 2025
- Certification Date
- March 27, 2025
- NPISignal NPPES Dataset
- August 2026
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