NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher M Aderman, M.D.

Retina Specialist (Ophthalmology) Physician in Troutdale, OR · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1912260381

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Christopher M Aderman
Credential M.D.
Sex Male
Practice address 24601 Se Stark St, Troutdale, OR, 97060
Phone (503) 344-5102
Fax (503) 344-5110
Enumeration date Jun 20, 2012
Last updated in NPPES Feb 20, 2021

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD457531 (PA) Secondary
207WX0107X Retina Specialist (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License MD187027 (OR) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Christopher Aderman practice?
The practice location on file with NPPES is in Troutdale, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Aderman?
The National Provider Identifier (NPI) for Christopher Aderman is 1912260381, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-20.