Physician Profile

Julia Trettin, MD

Unclaimed Profile

About Dr. Trettin

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Specialty

Internal Medicine (Primary)

Credentials & Licensing

LA license352003
NPI1205760154
NPI issued06/08/2026

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Trettin specialize in?

Dr. Trettin is an internist in Shreveport, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Dr. Trettin located?

Dr. Trettin is listed at 1501 Kings Hwy, Shreveport, LA 71103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Trettin's phone number?

The number on file is (318) 381-3633. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Trettin's NPI number?

Dr. Trettin's National Provider Identifier is 1205760154. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Has Dr. Trettin confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Trettin. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.