Physician Profile
Justin B. Nast, MD practices preventive medicine in Fairfield, CA. Justin is also listed as specializing in preventive medicine — preventive/occupational and gynecology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2470 HILBORN RD STE 100
Fairfield, CA 94534
88 MDG/SGHJ 4881 Sugar Maple Dr
Wright-patterson Afb, OH 45433
Dr. Nast is a preventive medicine in Fairfield, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Nast is listed at 2470 Hilborn Rd Ste 100, Fairfield, CA 94534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 646-4600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Nast's National Provider Identifier is 1669465449. 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
Dr. Nast has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nast. 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.