Physician Profile

Manuel Guillen, MD

Unclaimed Profile

About Dr. Guillen

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Specialty

Allergy (Primary)

Credentials & Licensing

VA license0101032457
NPI1811092414
NPI issued09/14/2006

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. Guillen specialize in?

Dr. Guillen is an allergy in Great Falls, VA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Guillen located?

Dr. Guillen is listed at 101 34 D Colvin Run Road, Great Falls, VA 22066. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Guillen's phone number?

The number on file is (703) 757-7950. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Guillen's NPI number?

Dr. Guillen's National Provider Identifier is 1811092414. 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

How long has Dr. Guillen been practicing?

Dr. Guillen has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Guillen confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guillen. 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.