Provider Profile

Joan Threlfall

Unclaimed Profile

About Joan Threlfall

Joan Threlfall is a certified registered nurse anesthetist practicing in Washington, DC. Joan is also listed as specializing in anesthesiology. According to Medicare claims data, Joan cared for 91 Medicare patients across 96 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, anesthesia for other procedure on large bowel using an endoscope, and anesthesia for procedure on small and large bowel using an endoscope.

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.

Education & Training

School Other Graduated: 1984

Specialty

Certified Registered Nurse Anesthetist (Primary)
Certified Registered Nurse Anesthetist (Additional)

Credentials & Licensing

DC license7601061761
DC licenseRN61761
NPI1043210966
NPI issued07/22/2005

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

Accepts Medicare assignmentYes
Medicare opt-outNo

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 kind of doctor is Joan Threlfall?

Joan Threlfall is a certified registered nurse anesthetist in Washington, DC. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Joan Threlfall's address?

Joan Threlfall is listed at 3800 Reservoir Rd Nw, Washington, DC 20007. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Joan Threlfall?

The number on file is (202) 444-8640. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Joan Threlfall's NPI number?

Joan Threlfall's National Provider Identifier is 1043210966. 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

Where did Joan Threlfall train?

Joan Threlfall attended Other, graduating in 1984. This comes from the CMS National Downloadable File.

CMS public data

How long has Joan Threlfall been practicing?

Joan Threlfall has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.

CMS public data

What procedures does Joan Threlfall perform?

According to Medicare billing data, Joan Threlfall provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for other procedure on large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Joan Threlfall confirmed this information?

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