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Provider Profile

Maria Sierra

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At a glance

About Maria Sierra

Maria Sierra is a dentist practicing in Great Barrington, MA. This provider record is associated with NPI 1124993852.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 1999

Specialty

Dentist (Primary)

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. DL101226As reported
NPINational Provider Identifier
1124993852Issued 2025

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
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 kind of doctor is Maria Sierra?

Maria Sierra is a dentist in Great Barrington, MA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Maria Sierra's address?

Maria Sierra is listed at 444 Stockbridge Rd, Great Barrington, MA 01230. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Maria Sierra?

The number on file is (413) 528-5565. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Maria Sierra's NPI number?

Maria Sierra's National Provider Identifier is 1124993852. 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 Maria Sierra train?

Maria Sierra attended Other, graduating in 1999. This comes from the CMS National Downloadable File.

CMS public data

How long has Maria Sierra been practicing?

Maria Sierra has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.

CMS public data

Has Maria Sierra confirmed this information?

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

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Guide.md listings do not constitute medical advice or an endorsement.

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