Maria Sierra
Dentist · Great Barrington, MA
Maria Sierra is a dentist with a practice address in Great Barrington, Massachusetts, and NPI 1124993852, issued on Oct 10, 2025. Check the license (Massachusetts DL101226, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maria Sierra
- Primary taxonomy
- Dentist 122300000X
- License number
- DL101226 MA
Self-reported in NPPES; status is on the state search - Practice location
- 444 Stockbridge RD, Great Barrington, MA 01230
- Phone
- (413) 528-5565
- Enumerated
- Oct 10, 2025
- Record last updated
- Oct 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20260306000460); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 444 Stockbridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Natallia PetrushenkaDentist1285334979
Verify Maria Sierra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DL101226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Sierra among 2,934 dentist records in Massachusetts
Maria Sierra is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 95% of them.
- NPI issued2025 · 95% of these records are older, 1% newer
- In a Medicare fileNo · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated1999 · median 2012 among the 18 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 dentist records list a practice address in Great Barrington
They are 4 of the 278 NPPES records with a practice address in Great Barrington, and 2,934 dentist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,934 in Massachusetts → Every provider in Great Barrington → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael Mullany, DMDGreat Barrington, MA 012301386273985
- Deepak Nainal, DMDGreat Barrington, MA 012301376018010
- Natallia PetrushenkaGreat Barrington, MA 012301285334979
- J Carsell, D.D.S.Dalton, MA 012261609863455
- Abdalla AbdelaalAdams, MA 012201528991668
- Nieca Faggioli, D.M.D.Lenox, MA 012401205045457
- Vyomita Kushwah, BDSAdams, MA 012201770397705
- Victor Munoz, DNDLenox, MA 012401053040204
Common questions
What is Maria Sierra's NPI number?
Maria Sierra's National Provider Identifier (NPI) is 1124993852, issued on Oct 10, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Maria Sierra located?
The NPPES record lists a practice address at 444 Stockbridge RD, Great Barrington, MA, 01230. Phone: (413) 528-5565. Providers update this record themselves, so call before visiting.
How can I verify Maria Sierra's license?
NPPES lists Massachusetts license number DL101226, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.