NPPES file of Aug 9, 2026

Marielena Gamboa-Ruiz, DDS

Endodontics · Boston, MA

Marielena Gamboa-Ruiz, DDS is an endodontics with a practice address in Boston, Massachusetts, and NPI 1194151118, issued on Sep 23, 2013. Check the license (Massachusetts DL13177, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194151118
Name
Marielena Gamboa-Ruiz
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License number
DL13177 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Kneeland St FL 11, Boston, MA 02111
Phone
(617) 669-2709
Enumerated
Sep 23, 2013
Record last updated
Nov 22, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1 Kneeland St FL 11

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samah BukhariEndodontics1871962522
  2. Mitzi Liu, DMDOrthodontics and Dentofacial Orthopedics Dentistry1487039152
  3. Tracy Maloney, DMDOrthodontics and Dentofacial Orthopedics Dentistry1326548694
  4. Leila Motamedi, DMDStudent in an Organized Health Care Education/Training Program1912682337
  5. Stephanie Phillis, DMDStudent in an Organized Health Care Education/Training Program1861912602
  6. Devon Ptak, DMD, MPHDentist1063038289

Verify Marielena Gamboa-Ruiz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license DL13177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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71% fewer Medicare Part D claims than the average endodontics in 2024

35 Medicare Part D claims for 28 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Marielena Gamboa-Ruiz35
  2. Specialty average121

Most prescribed

  1. Amoxicillin14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Marielena Gamboa-Ruiz among 276 endodontics records in Massachusetts

Marielena Gamboa-Ruiz, DDS is one of 276 endodontics records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2017 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Massachusetts

There are 276 endodontics records in Massachusetts.

The 8 endodontics records with the nearest ZIP codes

  1. Ayman Aboushala, D.M.D.Boston, MA 021111730244401
  2. Elinor Alon, DMDBoston, MA 021111073022711
  3. Samah BukhariBoston, MA 021111871962522
  4. Cindy CastilloBoston, MA 021111922663400
  5. Schuyler Deluca, DDSBoston, MA 021111265923460
  6. Zameera Fida, DMDBoston, MA 021111558523498
  7. Maria Rachel Figueiredo Penalva Monteiro, DDSBoston, MA 021111285271494
  8. Steven Kaminsky, DMDBoston, MA 021111073841318

Common questions

What is Marielena Gamboa-Ruiz, DDS's NPI number?

Marielena Gamboa-Ruiz, DDS's National Provider Identifier (NPI) is 1194151118, issued on Sep 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Marielena Gamboa-Ruiz, DDS located?

The NPPES record lists a practice address at 1 Kneeland St FL 11, Boston, MA, 02111. Phone: (617) 669-2709. Providers update this record themselves, so call before visiting.

How can I verify Marielena Gamboa-Ruiz, DDS's license?

NPPES lists Massachusetts license number DL13177, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Marielena Gamboa-Ruiz, DDS prescribe under Medicare Part D?

In 2024, Marielena Gamboa-Ruiz, DDS had 35 Medicare Part D claims for 28 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.