NPPES file of Aug 9, 2026

Mario Ernesto Montealegre Gallegos, MD

Anesthesiology Physician · Boston, MA

Mario Ernesto Montealegre Gallegos, MD is an anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1255781225, issued on Jun 20, 2016. Check the license (Massachusetts 268546, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255781225
Name
Mario Ernesto Montealegre Gallegos
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
268546 MA
63039 CT
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave # Rabb239, Boston, MA 02215
Phone
(617) 667-5048
Enumerated
Jun 20, 2016
Record last updated
Jun 6, 2022
Fax
(617) 667-5050
Medicare enrollment
Enrolled (PECOS I20220801000877); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 330 Brookline Ave # Rabb239

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

  1. Philip Chan, M.D.Anesthesiology Physician1023460482
  2. Janna Taylor, M.D.Anesthesiology Physician1609225127

Verify Mario Ernesto Montealegre Gallegos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 268546
    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
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mario Ernesto Montealegre Gallegos among 2,089 anesthesiology physician records in Massachusetts

Mario Ernesto Montealegre Gallegos, MD is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2003 · median 2008 among the 1,472 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,082 anesthesiology physician records list a practice address in Boston

They are 1,082 of the 41,865 NPPES records with a practice address in Boston, and 2,089 anesthesiology physician records in Massachusetts.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ruma Bose, M.D.Boston, MA 022151730126327
  2. David Feinstein, M.D.Boston, MA 022151417995705
  3. Jeffrey Jankun, M.D.Boston, MA 022151821045519
  4. Lisa Kunze, M.D.Boston, MA 022151851347652
  5. Shirie Leng, M.D.Boston, MA 022151841247574
  6. Yunping Li, M.D.Boston, MA 022151922069947
  7. Feroze-Ud-Din Mahmood, M.D.Boston, MA 022151487692786
  8. Achikam Oren Grinberg, M.D.Boston, MA 022151134116924

Common questions

What is Mario Ernesto Montealegre Gallegos, MD's NPI number?

Mario Ernesto Montealegre Gallegos, MD's National Provider Identifier (NPI) is 1255781225, issued on Jun 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mario Ernesto Montealegre Gallegos, MD located?

The NPPES record lists a practice address at 330 Brookline Ave # Rabb239, Boston, MA, 02215. Phone: (617) 667-5048. Providers update this record themselves, so call before visiting.

How can I verify Mario Ernesto Montealegre Gallegos, MD's license?

NPPES lists Massachusetts license number 268546, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Mario Ernesto Montealegre Gallegos, MD's MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.