NPPES file of Aug 9, 2026

Lourdes Uy, M.D.

Obstetrics & Gynecology Physician · Leominster, MA

Lourdes Uy, M.D. is an obstetrics & gynecology physician with a practice address in Leominster, Massachusetts, and NPI 1831419829, issued on Jun 2, 2010. Check the license (Massachusetts 264665, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831419829
Name
Lourdes Uy
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
264665 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Hospital RD, Leominster, MA 01453
Phone
(978) 466-4550
Enumerated
Jun 2, 2010
Record last updated
Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(978) 466-4561
Medicaid ID
110098653A MA
Medicare enrollment
Enrolled (PECOS I20151201002298); 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 100 Hospital RD

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

  1. Meagan Baldwin, CNPNurse Practitioner1174346852
  2. Michael Berger, MDObstetrics & Gynecology Physician1609361294
  3. Xiaoming Bi, PA-CPhysician Assistant1205139037
  4. Alison Bird, P.A.Physician Assistant1184636987
  5. Paul Block, MDCardiovascular Disease Physician1003810094
  6. Kelton Burbank, M.D.Orthopaedic Surgery Physician1326050113

Verify Lourdes Uy 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 264665
    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

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85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

24 Medicare Part D claims for 17 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Lourdes Uy24
  2. Specialty average165

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.

The MIPS final score for 2023 (Medicare payment program): 97 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score78.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncLeominster, MA

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

Lourdes Uy among 1,127 obstetrics & gynecology physician records in Massachusetts

Lourdes Uy, M.D. is one of 1,127 obstetrics & gynecology 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 2010, is newer than 68% of them.

  • NPI issued2010 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1989 · median 2004 among the 715 with a school on file
  • Record last updated2020 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Massachusetts

There are 1,127 obstetrics & gynecology physician records in Massachusetts.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Michael Berger, MDLeominster, MA 014531609361294
  2. Bettyann Cirillo, MDLeominster, MA 014531720030794
  3. Elizabeth Darr, MDLeominster, MA 014531265487680
  4. Sridhar Iyer, MDLeominster, MA 014531558374413
  5. Leyla Sahin, MDLeominster, MA 014531285686204
  6. Laura Silk, MDLeominster, MA 014531215945027
  7. Michele Sinopoli, M.D.Leominster, MA 014531750423125
  8. Daniel Terk, MDLeominster, MA 014531518300649

Common questions

What is Lourdes Uy, M.D.'s NPI number?

Lourdes Uy, M.D.'s National Provider Identifier (NPI) is 1831419829, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lourdes Uy, M.D. located?

The NPPES record lists a practice address at 100 Hospital RD, Leominster, MA, 01453. Phone: (978) 466-4550. Providers update this record themselves, so call before visiting.

How can I verify Lourdes Uy, M.D.'s license?

NPPES lists Massachusetts license number 264665, 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.

How much does Lourdes Uy, M.D. prescribe under Medicare Part D?

In 2024, Lourdes Uy, M.D. had 24 Medicare Part D claims for 17 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Lourdes Uy, M.D.'s MIPS final score?

The 2023 MIPS final score is 97 of 100. 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.