Nirmala Lois Monteiro, MD
Internal Medicine Physician · Fairfield, CT
Nirmala Lois Monteiro, MD is an internal medicine physician with a practice address in Fairfield, Connecticut, and NPI 1558346338, issued on Dec 14, 2005. Check the license (Connecticut 026844, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nirmala Lois Monteiro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 026844 CT
Self-reported in NPPES; status is on the state search - Practice location
- 52 Beach Road, Fairfield, CT 06824
- Phone
- (203) 292-6500
- Enumerated
- Dec 14, 2005
- Record last updated
- Jul 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 292-6502
- Medicaid ID
- 001268440 CT
- Entity
- Type 1 · individual
Also registered at 52 Beach Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Subhash Chaddha, MDPediatric Adolescent Medicine Physician1689742488
- John Machledt, MDEndocrinology, Diabetes & Metabolism Physician1154429413
Verify Nirmala Lois Monteiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 026844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
170 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium23 claims
- Amlodipine Besylate17 claims
- Rosuvastatin Calcium16 claims
- Levothyroxine Sodium15 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.
The MIPS final score for 2023 (Medicare payment program): 93.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
36 internal medicine physician records list a practice address in Fairfield
They are 36 of the 1,446 NPPES records with a practice address in Fairfield, and 2,623 internal medicine physician records in Connecticut.
All 36 in Fairfield → All 2,623 in Connecticut → Every provider in Fairfield →
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is Nirmala Lois Monteiro, MD's NPI number?
Nirmala Lois Monteiro, MD's National Provider Identifier (NPI) is 1558346338, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nirmala Lois Monteiro, MD located?
The NPPES record lists a practice address at 52 Beach Road, Fairfield, CT, 06824. Phone: (203) 292-6500. Providers update this record themselves, so call before visiting.
How can I verify Nirmala Lois Monteiro, MD's license?
NPPES lists Connecticut license number 026844, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nirmala Lois Monteiro, MD prescribe under Medicare Part D?
In 2024, Nirmala Lois Monteiro, MD had 170 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nirmala Lois Monteiro, MD's MIPS final score?
The 2023 MIPS final score is 93.3 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.