Dr. Nirmala Lois Monteiro, MD
- Medicare services, 2023
- 245
- Part D claims, 2024
- 170
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $870
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Monteiro's professional email, personal email and mobile number
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Dr. Nirmala Lois Monteiro is an internist in Boston, Massachusetts
Dr. Monteiro practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Monteiro's NPI, 1558346338, was assigned on December 14, 2005. Dr. Monteiro graduated from St. John's Medical College in 1982. Dr. Monteiro holds Connecticut license 026844.
- NPI
- 1558346338NPI Registry (opens in a new tab)
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nirmala Lois Monteiro practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Monteiro's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Nirmala Lois Monteiro is affiliated with 4 sites of care and 1 medical group
Dr. Monteiro's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Northeast Medical Group. Dmand AI also links Dr. Monteiro to 1 more community health center, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nirmala Lois Monteiro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Monteiro practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nirmala Lois Monteiro is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Monteiro's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Monteiro is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Monteiro
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nirmala Lois Monteiro billed Medicare for 245 services in 2023
CMS data shows 245 Medicare services from Dr. Monteiro across 5 procedure codes in 2023. Medicare paid $24,125 for them. Every service was in an office.
Dr. Monteiro's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2152023: 13836%
- Other services
- 2022: 992023: 8811%
- Tests and treatments
- 2022: 162023: 1919%
Dr. Monteiro compared with the Massachusetts median for internists, 2023
- Dr. Monteiro
- Massachusetts median
- Medicare services
- 245vs 43143% below
- Part D claims
- 71vs 40282% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Monteiro's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nirmala Lois Monteiro's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Monteiro's median patient age at 67, with 71% women.
Dr. Monteiro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women71%
- Men28%
Source: Dmand AI Patient Panel Data
Dr. Nirmala Lois Monteiro wrote 170 Medicare Part D claims in 2024
In 2024, Dr. Monteiro wrote 170 Medicare Part D claims for 79 patients. 95% of them were for generic drugs. CMS names the drug for 71 of them, across 4 drugs with 11 or more claims each, at $656 in total drug cost. In 2023, CMS named 1,307 claims across 30 drugs.
Dr. Monteiro's Part D claims by kind of drug, 2024
- Generic161 claims95%
- Brand-name and other9 claims5%
Dr. Monteiro's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,3072024: 7195%
Drugs named by CMS: 4 in 2024, 30 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nirmala Lois Monteiro scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Monteiro for performance year 2024, reported through an alternative payment model (APM).
Dr. Monteiro's MIPS scores, performance year 2024
- 100of 100Final score
- 86.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nirmala Lois Monteiro received $870 in industry payments from 2016 to 2017
CMS Open Payments shows 56 general payments to Dr. Monteiro from 14 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $165.
General payments to Dr. Monteiro by program year, 2016 to 2017
Companies that paid Dr. Monteiro the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nirmala Lois Monteiro graduated from St. John's Medical College
Dr. Monteiro graduated from St. John's Medical College in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nirmala Lois Monteiro's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nirmala Lois Monteiro
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nirmala Lois Monteiro's NPI number?
Dr. Nirmala Lois Monteiro's NPI number is 1558346338. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Nirmala Lois Monteiro?
Dr. Nirmala Lois Monteiro is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nirmala Lois Monteiro practice?
Dr. Monteiro practices at 55 Fruit Street, Boston, MA 02114. Dr. Monteiro's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Monteiro to 1 community health center, 1 physician office and 1 group practice or clinic.
What is Dr. Nirmala Lois Monteiro's office phone number?
The practice phone on file for Dr. Monteiro is (617) 726-2000.
What is Dr. Nirmala Lois Monteiro's medical license number?
Dr. Monteiro holds Connecticut license 026844.
Which hospitals is Dr. Nirmala Lois Monteiro affiliated with?
Dr. Monteiro practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Nirmala Lois Monteiro part of?
Dr. Monteiro is linked to Northeast Medical Group.
Does Dr. Nirmala Lois Monteiro accept Medicare?
Yes. CMS data shows Dr. Monteiro billed Medicare for 245 services in 2023.
What is Dr. Nirmala Lois Monteiro's MIPS score?
Dr. Monteiro's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
What services does Dr. Nirmala Lois Monteiro bill to Medicare?
In 2023, Dr. Monteiro's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
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Where did Dr. Nirmala Lois Monteiro go to medical school?
Dr. Monteiro graduated from St. John's Medical College in 1982.
What drugs does Dr. Nirmala Lois Monteiro prescribe most?
In 2024 Medicare Part D data, Dr. Monteiro's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Nirmala Lois Monteiro received payments from drug or device companies?
CMS Open Payments shows $870 in general payments to Dr. Monteiro from 14 companies from 2016 to 2017. The largest total came from Amgen Inc.
How long has Dr. Nirmala Lois Monteiro been practicing?
Dr. Monteiro graduated from medical school in 1982, 44 years ago.
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