Carissa Monterroso, M.D.
Internal Medicine Physician · Farmington, CT
Carissa Monterroso, M.D. is an internal medicine physician with a practice address in Farmington, Connecticut, and NPI 1639598154, issued on Apr 11, 2014. Check the license (Connecticut 063742, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Carissa Monterroso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 063742 CT
63742 CT
Self-reported in NPPES; status is on the state search - Practice location
- 263 Farmington Ave, Farmington, CT 06032
- Phone
- (866) 679-4477
- Enumerated
- Apr 11, 2014
- Record last updated
- Aug 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191212002304); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 263 Farmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alejandro Bautista, CRNACertified Registered Nurse Anesthetist1356819239
- Nicole Bernskoetter, DOStudent in an Organized Health Care Education/Training Program1275153207
- David Bowers, MDInternal Medicine Physician1013470418
Verify Carissa Monterroso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 063742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,467 Medicare Part D claims for 447 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Albuterol Sulfate Hfa457 claims
- Trelegy Ellipta273 claims
- Montelukast Sodium250 claims
- Prednisone205 claims
- Anoro Ellipta172 claims
- Breo Ellipta144 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 practice group's MIPS final score for 2023 (Medicare payment program): 92.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $41.00
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Midstate Medical CenterMeriden, CT · Acute Care Hospitals4 of 5 stars
- Hartford Healthcare Medical Group Specialists PLLCSouthington, CT
- The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Carissa Monterroso among 2,623 internal medicine physician records in Connecticut
Carissa Monterroso, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 1,646 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 internal medicine physician records list a practice address in Farmington
They are 117 of the 2,993 NPPES records with a practice address in Farmington, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Farmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Denes Balazs, MDFarmington, CT 060321982610192
- Joseph Brenes, M.D.Farmington, CT 060321467590703
- Laura Brenes, MDFarmington, CT 060321174795371
- Kyung Chung, MDFarmington, CT 060321477657088
- Edward Clerkin, M.D.Farmington, CT 060321518999622
- Karl Dauphinais, M.D.Farmington, CT 060321548467897
- Roger El-Hachem, M.D.Farmington, CT 060321700834959
- Paul Guardino, MDFarmington, CT 060321174531172
Common questions
What is Carissa Monterroso, M.D.'s NPI number?
Carissa Monterroso, M.D.'s National Provider Identifier (NPI) is 1639598154, issued on Apr 11, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Carissa Monterroso, M.D. located?
The NPPES record lists a practice address at 263 Farmington Ave, Farmington, CT, 06032. Phone: (866) 679-4477. Providers update this record themselves, so call before visiting.
How can I verify Carissa Monterroso, M.D.'s license?
NPPES lists Connecticut license number 063742, 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 Carissa Monterroso, M.D. prescribe under Medicare Part D?
In 2024, Carissa Monterroso, M.D. had 2,467 Medicare Part D claims for 447 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Carissa Monterroso, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.6 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.