Dr. Mildred Diloris Rivera, MD
- Medicare services, 2024
- 711
- Medicare patients, 2024
- 249
- Part D claims, 2024
- 482
- MIPS score, 2024
- 88
- Hospital affiliations
- 3
- Practice address
- 540 Litchfield St, Torrington, CT 06790
- Practice phone
- Call (860) 496-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rivera's professional email, personal email and mobile number
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Dr. Mildred Diloris Rivera is an internist in Torrington, Connecticut
Dr. Rivera practices at Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare.
Dr. Rivera's NPI, 1770089237, was assigned on April 3, 2018. Dr. Rivera graduated from Universidad Central del Este Facultad de Medicina in 2016. Dr. Rivera holds Connecticut license 68139.
- NPI
- 1770089237NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799033528
- NPI enumeration date
- April 3, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 496-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mildred Diloris Rivera practices at Charlotte Hungerford Hospital in Torrington, Connecticut
Dr. Rivera's primary practice is Charlotte Hungerford Hospital, at 540 Litchfield St, Torrington, CT 06790 in Litchfield County. The practice phone is (860) 496-6666.
- Charlotte Hungerford Hospital540 Litchfield St, Torrington, CT 06790 · Litchfield CountyPhone(860) 496-6666
Source: Dmand AI Affiliation Data
Dr. Mildred Diloris Rivera is affiliated with 4 sites of care and 1 medical group
Dr. Rivera's primary practice is Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare. Dr. Rivera is also affiliated with Hartford Hospital. The medical group on file is Charlotte Hungerford Hospital. Dmand AI also links Dr. Rivera to 1 more hospital and 1 hospice, 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. Mildred Diloris Rivera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charlotte Hungerford 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. Mildred Diloris Rivera is one of 2,189 internists in Connecticut
Internal medicine is Dr. Rivera's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rivera is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Rivera
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. Mildred Diloris Rivera billed Medicare for 711 services in 2024
CMS data shows 711 Medicare services from Dr. Rivera across 5 procedure codes in 2024, for 249 Medicare patients. Medicare paid $51,483 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rivera's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7642024: 7117%
Dr. Rivera compared with the Connecticut median for internists, 2024
- Dr. Rivera
- Connecticut median
- Medicare services
- 711vs 39082% above
- Medicare patients
- 249vs 17245% above
- Part D claims
- 166vs 34352% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Rivera's most billed Medicare procedure codes, 2024
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. Mildred Diloris Rivera treated 249 Medicare patients in 2024, average age 76
CMS counts 249 Medicare patients who saw Dr. Rivera in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Rivera's median patient age at 66, with 49% women.
Dr. Rivera's Medicare patients by age, 2024
Dr. Rivera's Medicare patients by sex, 2024
- Women12550%
- Men12450%
Chronic conditions among Dr. Rivera's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Mood disorders53%
- Anxiety52%
- Ischemic heart disease50%
- Heart failure48%
- Chronic kidney disease47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rivera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mildred Diloris Rivera wrote 482 Medicare Part D claims in 2024
In 2024, Dr. Rivera wrote 482 Medicare Part D claims for 192 patients. 85% of them were for generic drugs. CMS names the drug for 166 of them, across 8 drugs with 11 or more claims each, at $1,389 in total drug cost. In 2023, CMS named 185 claims across 9 drugs.
Dr. Rivera's Part D claims by kind of drug, 2024
- Generic411 claims85%
- Brand-name and other71 claims15%
Dr. Rivera'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.
Drug classes CMS tracks in Dr. Rivera's Part D claims, 2024
- Opioids7%35 of 482 claims
- Antibiotics21%99 of 482 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1852024: 16610%
Drugs named by CMS: 8 in 2024, 9 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. Mildred Diloris Rivera scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Rivera for performance year 2024, reported as part of a group. Dr. Rivera accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Rivera's MIPS scores, performance year 2024
- 88of 100Final score
- 70.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mildred Diloris Rivera received $28 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Rivera from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $28.
Companies that paid Dr. Rivera the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mildred Diloris Rivera graduated from Universidad Central del Este Facultad de Medicina
Dr. Rivera graduated from Universidad Central del Este Facultad de Medicina in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mildred Diloris Rivera'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)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. Mildred Diloris Rivera
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. Mildred Diloris Rivera's NPI number?
Dr. Mildred Diloris Rivera's NPI number is 1770089237. It was assigned on April 3, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Mildred Diloris Rivera?
Dr. Mildred Diloris Rivera is an internist in Torrington, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mildred Diloris Rivera practice?
Dr. Rivera practices at 540 Litchfield St, Torrington, CT 06790. Dr. Rivera's primary practice is Charlotte Hungerford Hospital in Torrington, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Rivera to 1 hospital and 1 hospice.
What is Dr. Mildred Diloris Rivera's office phone number?
The practice phone on file for Dr. Rivera is (860) 496-6666.
What is Dr. Mildred Diloris Rivera's medical license number?
Dr. Rivera holds Connecticut license 68139.
Which hospitals is Dr. Mildred Diloris Rivera affiliated with?
Dr. Rivera practices at Charlotte Hungerford Hospital in Torrington, Connecticut. Dr. Rivera is also affiliated with Hartford Hospital. Dmand AI links Dr. Rivera to 1 more hospital.
What medical group is Dr. Mildred Diloris Rivera part of?
Dr. Rivera is linked to Charlotte Hungerford Hospital.
Does Dr. Mildred Diloris Rivera accept Medicare?
Yes. CMS data shows Dr. Rivera billed Medicare for 711 services in 2024, and Dr. Rivera accepts Medicare assignment.
What is Dr. Mildred Diloris Rivera's MIPS score?
Dr. Rivera's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mildred Diloris Rivera see?
CMS counts 249 Medicare patients who saw Dr. Rivera in 2024, with an average age of 76.
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What services does Dr. Mildred Diloris Rivera bill to Medicare?
In 2024, Dr. Rivera's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99231).
Where did Dr. Mildred Diloris Rivera go to medical school?
Dr. Rivera graduated from Universidad Central del Este Facultad de Medicina in 2016.
What drugs does Dr. Mildred Diloris Rivera prescribe most?
In 2024 Medicare Part D data, Dr. Rivera's most prescribed drugs by claims were Prednisone, Cefpodoxime Proxetil and Oxycodone HCl.
Has Dr. Mildred Diloris Rivera received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Rivera from 1 company from 2024 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Mildred Diloris Rivera been practicing?
Dr. Rivera graduated from medical school in 2016, 10 years ago.
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