Dr. Sunaina Dias, DO
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 664
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 34 Maple St, Norwalk, CT 06850
- Practice phone
- Call (203) 852-2216
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norwalk Hospital
Norwalk, Connecticut
Find Dr. Dias' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sunaina Dias is an internist in Norwalk, Connecticut
Dr. Dias practices at Norwalk Hospital in Norwalk, Connecticut.
Dr. Dias' NPI, 1043831795, was assigned on May 5, 2020. Dr. Dias graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2020. Dr. Dias holds New York license 323646.
- NPI
- 1043831795NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052767373
- NPI enumeration date
- May 5, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 852-2216
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sunaina Dias practices at Norwalk Hospital in Norwalk, Connecticut
Dr. Dias' primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2216.
- Norwalk Hospital34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2216
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sunaina Dias is affiliated with 3 sites of care and 1 medical group
Dr. Dias' primary practice is Norwalk Hospital in Norwalk, Connecticut. Dr. Dias is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Dias to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sunaina Dias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dias practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norwalk Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sunaina Dias is one of 2,189 internists in Connecticut
Internal medicine is Dr. Dias' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dias is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Dias
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. Sunaina Dias billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Dr. Dias across 2 procedure codes in 2024, all of them office visits, for 67 Medicare patients. Medicare paid $6,174 for them. Every service was in an office.
Dr. Dias' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 252024: 70180%
Dr. Dias compared with the Connecticut median for internists, 2024
- Dr. Dias
- Connecticut median
- Medicare services
- 70vs 39082% below
- Medicare patients
- 67vs 17261% below
- Part D claims
- 318vs 3437% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Dias' 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.
Need commercial claims for Dr. Dias?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dias and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sunaina Dias treated 67 Medicare patients in 2024, average age 71
CMS counts 67 Medicare patients who saw Dr. Dias in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.13, 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. Dias' median patient age at 79, with 44% women.
Dr. Dias' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dias' Medicare patients by sex, 2024
- Women3552%
- Men3248%
Chronic conditions among Dr. Dias' Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Ischemic heart disease43%
- Arthritis37%
- Heart failure34%
- Atrial fibrillation33%
- Diabetes33%
- COPD30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sunaina Dias wrote 664 Medicare Part D claims in 2024
In 2024, Dr. Dias wrote 664 Medicare Part D claims for 124 patients. 83% of them were for generic drugs. CMS names the drug for 318 of them, across 16 drugs with 11 or more claims each, at $20,501 in total drug cost. In 2023, CMS named 14 claims across 1 drug.
Dr. Dias' Part D claims by kind of drug, 2024
- Generic554 claims83%
- Brand-name and other110 claims17%
Dr. Dias' 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. Dias' Part D claims, 2024
- Antibiotics3%23 of 664 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: 142024: 3182171%
Drugs named by CMS: 16 in 2024, 1 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
How Dr. Sunaina Dias takes part in Medicare
Dr. Dias accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sunaina Dias has 1 publication on record
Dmand AI links 1 paper to Dr. Dias. Dr. Dias' most frequent co-author is Emma Fattakhov, MD.
Dr. Dias' most frequent co-authors
Recent publications by Dr. Dias
See who Dr. Dias researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dias works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sunaina Dias received $244 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Dias from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $125.
General payments to Dr. Dias by program year, 2024 to 2025
Companies that paid Dr. Dias the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sunaina Dias graduated from Lake Erie College of Osteopathic Medicine - Seton Hill
Dr. Dias graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sunaina Dias'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sunaina Dias
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. Sunaina Dias' NPI number?
Dr. Sunaina Dias' NPI number is 1043831795. It was assigned on May 5, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Sunaina Dias?
Dr. Sunaina Dias is an internist in Norwalk, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sunaina Dias practice?
Dr. Dias practices at 34 Maple St, Norwalk, CT 06850. Dr. Dias' primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Dias to 1 group practice or clinic.
What is Dr. Sunaina Dias' office phone number?
The practice phone on file for Dr. Dias is (203) 852-2216.
What is Dr. Sunaina Dias' medical license number?
Dr. Dias holds New York license 323646.
Which hospitals is Dr. Sunaina Dias affiliated with?
Dr. Dias is affiliated with Norwalk Hospital.
What medical group is Dr. Sunaina Dias part of?
Dr. Dias is linked to Danbury Medical Group.
Does Dr. Sunaina Dias accept Medicare?
Yes. CMS data shows Dr. Dias billed Medicare for 70 services in 2024, and Dr. Dias accepts Medicare assignment.
How many Medicare patients does Dr. Sunaina Dias see?
CMS counts 67 Medicare patients who saw Dr. Dias in 2024, with an average age of 71.
What services does Dr. Sunaina Dias bill to Medicare?
In 2024, Dr. Dias' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. Sunaina Dias go to medical school?
Dr. Dias graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2020.
What drugs does Dr. Sunaina Dias prescribe most?
In 2024 Medicare Part D data, Dr. Dias' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Albuterol Sulfate Hfa.
Has Dr. Sunaina Dias received payments from drug or device companies?
CMS Open Payments shows $244 in general payments to Dr. Dias from 3 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Sunaina Dias been practicing?
Dr. Dias graduated from medical school in 2020, 6 years ago.
Does Dr. Sunaina Dias do research?
Dmand AI links 1 publication to Dr. Dias.
Who does Dr. Sunaina Dias publish with?
Dr. Dias' most frequent co-authors are Emma Fattakhov, MD (1 shared paper).
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