Dr. Naomi Nomizu, MD
- Medicare services, 2024
- 275
- Medicare patients, 2024
- 167
- Part D claims, 2024
- 150
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Practice address
- 5 Founders St, Willimantic, CT 06226
- Practice phone
- Call (860) 246-2071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group Specialists
Willimantic, Connecticut
Find Dr. Nomizu's 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. Naomi Nomizu is an internist in Willimantic, Connecticut
Dr. Nomizu practices at Hartford Healthcare Medical Group Specialists in Willimantic, Connecticut.
Dr. Nomizu's NPI, 1780681833, was assigned on July 5, 2005. Dr. Nomizu graduated from Warren Alpert Medical School of Brown University in 1980. Dr. Nomizu holds Connecticut license 024726.
- NPI
- 1780681833NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173549599
- NPI enumeration date
- July 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 246-2071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Naomi Nomizu practices at Hartford Healthcare Medical Group Specialists in Willimantic, Connecticut
Dr. Nomizu's primary practice is Hartford Healthcare Medical Group Specialists, at 5 Founders St, Willimantic, CT 06226 in Capitol County. The practice phone is (860) 246-2071.
- Hartford Healthcare Medical Group Specialists5 Founders St, Willimantic, CT 06226 · Capitol CountyPhone(860) 246-2071
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Naomi Nomizu is affiliated with 11 sites of care and 5 medical groups
Dr. Nomizu's primary practice is Hartford Healthcare Medical Group Specialists in Willimantic, Connecticut. Dr. Nomizu is also affiliated with Lawrence + Memorial Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Nomizu to 1 more hospital, 4 group practices and clinics, 4 medical groups, 3 home health agencies and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Naomi Nomizu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nomizu practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group Specialists | Available with a free account |
| +10 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Naomi Nomizu is one of 2,189 internists in Connecticut
Internal medicine is Dr. Nomizu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nomizu is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Nomizu
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. Naomi Nomizu billed Medicare for 275 services in 2024
CMS data shows 275 Medicare services from Dr. Nomizu across 5 procedure codes in 2024, for 167 Medicare patients. Medicare paid $24,877 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nomizu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2002024: 27538%
Dr. Nomizu compared with the Connecticut median for internists, 2024
- Dr. Nomizu
- Connecticut median
- Medicare services
- 275vs 39029% below
- Medicare patients
- 167vs 172Close to median
- Part D claims
- 23vs 34393% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Nomizu'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nomizu and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Naomi Nomizu treated 167 Medicare patients in 2024, average age 77
CMS counts 167 Medicare patients who saw Dr. Nomizu in 2024. The largest group is 75 to 84, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.48, 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. Nomizu's median patient age at 74, with 62% women.
Dr. Nomizu's Medicare patients by age, 2024
Dr. Nomizu's Medicare patients by sex, 2024
- Women9456%
- Men7344%
Chronic conditions among Dr. Nomizu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Heart failure54%
- Anxiety50%
- Mood disorders49%
- Chronic kidney disease47%
- Atrial fibrillation46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nomizu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Naomi Nomizu wrote 150 Medicare Part D claims in 2024
In 2024, Dr. Nomizu wrote 150 Medicare Part D claims for 57 patients. 79% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $7,304 in total drug cost. In 2017, CMS named 41 claims across 2 drugs.
Dr. Nomizu's Part D claims by kind of drug, 2024
- Generic119 claims79%
- Brand-name and other31 claims21%
Dr. Nomizu'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. Nomizu's Part D claims, 2024
- Antibiotics14%21 of 150 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, 2017 to 2024
- 2017
- 2024
- Claims for drugs CMS names
- 2017: 412024: 2344%
Drugs named by CMS: 2 in 2024, 2 in 2017.
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. Naomi Nomizu scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Nomizu for performance year 2024, reported as part of a group. Dr. Nomizu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nomizu's MIPS scores, performance year 2024
- 98of 100Final score
- 90of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 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. Naomi Nomizu received $1,214 in industry payments from 2016 to 2024
CMS Open Payments shows 64 general payments to Dr. Nomizu from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $260.
General payments to Dr. Nomizu by program year, 2016 to 2024
General payments to Dr. Nomizu by kind, 2016 to 2024
- Food and beverage$1,212100%
- Education$30%
Companies that paid Dr. Nomizu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Naomi Nomizu graduated from Warren Alpert Medical School of Brown University
Dr. Nomizu graduated from Warren Alpert Medical School of Brown University in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Naomi Nomizu'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 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. Naomi Nomizu
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. Naomi Nomizu's NPI number?
Dr. Naomi Nomizu's NPI number is 1780681833. It was assigned on July 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Naomi Nomizu?
Dr. Naomi Nomizu is an internist in Willimantic, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Naomi Nomizu practice?
Dr. Nomizu practices at 5 Founders St, Willimantic, CT 06226. Dr. Nomizu's primary practice is Hartford Healthcare Medical Group Specialists in Willimantic, Connecticut. Dmand AI also links Dr. Nomizu to 1 hospital, 4 group practices and clinics, 4 medical groups, 3 home health agencies and 1 hospice.
What is Dr. Naomi Nomizu's office phone number?
The practice phone on file for Dr. Nomizu is (860) 246-2071.
What is Dr. Naomi Nomizu's medical license number?
Dr. Nomizu holds Connecticut license 024726.
Which hospitals is Dr. Naomi Nomizu affiliated with?
Dr. Nomizu is affiliated with Lawrence + Memorial Hospital. Dmand AI links Dr. Nomizu to 1 more hospital.
What medical group is Dr. Naomi Nomizu part of?
Dr. Nomizu is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Nomizu to 4 more medical groups.
Does Dr. Naomi Nomizu accept Medicare?
Yes. CMS data shows Dr. Nomizu billed Medicare for 275 services in 2024, and Dr. Nomizu accepts Medicare assignment.
What is Dr. Naomi Nomizu's MIPS score?
Dr. Nomizu's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Dr. Naomi Nomizu see?
CMS counts 167 Medicare patients who saw Dr. Nomizu in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Naomi Nomizu bill to Medicare?
In 2024, Dr. Nomizu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Naomi Nomizu go to medical school?
Dr. Nomizu graduated from Warren Alpert Medical School of Brown University in 1980.
What drugs does Dr. Naomi Nomizu prescribe most?
In 2024 Medicare Part D data, Dr. Nomizu's most prescribed drugs by claims were Eliquis and Prednisone.
Has Dr. Naomi Nomizu received payments from drug or device companies?
CMS Open Payments shows $1,214 in general payments to Dr. Nomizu from 17 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Naomi Nomizu been practicing?
Dr. Nomizu graduated from medical school in 1980, 46 years ago.
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